[1] Andraski BJ., Mueller D.H., Daniel T.C. 1985. Phosphorus loss in runoff as affected by tillage. Soil Sci. Am. J. 49: 1523-1527.
[2] Ashlock L.O., Burke G.L., Lorenz G., Windham T.E. 1991. Soybean production systems utilized in the soybean research verification program in Lonoke County. Proc. 1991 South Conns. Til. Conf. Sp. Rap. 148, Arkansas, 1-3.
[3] Baker J.L., Latlen J.M., Hartvig R.O. 1982. Effects of corn residue and herbicide placement on herbicide runoff loses. Trans. ASAE 21: 886-893.
[4] Baker J.L., Latlen J.M. 1983. Water quality consequences of conservation tillage. J. Soil Water Conserv. 36: 136-193.
[5] Barnes J.B., Putnam A.R. 1983. Rye residues contribute weed supression in no-tillage cropping systems. J. Chem. Ecol. 9: 1045-1057.
[6] Barnes J.B., Putnam A.R. 1986. Allelopathic activity of rye (Secale cereale L). Sci of Allelop. 271-286.
[7] Bathke G.R., Porter P.M., Robinson D., Gibson J. 1992. Double and mono-cropped corn and soybean response to tillage. Proc. 1992 South. Cons. Til. Con., Pub. 92-01, Tennessee, 46-52.
[8] Bradley J.F. 1991. Conservation tillage- a force changing southern agriculture. Proc. of the 1991 South. Cons. Til. Con. sp. rap. 148: 13-17.
[9] Broder M.W., Doran J.W., Peterson S.A., Fenster C.R. 1984. Fallow tillage influence on spring populations of nitrifiens, denitrifiens and available nitrogen. Soil Sci. Am. J. 48: 1060-1067.
[10] Bublitz A.G. 1987. Impact of biotechnology on weed science. Weed Sci. of N.C. 1-6.
[11] Busseher W J., Sojka R.E. 1987. Enhancement of subsoiling effect on soil strength by conservation tillage. Trans. ASAE 30(4): 888-892.
[12] Carella J.E. 1989. Characteristics of soil organic matter from cropping systems, soil type, and tillage variable. Genesville 32: 611-012.
[13] Carter P.R., Barnett K.H. 1987. Corn-hybrid performance under conventional and no-tillage systems after thining. Agron. J. 19: 919-926.
[14] Chou C.H., Patric Z.A. 1976. Identification and phytotoxic activity of compounds produced during decomposition of corn and rye residues in soil. J. Chem. Ecol. 2: 364-387.
[15] Cook M.G. 1990. What conservation complience means to farmers. Proc. 1990 South. Cons. Til. Conf. sp. bul. 90-1 North Carolina, 15-19.
[16] Crabtree N.S., Parsch L.D., Oliver L.R., Eldridge I.L. 1992. Comparison of crop rotation net returns under no-till and conventional tillage. Proc. 1992 South. Cons. Til. Con. sp. pub. 92-01, 98-103.
[17] Crosson P. 1981. Conservation tillage and conventional tillage. Soil Cons. Soc. Am. Ankeny J.A.
[18] Cruz J.C. 1981. Effect on crop rotation and tillage system on some soil properties root distribution and crop production. Ph. D. Dissert. Purdue Univ. W. Lafayette I. N.
[19] Daniel T.C. 1991. Conservation tillage and water quality. Proc. 1991 South. Cons. Til. Copnf. rap. 148, 22-25.
[20] Dick W.A., Edwards W.E., Highire F. 1986. Water movement through soil to which no-tillage cropping practices have been continuously applied. Chelsea Mi Lewis Pub.
[22] Ditsch D.C., Trimble R.L., Wade J.M. 1987. Economicand financial analysis of soil tillage options available to Kentucky crop farmers.
[23] Ditsch D.C., Trimble R.L., Wade J. M. 1988. Tillage selection - Soil stewardship versus financial surviwal. Proc. 1988 South. Cons. Til. Conf. sp. bul. 88-1, Mississipi, 5-8.
[24] Doran J.W. 1980. Soil microbial and biochemical changes associates with reduced tillage. Soil Sci. Soc. Am. J. 44: 765-771.
