"... In PAGE 12: ... In a series of Maryland tests conducted from 1976 to 1979 at three locations, ammonium nitrate resulted in the highest and urea the lowest average no- tillage corn yields (2). Yields from UAN solution were intermediate betweenammonium nitrate and urea ( Table4 ). Calculated response curves fitted to a summation of this data covering 12 location- years estimated that at the 160 lb N/A rate, urea utilization by no- tillage corn was 61% as efficient as amrmnium nitrate and 80% as efficient as UAN.... In PAGE 53: ...86 121 2430 3.76 91 Corn yield ( Table4 ) at both locations was good. Judging from the 0 N rate at both locations, soybeans preceedinc corn will provide as much N to the corn as a winter legume.... In PAGE 54: ...----- -46- Table4 . Corn grain yield as affected by previous crops and sidedress N.... In PAGE 80: ... Joseph) X x Rice X X Rice X X X Southeast X X X Southeast X c=corn, fs=forage sorghum, gs=grain sorghum, r=rice, s=soybean. Table4 . Mean effect of seeding method, averaged vet 1979-1985.... In PAGE 89: ...--- -81- cover in nonsubsoiled plots. Data are summarized in Table4 (4). Table 4.... In PAGE 129: ...--- 121 Table4 Plant height averaged across four seed lots in four tillage systems and three planting dates in 1982 and 1984. Sampling Dates Tillage Planting System Date 1 2 3----------- 1 3 CONV 1 54 125 241 61 249 2 53 141 239 253 3 49 129 252 253 CSNT 1 52 125 261 51 252 2 52 143 254 64 245 3 43 139 219 55 1 39 94 241 68 257 2 53 99 243 218 3 54 121 213 261 TFNT 1 52 129 215 85 289 2 59 128 269 93 296 3 51 152 286 212 LSD 0.... ..."

"... In PAGE 13: ...pecies in N recovery and were 108.8 and 79.8% ,respective ly, effective in litter applied N recovery at the 8-ton/A rate. Nitrate-N concentrations in soil water under study plots receiving zero poultry litter resulted in mean NO3-N con centrations that were generally lower than for the 4- and 8-ton/A application rates ( Table3 ). Mean NO3-N soil water concentrationsat the 18-inchdepth were usually lower in May 1994than in December of the same year.... In PAGE 13: ... Higher mean NO3-N concentrations were detected in soil water collected with the addition of poultry litter at the 4- and 8-ton/A ap plication rates. Table3 . Effect of variable poultry litter rates applied to various grass species on soil moisture N03-N concentrations (ppm).... In PAGE 17: ... Table3 . Soil Test1 Results for Various Tillage, Cover Crops, and Depths in the Fall of 1994.... In PAGE 20: ... Small plots of early grain sorghum were heavily damaged by birds. Table3 . Total income (TINC), total expenses (TEXP), and total returns above expenses (TRET) for the 11 crop systems.... In PAGE 21: ...08 for conventionally produced doublecropped wheat- soybeans to a low of $57.64 ( Table3 and 4) for no-till con tinuous soybeans. Of the crop rotation systems, the wheat- soybeans continuous doublecropped systems, regardless of tillage practice and stubble management, produced the lar gest net returns.... In PAGE 23: ... Mulched YWC treatments consistently had greater amounts of stored soil water compared to the incorporated YWC treatments (Gal laher and McSorley, 1994b). Squash yield was greater at the Green Acres Agronomy Farm than at the Haufler farm ( Table3 ). This was likely Table 3.... In PAGE 23: ... Squash yield was greater at the Green Acres Agronomy Farm than at the Haufler farm (Table 3). This was likely Table3 . Cumulative total squash yield from application of 269 Mg/ha yard waste compost treatments.... In PAGE 27: ... Even the herbicide treatment had some weeds that may have been controlled with a second application of the same herbicide. Table3 . No-tillage tobacco plant N content from weed control and sumlemental N treatments, Florida 1994.... In PAGE 30: ...01, respectively; ns = not significant. Table3 . Effects of tillage and lime rate on population densities of stubbyroot nematodes (Paratrichodorusminor) at planting and harvest of soybeans.... In PAGE 38: ... Control ratings were made 8 WAT. Tall Giant Smooth Year Fescue Foxtail Pigweed (% control) 1978 100 82 88 1979 95 100 100 1980 100 100 100 1981 100 92 100 Table3 . Tall fescue, giant foxtail, and smooth pigweed control over a multi-year period with Atrazine 4L at 1.... In PAGE 38: ... Greater than 80%control of all species can be expected (Table 2). A combination of atrazine, Princep, and Gramoxone Extra controlled these species similar to atra zine plus Gramoxone Extra ( Table3 ). The primary advan tage of Princep was that it added a longer duration of giant foxtail control.... In PAGE 45: ... Joseph, there were no significant interactions among treat ments for grain yield. Table3 . Influence of tillage, cover crop, and N rate on corn grain yield, plants per acre (PPA), ears per acre (EPA), kernel weight, and kernels per ear on Gigger silt loam at Winnsboro in 1993.... In PAGE 52: ...O5). Table3 . Sweetpotato yields by cover crop and tillage, 1992-1993.... In PAGE 52: ... No modification had been done to the transplanter to adapt it to NT use. No significantdifferences were found between cover crops and tillage for sweetpotatoyields (50 pounds per bushel) in any year ( Table3 ). In a North Carolina study, NT potatoes (species not specified) with cover crops produced yields equal to or higher than the state average (Hoyt, 1984).... In PAGE 55: ... Yields for 1994 were higher on the Vaiden soil than the Leeper soil, possibly because of less surface drainage on the Leeper than Vaiden site. Corn Both Leeper and Vaiden silty clay corn yields for 1993-1994 are presented in Table3 . The Vaiden soil in 1993 for raised- bed systems of continuous CTB and RTl corn, and rotation of RT2 soybeans followed by RTl corn showed no yield differ ence.... In PAGE 56: ...Table3 . Tillage and crop rotation effect on corn yield on Vaiden silty clay and Leeper silty clay soils, Prairie and Verona, MS 1993-1994.... In PAGE 62: ... Non- linear characteristics indicate that sorption decreased as ini tial herbicide concentration increased. Sorption to Cover Crop Material and Soil Herbicide sorption was greatest in the rye and lowest in soil ( Table3 ). The surface area and number of sorption sites of the plant residues were likely greater than that of the soil, but little is known about the reactivity of herbicides with func tional groups in decayed plant material.... In PAGE 63: ...Table3 . Freundlich parameters describing fluometuron