Saini, M., Price, A.J., Van Santen, E., Arriaga, F.J., Balkcom, K.S., Raper, R.L. 2008. Planting and Termination Dates Affect Winter Cover Crop Biomass in a Conservation-Tillage Corn-Cotton Rotation: Implications for Weed Control and Yield. In: Proceeding of the 30th Southern Conservation Agricultural Systems Conference, July 29-31, 2008, Tifton, GA. CDROM.
Price, A.J., Arriaga, F.J., Balkcom, K.S., Bergtold, J.S., Kornecki, T.S., Raper, R.L. 2008. Winter Cereal Termination and Conservation Agriculture Cotton Yield Following Mechanical and Chemical Management Systems [Abstract]. Soil and Water Conservation Society. CDROM.
Schomberg, H.H., Reeves, D.W., Fisher, D.S., Raper, R.L., Endale, D.M., Jenkins, M. 2008. Evaluating stocker cattle in a Southern Piedmont conservation tillage cotton-cover crop system to increase productivity. In: (D.M. Endale, Ed.) Proceedings of 30th Southern Agriculture Systems Conference, and 8th Annual Georgia Conservation Production Systems Training Conference, July 29-31, Tifton, Georgia.
Raper, R.L., Schwab, E.B. 2008. Development of an In-row Subsoiler Attachment to Reduce Smearing. In: Proceedings of the ASABE Annual International Meeting. CDROM.
Price, A.J., Arriaga, F.J., Balkcom, K.S., Bergtold, J.S., Kornecki, T.S., Raper, R.L. 2008. Tillage System and Cereal Rye Residue Affects Pigweed Establishment and Competitiveness in Cotton. In: Boyd, S., et al, editors. Proceedings of the National Cotton Council Beltwide Cotton Conference, January 8-11, 2008, Nashville, Tennessee. p. 1703-1705.
Raper, R.L., Arriaga, F.J., Balkcom, K.S., Shaw, J.N., Reeves, D.W., Schwab, E.B. 2008. Conservation system and landscape effects on soil strength in a cotton/corn rotation. In: Boyd, S., et al, editors. Proceedings of the National Cotton Council Beltwide Cotton Conference, January 8-11, 2008, Nashville, Tennessee. p. 1603-1607.
Arriaga, F.J., Raper, R.L., Balkcom, K.S., Kornecki, T.S., Price, A.J., Bergtold, J.S. 2008. Benefits of Alternating the Shank Location on a Bent-leg Strip-till. In: Boyd, S., et al, editors. Proceedings of the National Cotton Council Beltwide Cotton Conference. p. 1608-1611.
Simoes, P.P., Raper, R.L., Arriaga, F.J., Balkcom, K.S., Shaw, J.N., Schwab, E.B. 2008. Conservation systems effects on soil carbon, strength and hydraulic properties. In: Boyd, S., et al, editors. Proceedings of the National Cotton Council Beltwide Cotton Conference, January 8-11, 2008, Nashville, Tennessee. p. 1673-1677.
Gacengo, C.N., Wood, C.W., Shaw, J.N., Balkcom, K.S., Raper, R.L. 2007. Effects of soil management and landscape factors on greenhouse gas emissions [abstract]. Southern Branch American Society of Agronomy Branch Annual Meeting. 2007 CDROM.
Causarnao, H.J., Franzluebbers, A.J., Shaw, J.N., Reeves, D.W., Raper, R.L., Wood, C.W. 2008. Soil organic carbon fractions and aggregation in the Southern Piedmont and Coastal Plain. Soil Science Society of America Journal. 72:221-230.
Price, A.J., Raper, R.L., Bergtold, J.S. 2007. Vertical Simulated Weed Seed Movement Following Various Tillage Practices and Overhead Irrigation Intensities. Proceedings of 29th Southern Conservation Agriculture Systems Conference. CDROM.