[25] Duseja D.R.1991. A comparative study of the influence of two tillage systems on soybean production soil properties and nutrient uptake. Proc. 1991 South Cons. Til. Conf. Rap. 148, Arkansas, 26-29.
[26] Edwards J.H., Thurlow D.L. 1988. Influence of tillage and crop rotation on yields of corn, soybean and wheat. Agron. J. 80: 76-80.
[27] Edwards W.M., Shiptalo M.J., Norton L.D. 1988. Contribution of monoporosity to infiltration into continuous corn no-tilled watershed. J. Contan. Hydrol. 3: 193-205.
[28] Edwards J.H., Thurlow D.L., Eason J.T., Ruf M. 1992. Tillage and crop rotation effects on sustaining soybean yield on a Hapluduff. Proc. 1992 South. Cons. Til. Conf. sp. bul. 92-1, Tennessee, 79-85.
[29] Else M.J., Ilnicki R.D. 1989. Crop and mulch system effects upon weeds in corn. WSSA Abstr., 29-68.
[30] Espaillat J.R., Gallaher R.N. 1989. Corn yield response to tillage, hybrids, and insecticides. Proc. 1989 South. Cons. Til. Conf. sp. bul. 89-1, Florida, 33-35.
[31] Fermanich K.J., Daniel T.C.1991. Pesticide mobility and persistance in microlysimeter soil columns from a tilled notilled plot. J. Environ. Qual. 20: 195-202.
[32] Fernandez B. 1986. The effect of the tillage systems on soil physical properties. Ph. D. Dissert. Purdue Univ. Lafayette J. M.
[33] Follett R.F., Schimel D.S. 1989. Effect of tillage practices on microbial biomass dynamic. Soil Sci. Soc. Am. J. 53: 1091-1096.
[34] Frye W.W., Bennett O.L., Buntley G.J. 1985. Restoration of crop production on eroded or degraded soils. A. S. A., 335-356.
[35] Frye W.W. 1990. Energy and conservation for the 1990' s. 1990 Proc. South. Cons. Til. Conf. sp. bul. 90-1, N. Carolina, 53-56.
[37] Francis G.S., Kameron K.C., Swift R.S. 1987. Soil physical conditions after six years of direct drilling orconventional cultivationon a sit loam soil in New Zealand. Aust.J. Soil Res. 25: 517-529.
[38] Gallaher R.N., Ferrer M.B. 1987. Effect no-tillage vs. conventional tillage on soil organic matter rontents. Comun. to Soil Sci. and Plant Annual 18(9), 1061-1076.
[39] Gallaher R.N., Lattanzi A., Marelli H.1987. Chemical analysisof a typic agrindall in Marcos Juarez. Cordoba Agr. Sci. Univ. of Fl. Gainesville 32611.
[40] Gallaher R.N., Corella J.E., Ortiz R.A., Ferrer M., de Bruniard G.C., Dyal A., Marelli H., Lattanzi C. 1989. Soil organic matter in long-term tillage and cropping system studies. Proc. 1989. South. Cons. Til. Con bul. 89-1, 78-79.
[41] Golabi M.H., Raddiffe D.F., Hargrove W.L., Tollner E.W., Clark R.L._ 1988. Intluence of long-term no-tilllage on the physical properties of an Ultisol. Proc. South. Cons Til. Conf. sp. bul. 88-1, 26-29.
[42] Hall J.K., Hartwig N.L., Hoffman L.D. 1983. Application mode and alternate cropping effects on atrazine loses from a hillside. J. Environ. Qud. 12: 336-340.
[43] Hargrove W.H. 1982. Intluence of tillage practices on the fertility status of an acid soil doublecropped to wheat and soybeans. Agron. J. 74: 684-687.
[44] Hargrove W.L., Hardcastle W.S. 1984. Conservation tillage practices for winter wheat production in the Appalachian Piedmont. J. Soil Water Conserv. 39: 324-326.
[45] Hargrove W.L. 1985. Intluence of tillagein nutrient uptake and yield of corn. Agron. J. 77: 763-768.
[46] Hargrove W.L. 1990. Rote of conservation tillage in sustainable agriculture. Proc. of 1990 South Cons. Til. Conf. sp. bul. 90-1, North Carolina, 28-34.