sorp tion in rye.... In PAGE 67: ...21%and 20%GRCafter planting April 14, 1993 and April 10, 1994. Soybeans Prairie Winter VCC development in the soybean treatments was slow and very similar to corn until February, and then increased dramatically from March through April, reaching 67% VCC in continuous NT beans and 86% VCC in MT wheat in April 1993, and 91 and 99% VCC in April 1994, respectively, ( Table3 ). The RT1 corn followed by RT2 soy- beans showed less VCC cover than continuous RT2 and NT soybean March 8, 1993and April 12, 1993, and Feb.... In PAGE 68: ...g. Exp. Sta., 1978). Early crop stage development will be noted during GRC and VC data collection. Table3 . Effect of soybean rotation and tillage on winter vegetation canopy cover and ground residue cover on a Vaiden silty clay from October 1992 through May 1994 at the MAFES Prairie Research Unit, Prairie, MS.... In PAGE 71: ...six studies were conducted in old pasture sites ( Table3 ). All of the NT plots were infested to some degree with ber mudagrass and johnsongrass.... In PAGE 71: ... Site selection influence on yield performance of soy- bean tillage trials at NMBES from 1978 to 1987. Site selection of trials Tillage 2-6% Noneroded Eroded slow site site Table3 . Summary of previous cropping history influence on soybean tillage trials conducted at the NMBES from 1978 to 1987.... In PAGE 76: ... Under dryland conditions, a significant pre-plant tillage-by-year interaction was found on the silt loam soil but no interaction was measured on the silty clay. Three-year average economic returns for each treatment combination are presented in Table3 . Production costs gener ally increase as tillage inputs increase.... In PAGE 76: ... On a silt loam soil, pre-plant tillage usually was the most profitable practice, (Table 4). In 1993, an extremely dry year, one trip with a disk and Do-All increased profits dramatical based on 3 Table3 . Economic -year average yield esti mated for various tillage regimes for soybeans.... In PAGE 80: ...Table3 . Amount and source of water collected 4 months from sprayed on the field from one 2-week period to the next.... In PAGE 80: ...22 17 24 *See code identity in Table 2. **Amounts = total water received ( Table3 ); concentrations determined from rain gauges. Table 5.... In PAGE 81: ... Dairies, such as AL and SHI, reused lagoon and pond water for cleaning dairy facili ties, which is the likely reason for higher levels of N in sam ples from these locations (Table 5). Based on the total effluent applied to sprayfields ( Table3 ) N estimates based on pond and lagoon effluent analysis were made (Tables 6, 7 and 8). Again, the results were extremely site-specific and compared somewhat favorably with field measurements for some dairies but not so well for others (Table 4).... In PAGE 81: ...iltered effluent ranged from 0.7 lb/acre-inch to 5.9 lb/acre inch (Table 5) and was 9% to 69% of unfiltered P (Table 5), indicating high levels of solids in the effluent. Based on effluent applied ( Table3 ), estimated P applied based on lagoon and pond analysis (Table 4) by some dairies would have been as much as 111 lb P/acre in a 4-month peri od.If 70% of this unfiltered P were available to growing crops (Killorn, 1993) then some dairies still applied slightly more P than typical forage crops would have required (Table 1) (Mitchell and Gallaher, 1979; Gallaher, et al.... In PAGE 81: ...05 16 5 *See code identity in Table 2. ** Amounts = Total water applications ( Table3 ) - concentrations deter mined in storage ponds. Table 7.... In PAGE 85: ... This response pattern is due in part to a greater poten tial for N losses between manure application and corn planting. Profile soil nitrate levels were generally higher where fer tilizer N was used, especially under chisel plow soil manage ment in experiment I ( Table3 ). Prior spring manure applications did not raise soil nitrate levels at this time.... In PAGE 85: ...3b *Meanswithina sub-column followedby the sameletter are not significantly different at the 90% level of confidence by the LSD method. Table3 . Soil profile (0 to 3 ft) nitrate prior to, and after, the 1993 growing season.... In PAGE 85: ...3a *Means within a sub-column followed by the same letter are not signifi cantly different at the 90% level of confidence by the LSD method. greater where fertilizer N was used, again especially after chisel plowing ( Table3 ). Spring manure applicationsraised soil profile nitrate levels only when no fertilizer N was used.... In PAGE 85: ... This occurred despite the fact that much more manure N was applied. Spring manure applica tion also increased soil profile nitrate in experiment 11, but fall manure application did not ( Table3 ). Profile nitrate was generally greater after corn harvest than prior to corn plant ing.... In PAGE 85: ... The fraction of fertilizer and manure N ac counted for in these changes in soil profile nitrate was gener ally small (less than 10%). Apparent losses of nitrate from the soil profile between November 1993 and April 19994were between 1 and 29 lb N/A in experiment I ( Table3 ). In experiment11, plots receiv ing fall manure in November, 1993(Table 1) evidenced gains of 12-14 lb N/A in profile nitrate over this period.... In PAGE 86: ... Ex cept for the first period, fertilizer N generally raised water nitrate concentrations more than manure application. This observation supports a similar trend reported for profile soil nitrate levels ( Table3 , above). Leachate nitrate concentra tions tended to be lowest in the second period (Table 4), when the crop was most actively utilizing N.... In PAGE 86: ... greater water and nitrogen use by the growing crop. In experiment I, nitrate leaching losses measured in water collected during periods 3 and 4 were generally greater than losses apparent due to changes in profile soil nitrate over the sameperiod ( Table3 ). This suggeststhat some miner alization was generally occurring over the winter months.... In PAGE 100: ... Monthly rainfall totals are shown in Table 2 for the two growing seasons. Cotton Yields Long-term no-tillage cotton following wheat cover yield ed 53% greater than long-term conventional tillage in 1993 ( Table3 ). Yields of first-year no-tillage treatments equalled conventional, regardless of cover crop or rotation.... In PAGE 100: ...84 0.37 Table3 . Yield of DES 119 cotton as influenced by tillage and rotation, 1993 and 1994.... ..."