Arriaga, F.J., Balkcom, K.S., Raper, R.L., Kornecki, T.S. 2007. Alternating the Shank Location on a Paratill Every Other Year Provides Some Benefits. In: Wright, D.L., Marsis, J.J., Scanbou, K.S., editors. Proceedings of the Southern Conservation Tillage Systems Conference, June 25-27, 2007, Quincy, Florida. p. 3-6.
Raper, R.L., Reeves, D.W., Shaw, J.N., Van Santen, E., Mask, P.L. 2007. Benefits of site-specific subsoiling for cotton production in coastal plain soils. International Journal of Soil and Tillage Research. 96:174-181.
Raper, R.L., Bergtold, J.S. 2007. In-Row Subsoiling: A Review and Suggestions for Reducing Cost of this Conservation Tillage Operation. Applied Engineering in Agriculture. 23(4):463-471.
Stone, A., Kemble, J., Raper, R.L., Fields, D. 2006. Development of a more sustainable sweetpotato production system for alabama [abstract]. Proceedings of the National Sweetpotato Collaborators Group Meeting, February 5-6, 2005, Little Rock, Arkansas.
Gacengo, C.N., Wood, C.W., Shaw, J.N., Balkcom, K.S., Price, A.J., Raper, R.L., Wood, B. 2007. Decomposition and Nutrient Release of Cover Crops on Different Landscape Positions [abstract]. Southern Branch American Society of Agronomy Annual Meeting. 2007 CDROM.
Roberson, T., Nyakatawa, E.Z., Reddy, K.C., Raper, R.L. 2006. Carbon Dioxide Efflux From Poultry Litter Applied Soils under Conservation Tillage Systems in North Alabama. Proceedings of the Workshop on Agricultural Air Quality, June 5-8, 2006, Washington, D.C. p.1057-1058.
Tekeste, M.Z., Raper, R.L., Tollner, W.E., Way, T.R. 2007. Finite Element Analysis of Cone Penetrometer in Soil for Prediction of Hardpan Location. Transactions of the ASABE. 50(1):23-31.
Raper, R.L., Schwab, E.B., Bergtold, J.S., Price, A.J., Balkcom, K.S., Arriaga, F.J., Kornecki, T.S. 2006. Maximizing Rye Cover Crop Biomass Production by the Use of Timely Subsoiling [Abstract]. Auburn University Symposium ¿Energy Solutions for Alabama Natural Resources¿, October 23-24, 2006, Auburn, AL.
Arriaga, F.J., Balkcom, K.S., Price, A.J., Raper, R.L. 2006. Tillage Timing of Different Conservation Implements for Cotton Production in a Coastal Plain Soil of Central Alabama, USA. In: Proceedings of the International Soil Tillage Research Organization Conference, August 28 - September 3, 2006, Kiel, Germany. p. 490-495.
Balkcom, K.S., Arriaga, F.J., Raper, R.L. 2006. Conservation systems for cotton production in central alabama. In: Sustainability - Its Impact on Soil Management and Environment, Proceedings of 17th International Conference of the International Soil Tillage Research Organization, August 28 - September 3, 2006, Kiel, Germany. p. 462-466.
Kornecki, T.S., Price, A.J., Raper, R.L. 2006. Managing cover crops in conservation agriculture using rollers/crimpers. In: Sustainability - Its Impact on Soil Management and Environment, Proceedings of 17th International Conference of the International Soil Tillage Research Organization, August 28 - September 3, 2006, Kiel, Germany. p. 483-489.
Arriaga, F.J., Balkcom, K.S., Price, A.J., Kornecki, T.S., Raper, R.L. 2006. Conservation Agriculture for Cotton Production in a Coastal Plain Soil of Central Alabama, USA [abstract]. World Congress of Soil Science. CDROM.
Celik, A., Raper, R.L. 2006. Development of a ground driven rotary subsoiler for conservation tillage systems. In: Proceedings of the Southern Conservation Tillage for Sustainable Agriculture, June 26-28, 2006, Amarillo, TX.