[47] Hargrove W.L., Box J.E., Radcliffe D.E., Johnson J.N., Rothrok C.S. 1988. Influence of long-term no-tillage on crop rooting in an Ultisol. Proc. South. Cons. Til. Conf. sp. bul. 88-1, Mississipi, 22-25.
[48] Havlin J.L., Kissel D.E., Maddux L.D., Claassen M.M., Long J. H. 1990. Crop rotation and tillage effects on soil carbon and nitrogen. Soil Sci. Am. J. 54: 448-452.
[49] Helling C.S., Zhuang W., Gish T J., Coffman C.B. 1988. Persistance and leaching of atrazine alachlor and cyanozine under no-tillage practices. Chemosphere 17: 175-187.
[50] Hinen J.A. 1990. Evaluation of rye varieties for weed suppression in NT corn. Proc. 1990 South. Cons. Til. Conf. bul. 90-1, North Carolina, 49-51.
[51] House G.J., Parmelee R.W. 1985. Comparison of soil arthropods earthworms from conventional and no-tillage agroecosystem. Soil and Tillage Res. 5: 351-360.
[52] Howard D.D., Muller M.D. 1991. Evaluation of in-furrow and banded starter N, P, K nutrient combination for no-tillage corn production. J. Fert. Issues 8: 34-39.
[53] Hunt P.G., Matheny T.A., Karlen D.L., Roach S.H. 1990. Performance of corn, wheat and cotton in two-year rotation on a Norfolk loamy soil after 10 years of conservation or conventional tillage. Proc. 1990 South. Con Til. Conf. sp. bul. 90-1, 69-71.
[54] Jsensee A.R., Helling C.S. 1988. Ground water residues of atrazine, alachlor and cyanazine under no-tillage practices. Chemosphere 17: 165-174.
[55] Johnson J.R., Hurst H., Stevens G. 1992. Field changes after 10 years of continuous no-till soybeans. Proc. 1992. South. Cons. Til. Conf. Pub. 92-01, Tennessee, 88-93.
[56] Kanwor R.S., Baker J.L., Laflen J.M. 1985. Nitrate movement through the soil profile in relation to tillage system and fertilizer aplication method. Trans. ASAE 29: 1802-1807.
[57] Karten O.L.,Sojka R.E. 1985. Hybrid and irrigation effects on conservation tillage corn in the Coastal Plain. Agron. J. 77: 561-567.
[58] Karlen O.L., Gooden D.T. 1987. Tillage systems for wheat production in the Southeastern Coastal Plains. Agron. J. 79: 582-587.
[59] Karlen O.L. 1990. Conservation tillage and soil tilth - a sustainable combination. Proc. 1990 South. Cons. Til. Conf. sp. bul. 90-1, North Carolina, 22-25.
[60] Karlen D.L., Berry S.C., Colvin T.S., Kanwor R.S. 1985. Twelve-year tillage and crop rotation effects on yields and soil chemical properation in Northeast Iowa. Commun. Soil Aci. Plant Annual 22: 1985-2003.
[61] Khalilian A., Hood C.E., Palmer J.H., Holbrook F. 1988. Interseeding conservation system: compaction and plant response. Proc. 1988 South Cons. Til. Conf. sp. bul. 88-1, 34-37.
[62] Khalilian A., Hood C.E. 1990. Soil compaction and crop response to wheat-soybean interseeding. Proc. 90-1528. Int. ASAE Chicago II.
[63] Kigery R.C., Reeres D.W., Edwards J.H. 1988. Response of corn hybrids differing in root morphology to conservation tillage systems. Proc. 1988 South Cons. Til. Conf. bul. 88-1, Mississipi, 41-43.
[64] Lamb J.A., Peterson G.A., Fenster C.R. 1985. Wheat fallow systems effect on a newly cultivated grassland soils nitrogen budget. Soil. Sci. Soc. Am. J. 49: 352-356.
[65] Langdale G.W., Leonard R.A. 1983. Nutrient and sediment losses associated with conventional and reduced tillage agricultural practices. Coll. Agr. spe. publ. 23: Athens.
[66] Langdale G.W., Bruce R.R. Tomas A.W. 1987. Restoralion of eroded southern Piedmont land in conservation tillage systems. Soil. Cons. Am. Ankeny IA: 142-143.