"... In PAGE 12: ... It was assumed that the producer would keep the existing tractor for use in the no-till system. Costs and returns resulting from this switch to reduced tillage or no-till are summarized in Table2 . As was the case with the beginning farmer, the no-till system proved to be the most profitable with a net return per acre of $28.... In PAGE 12: ... Net Cash Flow Based on the results of this tillage analysis, we would have to conclude that many farmers in Kentucky are not using the most profitable tillage system available. Perhaps they simply Table2 . Crop production budgets after change to reduce/no-till production systems.... In PAGE 16: ...fields. More significant, however, was our discovery (Minser and Dimmick 1988)that conventionallytilled fields associated with good surrounding habitat yielded bobwhite densities equivalent to no-till fields when fall plowing was not prac ticed ( Table2 ). Lowest densities occurred on conventionally managed farmland where crop lands were turned in autumn.... In PAGE 16: ... 1983). Table2 . Bobwhite quail population densities*on no-till and con ventionally planted areas on Ames Plantation, TN, December 1983-85 (Minser and Dimmick 1988).... In PAGE 19: ...Table2 . Growing season rainfall at Muscle Shoals, AL.... In PAGE 21: ... Table 1 depicts the required tillage distribution of land in Classes IIe, IIIe, and IVe. Estimated Tillage Change To determine possible changes in tillage brought about by the FSA, we compared our estimated tillage requirements to current tillage use (as reported by the 1986 Conservation Tillage Information Center Tillage Survey ( Table2 ). Actual Table 1.... In PAGE 22: ...reduced tillage. Table2 shows the average tillage change calculated for selected geographical extension areas across the state and also shows counties with extremes in each area. Figure 1 shows the location of the areas within the state.... In PAGE 22: ...e.underestimated. The Adjusted Estimate (B) appears to bet ter reflect the situation in central and eastern Kentucky. For Table2 . Estimated impact of the 1985 Food SecurityAct on tillage use for cultivatedcropland in selected areasand countiesin Kentucky.... In PAGE 25: ... Under both irrigated and dryland conditions at Lub bock, the fallow-cotton rotation produced the lowest yields of the conservation tillage systems compared. At the sandyland site near Wellman, overall dryland cot- ton yields were higher than at Lubbock ( Table2 ). The ter minated wheat-cotton and sorghum-cottonconservation tillage rotations produced significantly higher yields than the con ventional cotton production system.... In PAGE 25: ... In continuous cotton, highest cotton yields resulted with the minimum tillage system. In comparing the highest yielding conservation tillage system (sorghum-cotton) to conventional tillage cotton, Table2 . Cotton yield and value, production costs, and relative profitability for cropping systems at Wellman.... In PAGE 38: ...Table2 . Effect of crop and tillage on organic carbon percent- age in November, 1987.... In PAGE 38: ... Cone index averaged over all positions tended to be lower in grain sorghum compared to soybean. Organic carbon levels were slightly higher in grain sorghum compared to soybean under CT ( Table2 ) and this was probably due to the higher levels of residue which were being incorporated into the soil. Discussion The compacted layer at 6 to 12 inches in this study is a common feature of soils of the Southern Piedmont.... In PAGE 40: ...Table2 . Shoot weight, nitrogen uptake and average cone index 2 months after planting and wheat yield.... In PAGE 40: ... The paraplow greatly reduced soil compaction, especially in the E horizon or hardpan area. Results of the analysis of variance on cone index values averaged over depths of 8 to 11inches showed a significant difference between paraplow and disk plots ( Table2 ). Also, there was a significant difference be- tween chiseled plots planted with the Clemson interseeder and grain drill.... In PAGE 41: ... The amount of roots in the B horizon depends on the hardness of this compacted layer. Deep tillage increased nitrogen uptake by the wheat plant ( Table2 ). This resulted in a forage with higher protein con- tent for winter grazing.... In PAGE 44: ... At the Wiregrass Substation, corn grain yields in 1985 (Table 5) were not greatly affected by cropping systems when N was at optimum levels (180, 180, 180, and 120 lb/acre for the cropping systems, respectively). It appears that the soybean-reseeded clover system, but not the clover only or Table2 . Clover weight and Ncontent as affected by previous crop at Wiregrass Substation.... In PAGE 47: ...223 1987 Conventional + subsoiling 31 628 2,610 4,266 16,196 No-till + subsoiling 29 575 2,507 4,828 14,761 No-till 20 367 1,394 3,435 16,608 LSD (0.10) 7 92 356 578 2,090 Table2 . Corn dry matter accumulation during the 1987 grow ing season as affected by hybrid selection.... In PAGE 47: ... In 1987, when soil moisture was limited, the selection of hybrid was important. Sunbelt 1827, a cultivar with small diameter, vertically oriented roots, consistently had the greatest production of dry matter regardless of tillage treat ment ( Table2 ). In this year, dry matter production was also a good indicator of grain yields produced by the three hybrids.... In PAGE 50: ... The experimental design was a randomized complete block with four replications. Results and Discussion Irrigated corn did not respond to tillage methods in 1986 ( Table2 ). Subsoiling in-row and middle was superior to sub- soiling in-row only for unirrigated corn with conventional tillage.... In PAGE 50: ... Sub- soiling in the middle between rows obviously increases water movement into the soil from rainfall. Mulch from crop residue increases water infiltration into the soil and reduces evapora tion from the soil surface in conservation tillage systems in Table2 . Influence of tillage and irrigation on grain yield of eorn in 1986.... In PAGE 56: ...grains as with summer crops. Gmin Sorghum Yields Grain sorghum yields ( Table2 ) varied among years and were relatively low. The yields obtained, however, were ac tually higher than average yields of doublecropped sorghum in south Alabama.... In PAGE 56: ... Averaged over the 3 years, between-row subsoiling compared favorably to traditional in- row subsoiling (55 vs 58 bu/acre) at this site. When compar ing between-row subsoiling alone with no subsoiling, the Table2 . Grain sorghum yields as affected by in-row subsoiling at planting and between-row subsoiling 4 weeks after planting.... In PAGE 59: ... Effective control of rhizome johnsongrass was achieved with one-year rotations with soybeans. Grain sorghum yields were not increased by rotating it with more than one consecutive year of soybeans ( Table2 ). Since johnsongrass culm counts were made at harvest, they represent both seedling and rhizome plants.... In PAGE 59: ... Soybeans in rotation with grain sorghum, however, did not produce significantly higher yields than continuous soybeans (Table 3). Table2 . Annual yield for grain sorghum and number of johnsongrass culms per 15 feet of row grown in a rotational system with soybeans.... In PAGE 61: ... The conventional tillage and Paraplow plots were smoothed with a do-all (an implement equipped with a rolling cutter bar and section harrow) prior to planting soy- beans. Soybean planting dates ( Table2 , 3, and 4) for 1985-87 ranged from May 31 to June 5 at both Northeast and Pontotoc ... In PAGE 62: ... Stand density ranged from about 40,000 plants/acre in 1987 to 78,500 in 1986. Stand densities in the Ro-till treatments were generally lower than in the Paraplow, no-till, and conventional tillage treatments in 1985 and 1987 but not in 1986 ( Table2 ). The seedbed prepared by the Ro till at planting was cloddy and rough on the surface.... In PAGE 62: ... Depth of tillage for both the Paraplow and Ro-till treatments, and fertilizer placement in the Ro-till treatment had no significant effect on yield. Stand densities in 1986 ( Table2 ) were higher than those in 1985 in all tillage treatments. Plant height at maturity was less and soybean yields averaged about 10 bu/acre less than in 1985.... In PAGE 63: ...tillage systems; in 1985 all paraplow treatments had significantly lower plant densities than both Ro-till 11 to 12-inchdepth treatments (Table 3). The Paraplow 4 to 6-inch depth had the lowest plant density and was significantly lower than both Ro-till ll to 12 ,and 14 to 15-inch depths fertilizer surface-incorporated; in 1987, however, the Table2 . Effect of reduced tillage systems and fertilizer placement on soybean plant population, height at maturity and yield on a Catalpa silty clay soil in 1985-87 at the Northeast Experiment Station.... In PAGE 69: ...680 2,450 *Corn-wheat for grain-soybeans. Table2 . Influence of conservation tillage systems on average sovbean yields for Essex and Forrest.... In PAGE 69: ... Soybean cyst nematode count/100 cc soil Sampled in July (60 days after planting) Tillage 1984 1985 1986 1987 systems Essex Essex Forrest Essex Forrest Essex Forrest Conventional Strip tillage No-tillage Conventional Strip tillage No-tillage Corn-Soybean 712 260 161 134 19 632 612 36 538 48 362 12 216 149 399 171 13 Continuous Soybeans 586 303 126 91 21 779 627 133 238 23 510 52 797 426 310 264 128 yields for the 3 years were obtained when a SCN-resistant soybean cultivar was rotated with corn and full-season soy- beans were grown (Figure 2). The drop in yields of Essex soybean between the first 4 years and last 3 years ( Table2 ) was influenced by tillage systems. The loss was smaller for no-tillage (8%)than con ventional (19%) or strip-tillage (22%).... In PAGE 70: ... Results Soybean Yield From 1980 through 1983, tillage system caused no signifi cant differences in soybean yield (data not presented). Similarly, during 1984 and 1985, neither tillage system nor lime application altered soybean yield and all treatments averaged between 35 and 41 bu/acre ( Table2 ). During 1986 and 1987, however, lime significantly increased soybean yield.... In PAGE 71: ... Although lime increased seeds per plant and weight per seed of all treatments, limed plots of the disked and subsoil plus disk treatments had fewer plants per foot of row, and plants were shorter throughout the growing season. Such symptoms were not observed in any tillage-lime treatment in 1987, and lime significantly increased average soybean yield over all tillage treatments ( Table2 ). Yield increases in 1987 associated with lime resulted from an increase in stand density of no-till soy- beans while increases, in both seed weight and number, were responsible for higher yields in other tillage systems.... In PAGE 71: ... Soybean Leaflet Analysis Leaflet analyses (Table 4) did not reveal any nutrient defi ciencies that could explain the stunting of disk only and sub- soil plus disk soybean plants in 1986. DRIS indices indicated Table2 . Yield of Centennial soybean doublecroppedafter wheat as influencedby tillage system and lime application, Baton Rouge, LA.... In PAGE 74: ... No significant interactions were noted involv ing tillage and burning or tillage and irrigation. Irrigation increased yields significantly 4 out of 5 years ( Table2 ). In 1985, a numerical increase of 4 bushels per acre Table 1.... In PAGE 75: ...cre in 1983 to 7.7 bushels per acre in 1985. In addition, significant irrigation x burning interactions were noted in 1982 and 1985. Under irrigated conditions in Table2 . Effectsof burning wheat residue and irrigationon yield of doublecropCentennialsoyeansaveragedover tilled and non tilled conditions: 1982-1986.... In PAGE 78: ...age rate was $4.50/hour. Interest on operating capital was computed at 10 percent annual percentage rate. Results and Discussion Fixed Costs Fixed costs for these systems ranged from about $19 to $25/acre ( Table2 ). Due to fewer implements needed, the no- till production system fixed costs at all locations were about $4 to $7/acre less than chisel + disk, Paraplow, and Ro-till.... In PAGE 78: ...20 - - *Time of application code: Burndown was applied 7 to 14 days before plant ing; PRE-E = preemergence application made following soybean plant ing; POT = postemergence over-top application as tank mixtures, twice during soybean growing season; and P-Dir = post-directed application to soybeans 8 to 12 inches tall as a broadcast application. Table2 . Estimated 1987 fixed costs for reduced tillage systems on three soil resource areas.... In PAGE 85: ... Soybean herbicides applied were , 2,4-DB, and The combina tion of herbicides used varied each year depending on the weed problem. was used each year for ryegrass con- Table2 . Weed control management systems used for develop ing economic analysis hndget of four cropping systems, 1984-1986, MAFES Northeast Branch.... In PAGE 85: ... The total expenses did not include a charge for land, management, and general farm overhead. For practical economic comparisons, the weed control systems for soybeans relay planted in wheat and monocrop soybeans were modified as indicated in Table2 . The assump tion in the analysis for a practical farm situation was that the modified weed control systems provided the same level of weed control and the cropping systems would produce the same yield as those in the research plots.... In PAGE 92: ... Water was not limiting at either location in either year, since irrigation was used when needed. Tobacco grown with a crimson clover and hairy vetch cover crop did yield significantly higher than tobacco grown with a rye cover crop ( Table2 ). Conventional tobacco (cultivated) averaged the highest yield over 2 years, but yield was lower than the Clayton location.... In PAGE 93: ...Table2 ). There were no significant differences in grade index in 1986 or 1987.... In PAGE 93: ... The legume mulch is responsible for elevated N levels and, therefore, would affect this ratio. Reducing sugar to total alkaloid ratio Table2 . No-tillage flue-cured tobacco yield, grade index and leaf chemistry as affected by cover crop at Rocky Mount, NC, 1986 and 1987.... ..."