Gacengo, C.N., Wood, C.W., Shaw, J.N., Balkcom, K.S., Raper, R.L. 2006. Effect of Soil Management and Landscape Position on CH4, N2O, and CO2 Fluxes. In: Schwartz, R.C., Baumhardt, R.L., and Bell, J.M., editors. Proceedings of the 28th Southern Conservation Systems Conference, June 26-28, 2006, Amarillo, Texas. USDA-ARS Conservation and Production Research Laboratory, Report No. 06-1, Bushland, Texas.
Arriaga, F.J., Price, A.J., Raper, R.L. 2006. Winter Cover Biomass Production and Soil Penetrability. In: Proceedings of the Southern Conservation Tillage Systems Conference. USDA-ARS Conservation and Production Research Laboratory, Report No.06-1, Bushland, Texas. p. 211-216.
Anand, M., Bergtold, J.S., Siri-Prieto, G., Reeves, D.W., Raper, R.L., Morton, T.A. 2006. Profitability of production systems with cotton and peanuts incorporating winter annual grazing [abstract]. Southern Conservation Tillage Systems Conference. CDROM
Siri-Prieto, G., Reeves, D.W., Raper, R.L. 2007. Tillage requirements for integrating winter-annual grazing in cotton production: plant water status and productivity. Soil Science Society of America Journal. 71(1):197-205.
Raper, R.L., Arriaga, F.J. 2006. Effect of vehicle load, transducer depth, and transducer type on soil pressures. ASAE Annual International Meeting, St. Joseph, Michigan. Paper No. 051159. p. 15.
Fulton, J., Raper, R.L., Mcdonald, T., Tyson, T. 2006. Fuel conservation strategies for the farm. Alabama Cooperative Extension System Timely Information Sheets BSEN-06-02, April 2006.
Kornecki, T.S., Price, A.J., Raper, R.L., Stoll, Q.M. 2006. Effectiveness of different roller designs on managing rye as a cover crop in no-till cotton. In: Proceedings of the 28th Annual Southern Conservation Systems Conference. p. 151-161.
Raper, R.L., Kirby, J.M. 2006. Soil compaction: how to do it, undo it, or avoid doing it. ASABE 2006 Distinguished Lecture Series. ASABE, St. Joseph, Michigan.
Arriaga, F.J., Balkcom, K.S., Raper, R.L. 2005. Conservation systems for cotton production. [abstract] Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting. 2005 CDROM.
Causarano, H.J., Franzluebbers, A.J., Shaw, J.N., Reeves, D.W., Raper, R.L., Wood, C.W., Norfleet, M.L. 2005. Management effects on soil organic carbon in the Piedmont and coastal plain [abstract]. ASA-CSSA-SSSA Annual Meeting, November 6-10, 2005, Salt Lake City, Utah. CD-ROM.
Bergtold, J.S., Terra, J.A., Reeves, D.W., Shaw, J.N., Balkcom, K.S., Raper, R.L. 2005. Spatial variability in net returns for conservation tillage systems with alternative mixtures of high residue cover crops [abstract]. American Society of Agronomy Abstracts.
Veal, M.W., Taylor, S.E., Rummer, R.B., Raper, R.L. 2005. Plow power requirements for forestry site preparation. International Journal of Forest Engineering. 16(2):129-136.
Terra, J.A., Shaw, J.N., Reeves, D.W., Van Santen, E., Raper, R.L., Balkcom, K.S., Schwab, E.B. 2005. Soil management practices and landscape attributes impacts on field-scale corn productivity. In: Proceedings of the 16th International Soil Tillage Research Organization (ISTRO) Conference, July 13-18, 2003, Brisbane, Australia. p. 1217-1222. CD-ROM.
Raper, R.L., Reeves, D.W., Shaw, J.N., Van Santen, E., Mask, P. 2006. Using site-specific subsoiling to minimize draft and optimize corn yields. Transactions of the ASAE. 48(6):2047-2052.