[67] McGregor K.C., Green J.D. 1982. Erosion control with no-till and reduced till corn for silage and grain. Transactions ASAE 25: 154-159.
[68] McGregor K.C., Mutchler C.K., Cullum R.F. 1991. Soil erosion effects on soybean yield. Am. Soc. of Agr. Eng. 91, Chicago IL., 2626.
[69] Moore S.H., Kovar J.L., Braverman M.P., Vidrine R.R. 1992. Canopy development of wheat in convenlional, reduced, and no till tillage systems. Proc. 1992 South. Cons. Til. Conf. 92-01, Tennessee, 56-58.
[70] Morrison J.E., Potter K.N. 1992. Fertilizer solution placement with a coutter-nozzle applicator for no-till. Proc. 1992 South. Cons. Til. Conf. 92-01, Tennessee, 113.
[71] Mueller D.R., Wendt R.C., Daniel T.C. 1984. Soil and water losses as affected by tillage and manure application. Soil Sci. Soc. Am. J. 48: 896-900.
[72] Mueller M.D., Howard D.D. 1992. Horizontal and vertical distributions of soil C, N, P, K and pH in continuous no-tillage corn production. Proc. 1992 South. Cons. Til. Conf. 92-11, Tennessee, 6-10.
[73] Mutchler C.K., Green J.D. 1984. Reduced tillage for soybeans. Trans. ASAE 27: 1364-1369.
[74] Myers P.C. 1983. Why conservation tillage. J. Soil Water Con. 38(3): 136.
[75] Ne Smith D.S., Radchiffe D.E., Hargrove W.L., Clark R.L., Tollner E.W. 1987. Soil compaction in doublecropped wheat and soybeans on a Ultisol. Soil Sci. Am. J. 51: 183-186.
[76] Ne Smith D.S., Hargrave W.L., Radchiffe D.E. 1987. Tillage and residue management effects on properties of an ultisol and double-cropped soybean production. Agron. J. 79: 570-576.
[77] Newhouse K.E., Crosbie T.H. 1986. Interactions of maize hybrids with tillage system. Agron. J. 78: 951-954.
[78] Office of Technology Assesment. 1982. Impact of technology on U.S. cropland and rangeland productivity. Library of Congress Catalog Card 82-600596 Washington D.C.
[79] Ortiz R.A., Gallaher R.N. 1984. Organic matter and nitrogen in an ultisol as affected by tillage systems, after seven years. Proc. of Seveth South no-tillage systems, Alabama.
[80] Ott S.L., Dabney S.M. 1989. Corn production and profitability as influenced by tillage. Proc. 1989 South Cons. Til. Conf. sp. bul. 89-1, Florida, 29-33.
[81] Power J.F., Wilhelm W.W., Daran J.W. 1986. Crop residue effects on soil environment and dryland maize and soybean production. Soil Tillage Res. 8: 101-111.
[82] Putnam A.R., Frank J.D. 1983. Exploitation of allelopathy for weed control in annual and perennial cropping systems. J. Chem. Ecol. 9: 1001-1010.
[83] Putnam A.R. 1988. Allelopathy: problems and opportunities in weed management. Ecol. Approchis 77-78.
[84] Reginelli D.B., Buchring N.W., Ivey R.L. 1991. Wheat response to tillage systems and planting dates. Proc. 1991 South Cons. Til. Conf. sp. rap. 148, 68-71.
[85] Rhoads F.M. 1988. Influence of irrigation and conservation tillage on corn and soybean yields. Proc.- 1988 South Cons. Til. Conf. sp. pub. 88-1, Mississippi, 44-48.
[86] Sawer T.J., Daniel T.C. 1987. Effect of tillage system on run off lasses of surface-applied pesticides. Soil Sci. Soc. Am J. 51: 410-415.
[87] Sharpe R.R., Touchton J.T., Reeves D.W. 1988. Influence of tillage systems on wheat yields and the need for in-row subsoiling for doublecropped soybeans. Proc. 1988 South Cons. Til. Conf. sp. bul. 88-1, Mississippi, 76-78.