"... In PAGE 44: ...nt. FLSD (0.10) = 14. Table5 .... In PAGE 44: ... The soybean-clover-corn system reduced the N fertilizer re quirement for corn by 60 to 120 Ib/acre. At the Wiregrass Substation, corn grain yields in 1985 ( Table5 ) were not greatly affected by cropping systems when N was at optimum levels (180, 180, 180, and 120 lb/acre for the cropping systems, respectively). It appears that the soybean-reseeded clover system, but not the clover only or Table 2.... In PAGE 60: ... Results and Discussion Cyst nematode counts were the highest in continuous soy- bean plots but non-existent in the alternate year rotation at the end of the study. This indicates that alternate year crop rotation with soybeansand grain sorghum, and switching from susceptible to resistant soybean varieties, may be beneficial in no-till farming to control SCN ( Table5 ). The continuous grain sorghum plots became so heavily infested with rhizome johnsongrass after the second year that visual observation in dicated this was an unacceptable practice.... In PAGE 72: ...systems in 1986 ( Table5 ).Phosphorus was not limiting in any tillage system, but this element was significantly higher in the no-till treatment than in other tillage systems (Table 4).... In PAGE 72: ...36 0.36 Fe 94 88 106 88 98 83 116 92 Mn 101 272 91 158 99 198 88 149 Zn 65 67 66 68 64 67 62 69 cu 14 14 13 14 14 14 13 14 B 42 48 41 50 42 52 40 50 Table5 .DRISindicesof soybean leafletssampledatthe R1 growth stage as influenced by tillage and lime application, Baton Rouge, LA, 1986.... In PAGE 85: ... Thus, soybean planting date for a wheat doublecropping system could be extended 2 to 4 weeks using relay planting. Wheat yields from the late May relay planted soybeans were the same for both soybean row spacings ( Table5 ).The 16-inch soybean rows had twice as many planter units pass between ... In PAGE 86: ... The late planting date of about July 4, however, severely reduced yields and indicated no advantage for doublecropping. Two-year average yields for 16- and 32-inch soybean rows ( Table5 ), indicated little difference among row spacings. The main advantage for the 32-inch rows is the capability to utilize band application of herbicides and to cultivate.... In PAGE 86: ... The relay cropping system has the most potential to in- crease net returns for producers who plant soybeans in wheat stubble after June 19 in Northeast Mississippi and similar areas. Two-year average net returns for 16-and 32-inch rows dif fered among systems and planting dates ( Table5 ). The monocrop 16-inch soybean rows showed returns of $8/acre more than 32-inch rows.... In PAGE 87: ...Table5 . Two-year average yields and net returns of four crop- ping systems at the Northeast Mississippi Branch Experiment Station, 1985-86.... ..."

"... In PAGE 10: ... Foremost is knowing that reduced tillage in- creases the potential for slug damage, while incorporating some of the crop residues will limit slugs apos; ability to cause economic damage. Obviously, this presents a problem for Table1 . Average number of slugs per trap for interac tion between tillage and previous crop in 1984 and 1985.... In PAGE 21: ... nigrifrons. Table1 . Adult survival of and oviposilion by G.... In PAGE 24: ...9 X and 1.9 X higher, respectively, under vetch-corn double cropping than under the vetch-grain sor ghum double cropping system ( Table1 ). Meloidogyne in cognita or P.... In PAGE 24: ... Paratrichodorus minor did not re spond to any of the systems tested. A significant response in the population densities of two Table1 . Soil or root population densities of four nematode species averaged over 4 years following a vetch-corn or vetch-sorghum cropping system each grown in no-tillage or conventional tillage with or without subsoiling.... In PAGE 27: ... and grasshoppers were mostly Melanoplus spp. Very few Table1 . Effect of insect control at planting with carbofuran in insect populations in ladino clover interseeded into tall fescue sod.... In PAGE 28: ... = 0.02) and aphid (F = 96.71. P lt; 0.01) densities with leafhoppers being most abundant in the 9 October planting and aphids being most abundant during the 1 November planting ( Table1 ). Grasshoppers were collected in low num ber only during the first fall planting.... In PAGE 29: ...ent: a break through in technology. Crops Soil Mag. (Nov.):13-15. Successes With No-Till Cotton John F. Bradley1 Introduction Table1 . No-tillage vs conventional tillage cotton lint Eight years of research with no-till cotton at the University yields across variety trials planted into standing wheat or of Tennessee Milan Experiment Station have proven that rye.... In PAGE 31: ... Yield responses among tillage systems varied with locations Brewton. In-row subsoiling regardless of previous tillage 24 Table1 . Rye forage yields as affected by tillage prior to planting rye and in-row subsoiling for the previous sum mer cotton crop.... In PAGE 33: ... The crop rotation plan is show in Table 1. Table1 . A four-year rotation plan for determining quantitative effects of tillage and cropping system on yield of irrigated and unirrigated corn and soybean.... In PAGE 35: ... However, data from the past several years indicate responses to various N-P combinations when applied to early planted corn regardless of soil test levels (Wright, 1987). Table1 . Starter placement influence on plant height of no-tilled corn (Quincy).... In PAGE 35: ...5 The efficiency of starter fertilizer on early plant growth may be determined as much by the location of the placement as any other factor. Table1 data shows that any close place ment, even after a broadcast fertilizer application, is better than no starter fertilizer for early season vigor. This early growth may help the plant grow through insect damage, shade weeds and allow for earlier cultivation and sidedres sing of N.... In PAGE 37: ...Table1 . The Timing of Machinery Operations for Six Tillage/Cover Crop Treatments in Louisiana.... In PAGE 41: ...ighest rate of CF 2.0. The CF 1.0, TF 2.0, and C did not Table1 . Corn graln yield response to tillage and pesticides (three year average).... In PAGE 44: ... Results and Discussion Grain and whole plant yields at both locations were signi ficantly affected by the single effects of cultivar and N rate. The three way interaction of cultivar x N rate x K-Mg level Table1 . Grain and whole plant yields of corn cultivars as affected by sidedressed N rate and K-Mg for location 1.... In PAGE 46: ... For the August crop, FLOPUP and Pioneer X304C each had maximum grain yields of 78 bu A-1 approximately 22% greater than the yield for Pioneer 3320. Table1 . Maximum whole plant dry matter and grain yield by three corn cultivars affected by planting date.... In PAGE 48: ...034X for grain, and y dry matter yield (lb A-1) 2315 0.144X for plant dry Table1 . Yield variable of August plantedcornaffectedby plant population (Two location average in 1987 at Gainesville, FL.... In PAGE 51: ... The Stare Yield Performance Trial was also a randomized complete block with 4 replications, and its inclusion was for the purpose of economic analysis