Terra, J.A., Reeves, D.W., Shaw, J.N., Raper, R.L. 2005. Impacts of landscape attributes on c sequestration during the transition from conventional to conservation management practices on a coastal plain field. Journal of Soil and Water Conservation Society. 60(6):437-446.
Raper, R.L., Arriaga, F.J. 2005. Effect of vehicle load, transducer depth, and transducer type on soil pressures. ASAE Annual International Meeting. Paper No.051159.
Raper, R.L., Reeves, D.W., Shaw, J.N., Van Santen, E., Mask, P.L. 2005. Site-specific subsoiling benefits for cotton production. ASAE Annual International Meeting. Paper No. 051025.
Tekeste, M.Z., Raper, R.L., Tollner, E.W., Way, T.R. 2005. Effect of soil moisture, soil density, and cone penetrometer material on finite element prediction of soil hardpan depth. ASAE Annual International Meeting. Paper No. 051164.
Truman, C.C., Schwab, E.B., Raper, R.L., Balkcom, K.S. 2005. Paratilling frequency effects on runoff and soil loss for no-till systems in TN Valley region of AL. IN: Southern Conservation Tillage System Conference. Clemson University, Florence, South Carolina, 06/27-29/2005. P213.
Kornecki, T.S., Raper, R.L., Arriaga, F.J., Balkcom, K.S., Price, A.J. 2005. Effects of rolling/crimping rye direction and different row-cleaning attachments on cotton emergence and yield. In: Proceedings of the Southern Conservation Tillage Systems Conference, June 27-29, 2005, Clemson University, Florence, South Carolina. p. 169-177.
Jones, J.R., Price, A.J., Raper, R.L., Kornecki, T.S. 2005. Evaluation of a mechanical roller-crimper and reduced glyphosate rates on cover crop desiccation in cotton [abstract]. In: Proceedings of the Southern Conservation Tillage Systems conference, June 27-29, 2005, Florence, South Carolina. p. 168.
Arriaga, F.J., Balkcom, K.S., Raper, R.L. 2005. Soil moisture and cotton leaf temperature in conservation systems. In: Proceedings of the Southern Conservation Tillage Systems Conference, June 27-29, 2005, Clemson University, Florence, South Carolina. p.111-112.
Prior, S.A., Reicosky, D.C., Runion, G.B., Raper, R.L. 2005. Characterization of soil gas efflux patterns associated with tillage implements. In: Busscher, W., Frederick, J. and Robinson S., editors. The Science of Conservation Tillage: Continuing the Discoveries, Proceedings of the 27th Annual Southern Conservation Tillage Conference for Sustainable Agriculture, June 27-29, 2005, Florence, South Carolina. p. 143-147.
Bergtold, J.S., Terra, J.A., Reeves, D.W., Shaw, J.N., Balkcom, K.S., Raper, R.L. 2005. Profitability and risk associated with alternative mixtures of
high-residue cover crops. In: Proceedings of the 27th Annual Southern Conservation Tillage for Sustainable Agriculture, June 27-29, 2005, Florence, South Carolina. p.113-121.
Raper, R.L., Reeves, D.W., Shaw, J.N., Van Santen, E., Mask, P.L. 2005. Site-specific subsoiling benefits for cotton production [abstract]. American Society for Agricultural Engineers. Paper No. 051025.
Smith, C.W., Raper, R.L., Hung, J. 2005. Controller design for the omis (on-the-fly mechanical impedance sensor) [abstract]. ASAE Annual International Meeting, St. Joseph, Michigan.
Balkcom, K.S., Terra, J.A., Shaw, J.N., Reeves, D.W., Raper, R.L. 2005. Soil management system and landscape position interactions on nutrient distribution in a coastal plain field. Journal of Soil and Water Conservation. 60(6):431-437.
Terra, J.A., Reeves, D.W., Shaw, J.N., Van Santen, E., Raper, R.L., Mask, P.L. 2005. Soil management and landscape variability affects field-scale cotton productivity. Soil Science Society of America Journal. 70:98-107.
