Publications
Obour, A.K., J.D. Holman, L.M. Simon, and A.J. Schlegel. 2012. Strategic tillage effect on crop yields, soil properties, and weeds in dryland no-tillage systems. Agronomy 2021, 11, 662. DOI:10.3390/agronomy11040662
Holman, J.D., L.A. Haag, A.J. Schlegel, and Y. Assefa. 2021. Yield components of dryland winter wheat genotypes and response to seeding rate. Argon. J. 113:1776-1791. DOI:10.1002/agj2.20607
Schlegel, A.J. and J. L. Havlin. 2020. Irrigated grain sorghum response to 55 years of nitrogen, phosphorus, and potassium fertilization. Agron. J. n/a:n/a. DOI:10.1002/agj2.20453
Holman, J.D., A. Schlegel, A.K. Obour, and Y. Assefa. 2020. Dryland cropping system impact on forage accumulation, nutritive value, and rainfall use efficiency. Crop Sci. 60:3395-3409. DOI:10.1002/csc2.20251
Schlegel, A.J., J.D. Holman, and Y. Assefa. 2020. A single tillage on a long-term no-till system on dryland crop performance. Agron. J. 112:3174-3187. DOI:10.1002/agj2.20284
Obour, A.K., J.D. Holman, and A.J. Schlegel. 2020. Spring triticale forage response to seeding rate and nitrogen application. Agrosyst Geosci Environ. 2020;3:e20053. DOI: 10.1002/agg2.20053
Munaro, L.B., T.J. Hefley, E. DeWolf, S. Haley, A.K. Fritz, G. Zhang, L.A. Haag, A.J. Schlegel, J.T. Edwards, D. Marburger, P. Alderman, S.M. Jones-Diamond, J. Johnson, J.E. Lingenfelser, S.H. Unêda-Trevisoli, and R.P. Lollato. 2020. Exploring long-term variety performance trials to improve enviroment-specific genotype x management recommendations: A case-study for winter wheat. J. Field Crops Research v255. DOI:10.1016/j.fcr.2020.107848
Havlin, J.L., and A.J. Schlegel. 2020. Enhancing phosphorus-use efficiency in crop production. Burleigh Dodds Series in Ag. Sci. DOI:10.19103/as.2019.0062.08
Schlegel, A.J., Y. Assefa, and D. O`Brien. 2020. Productivity and profitability of four crop rotations under limited irrigation. Applied Eng. Agric. 36(1):1-9. DOI:10.13031/aea.13416
Obour, A.K., J.D. Holman, and A.J. Schlegel. 2019. Seeding rate and nitrogen application effects on oat forage yield and nutritive value. J. Plant Nutrition 42:13, 1452-1460. DOI:10.1080/01904167.2019.1617311
Schlegel, A.J., Y. Assefa, L.A. Hagg, C.R. Thompson, and L.R. Stone. 2019. Soil water and water use in long-term dryland crop rotations. Argon. J. 111:2590-2599. DOI:10.2134/agronj2018.09.0623
Schwartz, R.C., A.J. Schlegel, J.M. Bell, R.L. Baumhart, and S.R. Evett. 2019. Contrasting tillage effects on stored soil water, infiltration and evaptranspiration fluxes in a dryland rotation at two locations. Soil and Tillage Research 190:157-174. DOI:10.1016/j.still.2019.02.013
Obour, A.K., A.J. Schlegel, R. Perumal, J.D. Holman, D. Ruiz Diaz. 2019. Evaluating grain sorghum hybrids for tolerance to iron chlorosis. J. Plant Nutrition. DOI:10.1080/01904167.2018.1549677
Rudnick, D. R., S. Irmak, C. West, I. Kisekka, T.H. Marek, J. Schneekloth, D. Mitchell McCallister, V. Sharma, K. Djaman, J. Aguilar, J.L. Chávez, M. Schipanski, D.H. Rogers, A.J. Schlegel. 2019. Deficit irrigation management of maize in the High Plains Aquifer region: A review. Journal of the American Water Resources Association. DOI:10.1111/1752-1688.12723.