of an intensive manage ment system compared to a dryland single- and doublecrop system. Results and Discussion Comparisons of grain yields of Pioneer X-304C for all four years are shown in Table1 and days of planting. tassel ing and harvest can be related to air temperature and rainfall data in Figures I.... In PAGE 52: ...Table1 . No-till tropical corn yields with moderate ener gy inputs at Quincy, FL for Pioneer X-304C in 1985, 1986, 1987, and 1988.... In PAGE 54: ...Table1 . Schematic of field surface-residue/tillageopera tions for FIELD #1 for 1983, 84, and 85.... In PAGE 56: ... These data suggest that Classic could be used alone to achieve excellent preplant burndown of pitted morningglory, and would be more effective than Bladex alone. Table1 . Preplant burndown control of pitted morninggloryby Bladex and Classic.... In PAGE 59: ... Results and Discussion No interactions occurred in this experiment. Highest yields of rye WPDM were obtained when 105 lb NA-1were applied ( Table1 ) during the 85-86, 86-87, and CC avg. Response to N increased linearly up to the 105 lb A fertilizer rate and then decreased at the highest N rate (I40 lb A -1).... In PAGE 59: ... A response of rye GY2 to the application of 80 lb K A -1was observed for the 85-86 and the CC avg (FPLSD 0.05) ( Table1 ).A trend of an analogous behaviour was observed during the 86-87 CC.... In PAGE 60: ...Table1 . Rye and soybean yield variables as affected by N and K fertilization.... In PAGE 62: ...urfactant at 0.5 lb ai/acre + 0.25% v/v was applied in early July and August for summer annual broadleaf weed control. Table1 . Wheat cultivars and planting dates at the Pon totoc Branch Experiment Station, 1985-87.... In PAGE 62: ... Year Planting Dates Cultivar 1985 Oct. 18 Nov 6 Nov 20 Florida302 1986 Oct 17 Nov 1 Nov 17 Pioneer 2551 1987 Oct 25 Nov 3 Nov 16 Florida302 Each year three wheat plantings ( Table1 ) were made on about 15 October, 1 November, and 15 November. All 8-in.... In PAGE 64: ... were also measured. Results and Discussion Crimson clover dry matter production and N concentration just prior to corn planting in 1988 are shown in Table1 . Dry matter yields and N concentration were unaffected by N rate, however, cover crop management did have a significant effect on both parameters (p gt;.... In PAGE 64: ... In contrast, the direct-seeded treatment averaged only 26% of the biomass produced in the reseeding treatments. The fall of 1987 was very dry after planting the direct-seeded treat- Table1 . Dry matter production and N concentration of crimson clover as affected by N rate and clover management in 1988.... In PAGE 69: ...ble to be harvested in Dec. and Feb. while ryegrass seeded into bermudagrass sod could not be harvested until March (2). Table1 . Soil fertility levels of no-till and clean till experiments.... In PAGE 72: ...Table1 . Initial chemical propertiesof the Dothan fine san dy loam and Benndale fine sandy loam soils receiving annual rates of phosphogypsum.... In PAGE 74: ...5% moisture for grain yield determination. Results Dry matter and N content of cover crops at burndown are listed in Table1 . Nitrogen content of clove and rye ranged from 99 to 156, and from 28 to 52 lb/acre, respectively.... In PAGE 74: ...nd from 9.7 to 15.6% in rye. Table1 . Dry matter production and N content of cover corps at burndown, 7-10 days prior to planting corn.... In PAGE 80: ...eason. The corn was not imgated. As with any data col lected during the single growing season, extreme care should be exercised when these date are used to make major man agement decisions. Results As a result of the extremely dry growing season, corn grain yields ( Table1 ) were 30 to 40 bu/acre lower that normally expected for the Sand Mountain region. There was, however, a strong relationship between yield and treatments.... In PAGE 80: ... Yields with the other treatments ranged between 69 and 73 bu/acre. Lower yield with than without tillage is not uncommon in the Table1 . Tillage effects on yield of corn following grazed and nongrazed rye.... In PAGE 83: ... Results and Discussion Clay content influenced the total nitrogen and C/N ratio of plant biomass inputs. A higher total nitrogen wasobserved in the lower clay content with an inverse relationship seen in the C/N ratio ( Table1 ). The total carbon remained constant across varying clay content (Table 1 ).... In PAGE 83: ... A higher total nitrogen wasobserved in the lower clay content with an inverse relationship seen in the C/N ratio (Table 1). The total carbon remained constant across varying clay content ( Table1 ). Table 1.... In PAGE 86: ... Table1 . Effect of tillage, soil depth, cropping system Table 2.... In PAGE 91: ... Relat ing strength to hulk density and water content also depends on texture and organic matter. Making field strength com- Table1 . Mean profile soil strengths for disked and mini- mum tillage plots subsoiled with the Superseeder (SS), Paratill (PT),and Kelly (KE).... ..."

"... In PAGE 12: ... Producers should consider limiting applicationspast the mid- point in the growing season to facilitate maximum uptake of N resulting from applied poultry litter. Tissue N accumulation ( Table2 ) in grass species with 0-ton/A litter ranged from 38.... In PAGE 12: ... Nitrogen utilization for orchardgrass was slightly greater at the 8-ton/A (60.9%) than for the 4-ton/A Table2 . Seasonal nitrogen removal by grass species fertilized with variable rates of poultry litter.... In PAGE 16: ....007.63 a ~ ~ ~~~ *Numbers in the same column and category followed with the same letter are not significantly different at the 5% level. Table2 . Summary of the cotton management practices by year.... In PAGE 19: ... No charge was issued for land, overhead labor, other over- head, crop insurance, real estate taxes, and management. Results and Discussion Grain yields for the study are shown in Table2 . These par ticular crop rotations were selected for the alternation of host crop for soilborneplant pathogens, weed spectrum easily con- trolled by available herbicides, and economic potential.... In PAGE 20: ...