Tekeste, M.Z., Raper, R.L., Schwab, E.B. 2005. Soil variability of soil cone penetration resistance as influenced by soil moisture on pacolet sandy loam soil in the southeastern united states. In: Proceedings of the 27th Annual Southern Conservation Tillage for Sustainable Agriculture, June 27-29, 2005, Florence, South Carolina.
Siri-Prieto, G., Reeves, D.W., Raper, R.L., Gamble, B.E. 2005. Forage and tillage systems for integrating winter-grazed stocker cattle in cotton production. In: Proceedings of the 27th Southern Conservation Tillage Systems Conference, Florence, SC, June 27-29, 2005. p. 160-161.
Gamble, B., Siri-Prieto, G., Reeves, D.W., Raper, R.L. 2005. Forage and tillage systems for integrating winter-grazed stocker cattle in peanut production. In: Proceedings of the 27th Southern Conservation Tillage Conference. June 27-29, 2005, Florence, South Carolina. p. 162-164. CDROM.
Raper, R.L. 2005. Force requirements and soil disruption of straight and bentleg subsoilers for conservation tillage systems. Applied Engineering in Agriculture. 21(5):787-794.
Hall, E., Raper, R.L. 2005. Development and concept evaluation of an on-the-go soil strength measurement system. Transactions of the ASAE. 48(2):469-477.
Reeves, D.W., Siri-Prieto, G., Raper, R.L., Gamble, B. 2008. Conservation tillage for integrating winter-grazing of cattle in cotton production [abstract]. International Soil Tillage Research Organization Abstracts.
Raper, R.L., Schwab, E.B., Balkcom, K.S., Reeves, D.W. 2005. Frequency of in-row subsoiling necessary for coastal plains soils. In: Richter, D.F., editors. Proceedings of the 2005 National Cotton Council Beltwide Cotton Conference, January 4-7, 2005, New Orleans, Louisiana. p. 2488-2491.
Chiroux, R.C., Foster Jr., W.A., Johnson, C.E., Shoop, S.A., Raper, R.L. 2005. Three dimensional finite element analysis of soil interaction with a rigid wheel. Applied Mathematics and Computation. 162(2):707-722.
Balkcom, K.S., Terra, J.A., Shaw, J.N., Reeves, D.W., Raper, R.L. 2004. Soil management system and landscape position interactions on nutrient distribution in a coastal plain field [abstract]. American Society of Agronomy Meetings. CDROM
Raper, R.L., Sharma, A.K. 2004. Soil moisture effects on energy requirements and soil disruption of subsoiling a coastal plain soil. Transactions of the ASAE. 47(6):1899-1905.
Terra, J.A., Shaw, J.N., Reeves, D.W., Raper, R.L., Van Santen, E., Mask, P.L. 2004. Soil carbon relationships with terrain attributes, electrical conductivity surveys and soil map units in a coastal plain landscape. Soil Science. 169:819-831.
Raper, R.L., Schwab, E.B., Balkcom, K.S., Burmester, C.H., Reeves, D.W. 2004. Frequency of in-row subsoiling required for southeastern u.s. silt loam soils. American Society of Agricultural Engineers. ASAE Paper No. 041083. (Technical handout) August 1-4, 2004, St. Joseph, Minnesota. p. 12.
Siri-Prieto, G., Reeves, D.W., Raper, R.L. 2004. Winter-annual grazing and tillage system effects on peanut production in the soughern coastal plain [abstract]. American Society of Agronomy-Crop Science Society of America-Soil Science Society of America Annual Meetings. Paper Number 42193. CDROM. Available from ASA/CSSA/SSA.
Roberson, T., Reddy, C., Nyakatawa, E., Raper, R.L. 2004. Soil carbon in conventional and conservation tillage systems in north america [abstract].American Society of Agronomy Meetings. CDROM
Causarano, H.J., Shaw, J.N., Franzluebbers, A.J., Reeves, D.W., Raper, R.L. 2004. Relating soil organic carbon distribution to landscape variability in a piedmont pasture [abstract]. American Society of Agronomy-Crop Science Society of America-Soil Science Society of America Annual Meetings. 31 October - 4 November 2004, Seattle, Washington. CDROM.