Schlegel, A.J., Y. Assefa, L.A. Haag, C.R. Thompson, and L.R. Stone. 2019. Yield and overall productivity under long-term wheat-based crop rotations: 2000 through 2016. Agron. J. 111:264-274. DOI:10.2134/agronj2018.03.0171
Schlegel, A.J., Y. Assefa, L.A. Haag, C.R. Thompson, and L.R. Stone. 2018. Long-term tillage on yield and water use of grain sorghum and winter wheat. Agron. J. 110:269-280. DOI:10.2134/agronj2017.02.010 4
Schlegel, A.J., F.R. Lamm*, Y. Assefa, and L.R. Stone. 2018. Dryland corn and grain sorghum yield response to available soil water at planting. Agron. J. 110:236-245. DOI:10.2134/agronj2017.07.0398
Rogers, D.H., A.J. Schlegel, J.D.Holman, J.P. Aguilar, and I. Kisekka. 2016. Irrigation of grain sorghum. p. 13. In I.A. Ciampitti and P.V.V. Prasad (eds.) Sorghum: State of the Art and Future Perspectives. Agron. Monogr. 58. ASA and CSSA, Madison, WI. DOI:10:2134/agronmonogr58.2014.0072
Ciampitti, I.A., P.V.V. Prasad, A.J. Schlegel, L. Haag, R. W. Schnell, B. Arnall, and J. Lofton. 2017. Genotype x environment x management interactions: US sorghum cropping systems. p. 20. In I.A. Ciampitti and P.V.V. Prasad (eds.) Sorghum: State of the Art and Future Perspectives. Agron. Monogr. 58. ASA and CSSA, Madison, WI. DOI:10:2134/agronmonogr58.2014.0067
Kisekka, I. A.J. Schlegel, L. Ma, P.H. Gowda, and P.V.V. Prasad. 2017. Optimizing preplant irrigation for maize under limited water in the High Plains. Agric. Water Mgmt. 187:154-163. DOI:10.1016/j.agwat.2017.03.023
Schlegel, A.J., Y. Assefa, H.D. Bond, L.A. Haag, and L.R. Stone. 2017. Changes in soil nutrients after 10 years of cattle manure and swine effluent application. Soil Tillage Res. 172:48-58. DOI: 10.1016/j.still.2017.05.004
Lamm, F.R., D.H. Rogers, A.J. Schlegel, X. Lin, R.M. Aiken, N.L. Klocke, L. R. Stone, and L.K. Shaw. 2017. Trends in plant available soil water on producer fields of western Kansas. Applied Eng. Agric. 33(6):859-868. DOI: 10.13031/aea.12452
Holman, J.D., K. Arnet, A. Dille, I. Kisekka, S. Maxwell, A. Obour, T., Roberts, K. Roozeboom, and A.J. Schlegel. 2018. Can cover or forage crops replace fallow in the semiarid central Great Plains. Crop Sci. 58:1-13. DOI: 10.2135/cropsci2017.05.0324
Moberly, J.T., R.M. Aiken, X. Lin, A.J. Schlegel, R.L. Baumhardt, and R.C. Schwartz. 2017. Crop water production functions of grain sorghum and winter wheat in Kansas and Texas. J. Cont. Water Resource Res. Educ. 162:L42-60. DOI: 10.1111/j.1936-704x.03259x
Schlegel, A.J. and J.L. Havlin. 2017. Corn yield and grain nutrient uptake from 50 years of nitrogen and phosphorus fertilization. Agron. J. 109:335-342. DOI: 10.2134/agronj2016.05.0294
Adee, E., K. Roozeboom, G.R. Balboa, A.J. Schlegel, and I.A. Ciampitti. 2016. Drought-tolerant corn hybrids yield more in drought-stressed environments with no penalty in non-stressed environments. Front. Plant Sci. 7:1534. DOI:10.3389/fpls.2016.01534.