------ Table2 . Grain yield for the 11 cropping systems.... In PAGE 23: ...5 cm size applied to the Agronomy farm vegetables. Table2 . Compost treatment and field corn forage yield from use of yard waste compost (YWC) on Haufler farm research plots for 1992, 1993, and 1994.... In PAGE 23: ...8 Mglha to 11.2 Mglha (based on 30% dry matter silage)depending upon the experiment ( Table2 ).In creased yield was positively correlated with the increased soil organic matter, improved soil fertility conditions, and greatly increased soil water storage capacity.... In PAGE 27: ... Herbicide treatment resulted in greater leaf and total plant yield compared to the check. The leaf to stem dry matter ra tio indicated that the supplementalN was required in greater quantities for leaf dry matter production compared to the stem ( Table2 ). This would be expected since the stem would de velop first during plant growth and development and would have had access to an assumed sufficient level of fertilizer N prior to the excess rainfall/irrigation time.... In PAGE 27: ...le 3). This relationship held true for the total plant as well. Consistently greater amounts of N was removed by tobacco parts and total plant from the herbicide-treated plots com pared to the control (Table 3). Table2 . No-tillage tobacco plant dry matter yield from weed control and supplemental N treatments, Florida 1994.... In PAGE 30: ...05; ns = not significant. Table2 . Effects of tillage and lime rate on population densities of root-knot nematodes (Meldogyne incognita)at planting and harvest of soybeans.... In PAGE 38: ...25% v/v. Table2 . Tall fescue, giant foxtail, and smooth pigweed control over a 4-year period with Atrazine 4L at 2 qt/A and Gramox one Extra 2.... In PAGE 38: ... Many growers in Kentucky have used only atrazine and Gramoxone Extra to kill tall fescue, giant ragweed, and smooth pigweed. Greater than 80%control of all species can be expected ( Table2 ). A combination of atrazine, Princep, and Gramoxone Extra controlled these species similar to atra zine plus Gramoxone Extra (Table 3).... In PAGE 44: ... Results St. Joseph Grain yields ranged from 34 to 86 bu/acre in 1993 (Table 1) and from 83 to 178 bu/acre in 1994 ( Table2 ). More time ly rainfall probably accounted for the higher grain yields in 1994.... In PAGE 44: ... In 1994, the only year tillage treatments were evaluated at St. Joseph, grain yield did not differ between tillage treat ments ( Table2 ). As a result of delayed seedbed preparation due to wet soil conditions, the CT treatment was planted ap- Table 1.... In PAGE 44: ....S. = nonsignificant at the 0.05 probability level. Table2 . Influence of tillage, cover crop, and N rate on corn grain yield, plants per acre (PPA), ears per acre (EPA), kernel weight, and kernels per ear on Sharkey clay at St.... In PAGE 45: ... In 1994, corn growth was severely reduced by the wheat cover crop treatments regardless of tillage treatment. Grain yield following wheat was decreased about 35% compared to the other cover crops ( Table2 ). Although plant popula tions were decreased following wheat, this would not account for the large difference in grain yield among cover crop treat ments.... In PAGE 52: ...evels. Moody et al. also reported lower soil temperatures and a higher rate of growth and yield for corn when planted into mulched plots. In 1994 of this study, crimson clover and hairy vetch produced significantly higher dry matter yields than rye or native weeds ( Table2 ). High legume DM yields could decrease the need for commercial N fertilizers in sweet- potato production.... In PAGE 52: ...05). Table2 . Cover crop dry matter yield, 1993-1994.... In PAGE 55: ... Ample rainfall resulted in good corn and soybean yield at both locations. Wheat Wheat yields for 1993-1994 are presented in Table2 . A late spring freeze in 1993 resulted in cold injury to seed heads and low yields on both sites.... In PAGE 55: ...11 inches. Table2 . Effect of tillage and rotation on wheat yield in a soybean-wheat doublecropping system in 1993-1994, at the Northeast Branch Station, Verona, MS, and at the Prairie Research Unit, Prairie, MS Wheat 1993 1994 Avg.... In PAGE 58: ... Ryegrass sown in sod was not grazable until March of each year, regardless of N rate. In the second crop year, very little growth occurred until late February and early March because of an extremely dry summer and fall (Figure 1, Table2 ). Total ryegrass yields in tilled plots were 1.... In PAGE 59: ... The below-normal rain- fall during May through October 1993 apparently depleted the soil of moisture, which impacted fall 1993 growth of ryegrass until early 1994. Even the tilled plots in 1993 had Table2 . Ryegrass yield as affected by seedbed and N rate, insufficient fall growth to utilize.... In PAGE 62: ... The Kf values for soils from both tillage systems also increased with shaking time, supporting the previous kinetic data. Sorp tion was nonlinear (n-l lt;l), and the exponent parameter was similar for both soils and all shaking times ( Table2 ). Non- linear characteristics indicate that sorption decreased as ini tial herbicide concentration increased.... In PAGE 62: ..., 1995), and structural components of microbes may have strong sorptive capabilities. Cell components (lipids, proteins, soluble sugars, and poly- Table2 . Freundlich parameter coefficients characterizing the effects of tillage on fluometuron sorption at selected equilibra tion times.... In PAGE 66: ... Verona. Winter VCC on the Leeper was similar to the Vaiden site ( Table2 ). However, the MTBd wheat with doublecrop NT soybeans followed by NT corn in a rotation had 31% VCC on March 11, 1993 and, because of volunteer wheat from the previous wheat crop, had more VCC than all other stale seedbed systems.... In PAGE 67: ... This was in comparison to 11 and 17% VCC for the RTl corn followed byRT2 soybean rotation on April 19, 1993and April 20, 1994. The rotation RT1 corn followed by RT2 soybeans GRC was higher (less corn residue decomposition) than con tinuous NT and RT2 soybeans in April of 1993 and 1994, Table2 . Effect of corn rotation and tillage on winter vegetation canopy cover and ground residue cover on a Leeper silty clay soil from October 1992 through May 1994 at the MAFES Northeast Branch Station, Verona, MS.... In PAGE 70: ... Thirty-eight percent of the studies were documented as having weedy or grassy NT plots that proba bly further contributed to lower yields. When site selection was considered ( Table2 ), the studies conductedon the steeper slopes (6-12%)experienced a higher reduction in NT yields, 44 %,than the flatter slopes (2-6 %), 29 %,compared with CT. When previous erosion was a fac tor, the studies conducted on sites that were moderate to sever ly eroded had a higher reduction in NT yields, 32 %, when compared to CT than the noneroded or slightly eroded sites, 24% when compared to CT.... In PAGE 71: ... The rotation of an effective herbicide pro- gram for weed control is essential to maintaining long-term NT soybean production. Table2 . Site selection influence on yield performance of soy- bean tillage trials at NMBES from 1978 to 1987.... In PAGE 73: ... Results General Yields were taken for the winter wheat crop of 1993-1994 and the soybean crop of 1994 (Table 1). Soil cone indices shown below were from the spring soybean and fall wheat crops of 1994 ( Table2 ). Please, note for the sake of termi nology, that spring tillage and fall tillage are deep-tillage treat ments.... In PAGE 73: ...5 Mean * Soybeans or wheat, surface or deep-tilledmeans with the same letter are not significantly different using the LSD separation procedure. Table2 . Mean cone indices of for 1994 soybeans and 1994 wheat.... In PAGE 73: ... This could be at least partly a result of the 1.1- atm lower cone indices meas ured in nondisked treatments ( Table2 ). A trend is notice- able among the deep-tillagetreatments.... In PAGE 73: ... Cone Index (Spring 1994 and Fall 1994) Mean profile soil cone indices are 1.1 atm higher for disked than for nondisked treatments for measurements taken at soy- bean planting ( Table2 ). Disked treatment cone indices