Terra, J.A., Reeves, D.W., Shaw, J.N., Van Santen, E., Raper, R.L., Mask, P.L. 2004. Impacts of landscape attributes on c sequestration during the transition from conventional to conservation management practices [abstract]. American Society of Agronomy-Crop Science Society of America-Soil Science Society of America Annual Meetings, October 31 - November 4, 2004, Seattle, Washington. Paper Number 2494. CDROM.
Tekeste, M.Z., Raper, R.L., Schwab, E.B. 2004. Effects of soil drying on soil cone penetration resistance for norfolk sandy loam soils. In: Proceedings of the 7th International Conference on Precision Agriculture, July 25-28, 2004, Minneapolis, Minnesota.
Raper, R.L., Reeves, D.W., Shaw, J.N., Van Santen, E., Mask, P.L. 2004. Site-specific tillage benefits on coastal plains soils. In: Proceedings of the 26th Annual Southern Conservation Tillage Conference for Sustainable Agriculture, June 7-9, 2004, Raleigh, North Carolina.
Kornecki, T.S., Raper, R.L., Price, A.J. 2004. Effectiveness in terminating cover crops using different roller implements. In: Proceedings of the 26th Annual Southern Conservation Tillage Conference for Sustainable Agriculture, June 7-9, 2004, Raleigh, North Carolina.
Raper, R.L., Reeves, D.W. 2004. Reducing soil compaction with in-row subsoiling and controlled traffic. In: Proceedings of Session IV of the 2004 CIGR International Conference, October 11-14, 2004, Beijing, China. p.69-78.
Raper, R.L. 2004. Selecting subsoilers to reduce soil compaction and minimize residue burial. Meeting Proceedings. In: Proceedings of Session IV of the 2004 CIGR International Conference, October 11-14, 2004, Beijing, China. p. 135-143.
Raper, R.L., E.B. Schwab, C.H. Burmester, D.W. Reeves, and K.S. Balkcom. Minimum subsoiling frequency for conservation systems in the Tennessee Valley. p. 904-907. In D.F. Richter (ed.) Proc. 2004 Beltwide Cotton Conf., San Antonio, TX. 5-9 Jan. 2004. Natl. Cotton Counc. of Am., Memphis, TN. (Conference Proceedings)
Roberson, T., Nyakatawa, E.Z., Reddy, K.C., Raper, R.L. 2004. Soil co2 effluxes in conventional and conservation tillage systems with poultry litter application. National Cotton Council Beltwide Cotton Conference, January 5-9, 2004, San Antonio, Texas.
Terra, J.A., Reeves, D.W., Shaw, J.N., Raper, R.L., Van Santen, E., Mask, P.L. 2003. Conservation system and soil landscape unit impacts on corn and cotton yield variability [abstract].ASA-CSSA-SSSA 2003 Meeting. CDROM
Siri-Prieto, G., Reeves, D.W., Bransby, D.I., Raper, R.L., Gamble, B.E. 2004. Integrating livestock in cotton production in the coastal plain: influence of winter pasture and tillage. National Cotton Council Beltwide Cotton Conference. 2004. p. 2507-2508.
Terra, J.A., Reeves, D.W., Shaw, J.N., Van Santen, E., Mask, P.L., Raper, R.L. Conservation system impacts on cotton water relatonship and productivity at the landscape level. National Cotton Council Beltwide Cotton Conference. 2004. p. 2581-2582.
Siri-Prieto, G.C., Reeves, D.W., Raper, R.L. 2003. Tillage system impacts on cotton productivity and soil water following winter annual grazing in the coastal plain [abstract]. American Society of Agronomy Meetings.