Schlegel, A.J., Y. Assefa, L.A. Haag, C.R. Thompson, J.D. Holman, and L.R. Stone. 2017. Yield and soil water in three dryland wheat and grain sorghum rotations. Agron. J. 109:227-238. DOI: 10.2134/agronj2016.07.0387
Schlegel, A.J., Y. Assefa, T.J.Dumler, L.A. Haag, L.R. Stone, A.D. Halvorson, and C.R. Thompson. 2016. Limited irrigation of corn-based no-till crop rotations in west central Great Plains. Agron. J. 108:1132-1141. DOI: 10.2134/agronj2015.0536
Schlegel, A.J., Y. Assefa, D. O’Brien, F.R. Lamm, L.A. Haag, and L.R. Stone. 2016. Comparison of corn, grain sorghum, soybean, and sunflower under limited irrigation. Agron. J. 108:670-679. DOI: 10.2134/agronj2015.0332
Schlegel, A.J., Y. Assefa, H.D. Bond, S.M. Wetter, and L.R. Stone. 2015. Corn response to long-term applications of cattle manure, swine effluent, and inorganic N fertilizer. Agron. J. 1701-1710. DOI: 10.2134/agronj14.0632
Schlegel, A.J., Y. Assefa, H.D. Bond, S.M. Wetter, and L.R. Stone. 2015. Soil physicochemical properties after 10 years of animal waste application. Soil Sci. Soc. Am. J. 79:711-719. DOI: 10.2136/sssaj2014.11.0461
Assefa, Y., K. Roozeboom, C.R. Thompson, A.J. Schlegel, L.R. Stone, and J. Lingenfelser. 2014. Corn and grain sorghum comparison: All things considered. Academic Press, Elsevier, Oxford, UK. DOI: 10.1016/c2013-0-14435-2
Sohm, G., C.R, Thompson, Y. Assefa, A.J. Schlegel, and J. Holman. 2014. Yield and quality of bermudagrass as a function of nitrogen rate. Agron. J. 106:1489-1496. DOI: 10.2134/agronj13.0580
Taylor, R.K. S.A. Staggenborg, C.B. Godsey, A.J. Schlegel, and R.D. Kochenower. 2014. A method to evaluate seeder performance. J. Agric. Engineering 1:38-42. DOI: 10.1576/2345-7848_1.1.5
Boyer, J.S., P. Byrne, K.G. Cassman, M. Cooper, D. Delmer, T. Greene, F. Gruis, J. Habben, N. Hausmann, N. Kenny, R. Lafitte, S. Paszkiewicz, D. Porter, A. Schlegel, J. Schussler, T. Setter, J. Shanahan, R.E. Sharp, T.J. Vyn, D. Warner, and J. Gaffney. 2013. The U.S. drought of 2012 in perspective: A call to action. Global Food Security 2:139-143. DOI: 10.1016/j.gfs.2013.08.002
Blanco-Canqui, H. J.D. Holman, A.J. Schlegel, J. Tatarko, and T.M. Shaver. 2013. Replacing fallow with cover crops in a semiarid soil: Effects on soil properties. Soil Sci. Soc. Am. J. 77:1026-1034. DOI: 10.2136/sssaj2013.01.0006
Blanco-Canqui, H. and A.J. Schlegel. 2013. Implications of inorganic fertilization of irrigated corn on soil properties: Lessons learned after 50 years. J. Environ. Qual: 42:861-871. DOI: 10.2134/jeq2012.0451
Frank, B.J., A.J. Schlegel, L. R. Stone, and M.B. Kirkham. 2013. Association of grain yield with identifiable plant characteristics of corn hybrids in the west-central Great Plains. Agron J. 105:383-394. DOI: 10.2134/agronj2012.0330
Liu, L., N. Klocke, S. Yan, D. Rogers, A. Schlegel, F. Lamm, S.I. Chang, and D. Wang. 2013. Impact of deficit irrigation on maize physical and chemical properties and ethanol yield. Cereal Chemistry 90:453-462. DOI: 10.1094/CCHEM-07-12-0079-R