were also higher but not significantly different for the measure ments taken at wheat planting.... In PAGE 74: ... Nondeep-tilled treatmentshad 4- to 10-atm highercone in- dices than deep-tilled treatments. This was true for both wheat and soybean planting ( Table2 ). This difference can be seen in Figure 1 by the loosened zones of deep disruption for the deep-tilled treatments and higher, more uniform cone indices across the profiles of the treatments not deep tilled.... In PAGE 74: ... (1986) similarly reported pan reformation over winter, especially in treatments with surface tillage. Mean profile cone indices were higher for the fall deep tillage than the spring or both spring and fall deep tillage ( Table2 ). Neverthe less, even in this treatment the subsoiled zone (contours not shown) was still evident.... In PAGE 75: ... The addition of a compo nent is then calculated by averaging over all treatments where one tillage component is added to the system. Results and Discussion Yield results obtained from the duration of the study are presented in Table2... In PAGE 79: ..., 1989). Wastewaters from nine dairy spray fields with overhead sprin kler or gun irrigation facilities were collected biweekly from early September 1992 to January 1993 ( Table2 ). Dairy wastewater was soil-surface applied in sprayfields for all dairies in the study.... In PAGE 79: ... Large volume rain gauges were placed in two locations of each sprayfield for replicat ed samples. Concentrated H2S04was added to the rain gauges to ensure no losses of N received from the effluent that was Table2 . Characteristics of seven Florida dairies, nine sprayfields, and manure handling, irrigation, and multiple cropping systems.... In PAGE 81: ... Nitrogen available in a period for crop utili zation based on the N and P in filtered samples from samples collected in sprayfields and from pond analysis. N P Dairy Field Pond Average Field Pond Average Gw* 51 52 52 40 18 29 GE 103 39 71 68 13 41 76 64 70 78 26 52 BC 30 26 28 8 21 KB 33 39 36 8 2 5 AL 48 26 37 24 4 14 WH 26 24 25 13 10 12 SHI 35 15 25 27 2 SHN 13 14 14 17 4 12 *See code identity in Table2 . Nitrogen availability is based on an expected 75% losses due to volatilization and denitrification because the effluent was placed on the soil surface.... In PAGE 85: ... The available N from the manure, calculated as half of that applied, was also greater than the highest fertilizer N rate, except for the December, 1992 application (Table 1). Corn grain yields were generally quite good, but were un affected by tillage in experiment I ( Table2 ). Grain N removal was similarly unaffected.... In PAGE 85: ... Grain N removal was similarly unaffected. There was an interaction between manure and fertilizer N use on corn grain yield and N removal in experiment I ( Table2 ). The spring manure application se verely diminished the positive grain yield and N removal responses to fertilizer N.... In PAGE 85: ... Grain removal of manure N was similarly affected by the use of fertilizer N. In experiment II, there was a strong interaction between times of manure application ( Table2 ). While the fall manure application raised both grain yield and N removal in relation to the unamended control, spring manure application result ed in greater yield and N removal.... In PAGE 85: ... This was not the case for the more recent fall manure applications evaluated in experimentII, where mineralizationresulted in greater soil nitrate in the spring of 1993 (Table 3). After corn harvest, soil profile nitrate was still generally Table2 . Corn grain yields and nitrogen removal in 1993.... In PAGE 90: ... Tillage had no effect on Lacassine yield, but yield was significantly lower than the other varieties. Results from 1994 are presented in Table2 . Maturity response due to tillage, variety, and fer tilizer was similar to that measured in 1993.... In PAGE 90: ... Tillage had no effect and increasing rate of N had a small influence. Matu rity of varieties over all tillage and N rates was significantly Table2 . Influence of tillage and N rate on performance and grain yield of drill-seeded rice varieties.... In PAGE 93: ... Increased total soil bacterial populationswere specifically due to the proliferation of Gram- negative bacteria, such as fluorescent pseudomonads. In the soybean cover crop study, both rye and vetch cover crops stimulated soil bacterial populations in the surface soil (0-2 cm) ( Table2 ). However, the effect of cover crop was significant only for the first 3 weeks after planting.... In PAGE 93: ... Bacterial populations in cover crop residues were 50- to 1,000-fold greater than in the underlying soils in all samples taken from both the cotton and soybean studies (Ta ble 3, only data at planting are shown). In the soybean study, surface soils from VC and RC plots exhibited significantly greater microbial biomass than did those from BG plots ( Table2 ). Soils from VC plots initially had the greatest microbial biomass; however, the soils in RC maintained higher levels of microbial biomass than did soils in BG plots in later samplings.... In PAGE 94: ...Table2 . Effect of rye and vetch cover crops on microbial populations and microbial biomass of a Dundee silt loam (0-2 cm), soybean study, 1994.... In PAGE 100: ... In both phases of our study, first-year no-tillage cotton yields were either equal to or less than con ventional yields and at least 2 years of no-tillage were re quired for yield differences to become strongly evident. Lack of immediate response to no-tillage implies that phys- Table2 . Growing season rainfall at the study site, inches/month.... In PAGE 107: ... End of season plant mapping indicated that the delay in flowering was partially caused by the first sympodial branches being higher on the mainstem for the cot- ton grown in the rye mulch (data not shown). Cotton yield did not differ between nondisked and disked treatments following winter fallow ( Table2 ). This result is in contrast to the first 2 years after plot establishment where the nondisked treatment yielded less than the disked treat- Table 2.... In PAGE 107: ... Cotton yield did not differ between nondisked and disked treatments following winter fallow (Table 2). This result is in contrast to the first 2 years after plot establishment where the nondisked treatment yielded less than the disked treat- Table2 . Effect of cover crops and tillage on cotton lint yield.... In PAGE 108: ... ment (Bauer and Busscher, 1993). Following rye, the disked plots had greater yield than the nondisked ( Table2 ), which was partly caused by poorer stands in the nondisked plots (plant stands following rye were 1.3 and 2.... In PAGE 113: ...Table2 . Percent .... In PAGE 115: ... Postemergence hooded or directed applications were first made on June 7. All applications were made according to cot- ton growth stages ( Table2 ). Cotton stage was 2- to 4-leaf, 2- to 4-inches tall.... In PAGE 115: ....0 Ib ai/A prometryn plus 2.0 lb ai/A MSMA were applied through post-directed nozzles. Table2 . Preemergenceand postemergence treatments for weed control in no-till cotton.... ..."