Raper, R.L., Reeves, D.W., Shaw, J.N., Van Santen, E., Mask, P.L., Grift, T.E. 2003. Reducing draft requirements and maintaining crop yields with site-specific tilage. In: Proceedings of the 16th International Soil Tillage Research Organization Proceedings (ISTRO) Conference. July 13-18, 2003,Brisbane, Australia. p. 961-965.
Siri-Prieto, G., Reeves, D.W., Raper, R.L. 2003. Conservation tillage systems for cotton and peanut following winter-annual grazing. In: Proceedings of the 16th Internatinal Soil Tillage Research Organization (ISTRO) Conference, July 14-19, 2003, Brisbane, Australia. p. 1143-1148.
Terra, J.A., Reeves, D.W., Shaw, J.N., Raper, R.L., Van Santen, E., Mask, P.L. 2003. Soil management, terrain attributes and soil variability impacts on cotton yields. In: Proceedings of the 16th International Soil Tillage Research Organization (ISTRO) Conference, July 13-18, 2003, Brisbane, Australia. p. 1217-1222.
Motta, A.V., Reeves, D.W., Burmester, C.H., Raper, R.L. 2003. Effects of tillage systems, rotations and cover crop on soil strength. Proceedigs of the II World Cogress on Conservation Agriculture-Producing in Harmony with Nature. p. 494-497.
Truman, C.C., Reeves, D.W., Shaw, J.N., Motta, A., Burmester, C.H., Raper, R.L., Schwab, E.B. 2003. Tillage impacts on soil property, runoff, and soil loss variations from a rhodic paleudult under simulated rainfall. Journal of Soil and Water Conservation Society. 58(5):258-267.
Price, A. J., P. A. Simionescu, T. S. Kornecki, R. L. Raper, and D. W. Reeves. 2003. Improved roller technology for cover crop management. Proceedings: II World Congress on Conservation Agriculture. pp. 322-325.
Siri-Prieto, G., Reeves, D.W., Raper, R.L., Brans, D. 2003. Conservation tillage systems for cotton and peanut following winter-annual grazing. International Soil Tillage Research Organization Abstracts.
Tekeste, M.Z., Grift, T.E., Raper, R.L. 2002. Acoustic compaction layer detection. American Society of Agricultural Engineers, St. Joseph, Michigan. ASAE Paper No. 02-1089. p. 21.
Siri-Prieto, G., Reeves, D.W., Raper, R.L., Bransby, D.I., Gamble, B.E. 2003. Integrating winter annual grazing in a cotton-peanut rotation: forage and tillage system selection. Sod-Based Cropping Systems Conference.
Raper, R.L., Reeves, D.W., Shaw, J., Van Santen, E., Mask, P., Grift, T.E. 2003. Effect of site-specific tillage on draft requirements and cotton yield. Proceedings of the 2003 Beltwide Cotton Conference. Nashville, TN, Jan. 7-11. 5 pp.
Terra, J.A., Reeves, D.W., Shaw, J.N., Raper, R.L., Van Santen, E., Mask, P.L. 2003. Spatial variation of cotton yield: influence of soil management and terrain attributes. National Cotton Council Beltwide Cotton Conference.
Raper, R.L. 2003. Soil compaction management. In Encyclopedia of Agricultural, Food, and Biological Engineering. Ed. D. Heldman. pp. 902-905. Marcell Dekker, Inc. NY, NY.
Raper, R.L. 2002. Force requirements and soil disruption of straight and bentleg subsoilers for conservation tillage systems. ASAE Paper No. 02-1139. ASAE, St. Joseph, MI. 17 pp. (Technical handout).
Raper, R.L., Sharma, A.K. 2002. Using soil moisture to determine when to subsoil. 25TH Annual Southern Conservation Tillage for Sustainable Agriculture Proceedings. June 24-26, 2002.
Veal, M.W., Taylor, S.E., Rummer, R.B., Raper, R.L. 2002. Evaluation of forestry plow energy requirements for site preparation. In Proceedings of the 25th Annual Meeting of the Council on Forest Engineering. Council on Forest Engineering, Corvallis, OR. June 16-19.