Reddy, S.S., P,W. Stahlman, P.W. Geier, C.R. Thompson, R.S. Currie, A.J. Schlegel, B.L. Olson, and N.G. Lally. 2013. Weed control and crop safety with premixed pyrasulfotole and bromoxynil in grain sorghum. Weed Tech. 27:664-670. DOI: 10.1614/WT-D-13-00005.1
Van Pelt, R.S., M.C. Baddock, T.M. Zobeck, A.J. Schlegel, M.F. Vigil, and V. Acosta-Martinez. 2013. Field wind tunnel testing of two silt loam soils on the North American Central High Plains. Aeolian Research 10:53-59. DOI: 10.1016/j.aeolia.2012.10.009
Schlegel, A.J., L.R. Stone, T.J. Dumler, and F.R. Lamm. 2012. Managing diminished irrigation capacity with preseason irrigation and plant density for corn production. Trans. ASABE 55(2):525-531. DOI: 10.13031/2013.41394
Halvorson, A.D. and A.J. Schlegel. 2012. Crop rotation effect on soil carbon and nitrogen stocks under limited irrigation. Agron J. 104:1265-1273. DOI: 10.2134/agronj2012.0113
Abit, M.J.J., K. Al-Khatib, B.L. Olson, P.W. Stahlman, P.W. Geier, C.R. Thompson, R.S. Currie, A.J. Schlegel, J.D. Holman, K.A. Hudson, D.E. Shoup, M.J. Moechnig, W.J. Grichar, and B.W. Bean. 2011. Efficacy of postemergence herbicides tankmixes in aryloxyphenoxypropionate-resistant grain sorghum. Crop Protection 30:1623-1628. DOI: 10.1016/j.cropro.2011.08.011
Blanco-Canqui, H., A.J. Schlegel, and W.F. Heer. 2011. Soil-profile distribution of carbon and associated properties in no-till along a precipitation gradient in the central Great Plains. Agric. Ecosystems Environment 144:107-116. DOI: 10.1016/j.agee.2011.07.004
Holman, J.D., A.J. Schlegel, B.L. Olson, and S.R. Maxwell. 2011. Volunteer glyphosate-tolerant corn reduces soil water storage and winter wheat yields. Online. Crop Management doi:10.1094/CM-2011-0629-01-RS. DOI: 10.1094/cm-2011-0629-01-rs
Holman, J.D., A.J. Schlegel, C.R. Thompson, and J. Lingenfelser. 2011. Influence of precipitation, temperature, and 55 years on winter wheat yields in western Kansas. Online. Crop Management DOI: 10.1094/cm-2011-1229-01-rs.
Stone, L.R., N.L. Klocke, A.J. Schlegel, F.R. Lamm, and D.J. Tomsicek. 2011. Equations for drainage component of the field water balance. Applied Engr. Agric. 27:345-350. DOI: 10.13031/2013.37076
Blanco-Canqui, H., N.L. Klocke, A.J. Schlegel, L.R. Stone, and C.W. Rice. 2010. Impacts of deficit irrigation on carbon sequestration and soil physical properties under no-till. Soil Science Soc. Amer. J. (74:1301-1309). DOI: 10.2136/sssaj2009.0364
Blanco-Canqui, H., L.R. Stone, A.J. Schlegel, J.G. Benjamin, M.F. Vigil, and P.W. Stahlman. 2010. Continuous cropping systems reduce near-surface maximum compaction in no-till soils. Agron. J. 102:1217-1225. DOI: 10.2134/agronj2010.0113
Helms, T.C., R.A. Scott, W.T. Schapaugh, R.J. Goos, D.W. Franzen, and A.J. Schlegel. 2010. Soybean iron-deficiency chlorosis tolerance and yield decrease on calcareous soils. Agron. J. 102:492-498. DOI: 10.2134/agronj2009.0317
Holman, J.D., C.R. Thompson, R.L. Hale, and A.J. Schlegel. 2010. Forage yield and nutritive value of hard red and hard white winter wheat. Agron. J. 102:759-773. DOI: 10.2134/agronj2009.0378