[88] Shilling D.G., Liebl R.A. 1985. Rye (Secale cereale L.) and wheat (Triticum aestivum L.) mulch. The suppression of certain broadleaved weeds and the isolation and identification of phytotoxins. Am. Chemical Soc. 243-271.
[89] Shilling D.G. 1988. Intluence of mulch, tillage and diphenamid on weed control, and quality in no-till. Sci. of Allelo., 287-293.
[90] Some S., Hargrove W.L., Radchiffe D.E. 1992. Effect of intercropping and residue management on soil water depletion plant biomass and grain production. Proc. 1992 South Cons. Til. Conf. 92-01, Tennessee,120-125.
[91] Stevens W.E., Johnson J.R., Hurst H.R.1987. Weed population changes in no-till soybeans. MAFES bul. 954 Miss. S. U.
[92] Tollner E.W., Hargrove W.L., Langdole G.W. 1984. Influence of conventional and no-till practices on soil physical properties in the Southern Piedmont. J. Soil and Waier Cons. 39: 73-76.
[93] Tylor D.D., Tomas G.W. 1979. Lysimeter measurement of nitrate and chloride lasses from conventional and no-tillage corn. J. Environ. Qual. 6: 63-64.
[94] Tylor D.D., Wilson G.V., Lagon J., Tomas G.W., Blevins R.L., Coldwell W.F., Dravilles D. 1992. Tillage and cover crop effects on nitrate leaching. Proc. 1992 South Cons. Til. Conf. 92-01, Tennessee, 1-6.
[95] Triplett G.B., Conner B.J., Edwards W.M. 1978. Transport of atrazine and simazine in runoff from conventional and no-tillage corn. J. Environ. Qual. 7: 77-84.
[96] Triplett G.B. 1986. Crop management practices for surface tillage systems. Inc. New. York.
[97] Triplett G.B. 1988. The tillage revolution and the impact of conservation mandats in the southern region. Proc. 1988 South Cons. Til. Conf. bul. 88-1, Mississippi, 1-5.
[98] White R.H., Worsham A.D., Blum U. 1989. Allelopathic potential of legume debris and aqueous extracts. Weed Sci. 37: 674-679.
[99] Wiese A.F., Unger P.W. 1983. Irrigation, dryland farming and limited tillage - a profitable combination. J. Soil and Water Conserv. 38: 233-236.
[100] Wilkinson S.R., Devine O.J., Belesky D.P., Dobson J.W., Dowson R.W. 1987. No-tillage intercropped corn production in tall fescue sod as affected by sod-control and nitrogen fertilization. Agron. J. 79: 985-690.
[101] Wood C.W., Edwards J.H., Cummins C.G. 1991. Tillage and rotation effects on soil organic matter. Proc. 1991 South Cons. Til. Conf. sp. rap. 148, Arkansas, 103-106.
[102] Worsham A.D. 1980. No-till corn. Proc. Ann. Corn and Soybean Res. Conf. Am. Seed Trade Assoc. 35, 146-163.
[103] Worsham A.D. 1989. Current and potential techniques using allelopathy as an aid in weed management. Phytochemical Ecology 275-289.
[104] Worsham A.D., Lewis W.M. 1985. Weed management: Key to no-tillage crop protection. Proc. South No-Till Conf., Athens, 177-188.
[105] Wright D.L. 1989. Facts about starter fertilizer in corn. Univ. of Fl. Sp. Serv. Agr. 707, 1-2.
[106] Wright D.L. 1989. Starter fertilizer placement in no-till corn. Proc. 1989 South Cons. Til. Conf. Bul. 89-1, Florida, 27-28.
[107] Wright D.L., Lilly D.P., Teary J.D. 1990. Planting tropical corn in minimum tillage system. Proc. South Cons. Til. Conf. Sp. bul. 91-1 , 81-83.
[108] Wright D.L., Kidd B.T. 1991. Silage comparisons of tropical and temperate corn at four planting dates for multiple cropping systems. Proc. 1991 South Cons. Til. Conf. Sp. bul. 90-1, North Carolina, 107-112.
[109] Wright D.L., Kidd B.T. 1992. Influence of tillage methods on wheat production following different crop. Proc. 1992 South Cons. Til. Conf. Sp. bul. 92-01, Tennessee, 59-62.