Stone, L.R. and A.J. Schlegel. 2010. Tillage and crop rotation phase effects on soil physical properties in the west-central Great Plains. Agron. J. 102:483-491. DOI: 10.2134/agronj2009.0123
Williams, J.R., R.V. Llewelyn, D.L. Pendell, A.J. Schlegel, T.J. Dumler. 2010. A risk analysis of converting Conservation Reserve Program acres to a wheat-sorghum-fallow rotation. Agron. J. 102:612-622. DOI: 10.2134/agronj2009.0142
Blanco-Canqui, H., M.M. Mikha, J.G. Benjamin, L.R. Stone, A.J. Schlegel, D.J. Lyon, M.F. Vigil, and P.W. Stahlman. 2009. Regional study of no-till impacts on near-surface aggregate properties that influence soil erodibility. Soil Sci. Soc. Amer. J. 73:1-8. DOI: 10.2136/sssaj2008.0401
Blanco-Canqui, H., L.R. Stone, A.J. Schlegel, D.J. Lyon, M.F. Vigil, M.M. Mikha, P.W. Stahlman, and C.W. Rice. 2009. No-till induced increase in organic carbon reduces maximum bulk density of soils. Soil Sci. Soc. Amer. J. 73:1871-1879. DOI: 10.2136/sssaj2008.0353
Burton, R.O., R.P. Smith, and A.J. Schlegel. 2009. Economics of reduced-till, no-till and opportunity cropping in western Kansas. J. American Society Farm Managers Rural Appraisers. 72:164-176. DOI: 10.22004/ag.econ.189862
Holman, J.D., C.R. Thompson, R.L. Hale, and A.J. Schlegel. 2009. Grazing effects on yield and quality of hard red and hard white winter wheat. Agron. J. 101:775-788. DOI: 10.2134/agronj2008.0163x
Lyon, D.J., A.D. Pavlista, G.W. Hergert, R.N. Klein, C.A. Shapiro, S. Knezevic, S.C. Mason, L.A. Nelson, D.D. Baltensperger, R.W. Elmore, M.F. Vigil, A.J. Schlegel, B.L. Olson, and R.M. Aiken. 2009. Skip-row planting patterns stabilize corn grain yields in the central Great Plains. Online. Crop Management DOI: 10.1094/CM-2009-0224-02-RS.
Stone, L.R., F.R. Lamm, A.J. Schlegel, and N.L. Klocke. 2008. Storage efficiency of off-season irrigation. Agron. J. 100:1-8. DOI: 10.2134/agronj2007.0242
Wilde, G., K. Roozeboom, A. Ahmad, M. Claassen, B. Gordon, W. Heer, L. Maddux, V. Martin, P. Evans, K. Kofoid, J. Long, A. Schlegel, and M. Witt. 2007. Seed treatment effects on early-season pests of corn and on corn growth and yield in the absence of insect pests. J. Agric. Urban Entomology. 24:177-193. DOI: 10.3954/1523-5475-24.4.177
Stone, L.R. and A.J. Schlegel. 2006. Yield-water supply relationships of grain sorghum and winter wheat. Agron. J. 98:1359-1366. DOI: 10.2134/agronj2006.0042
Stone, L.R., A.J. Schlegel, A.H. Khan, N.L. Klocke, and R.M. Aiken. 2006. Water supply: yield relationships developed for study of water management. J. Nat. Resour. Life Sci. Educ. 35:161-173. DOI: 10.2134/jnrlse2006.0161
Schlegel, A.J. and C.A. Grant. 2006. Soil Fertility. P. 141-194. In G.A. Peterson, P.W. Unger, and W.A. Payne. 2nd ed. Dryland Agriculture. Agron. Monogr. 23. ASA, CSSA, and SSSA, Madison, WI. DOI: 10.2134/agronmonogr23.2ed.c6
McVay, K.A., J.A. Budde, K. Fabrizzi, M.M. Mikha, C.W. Rice, A.J. Schlegel,D.E. Peterson, D.W. Sweeney, and C. Thompson. 2006. Management effects of soil physical properties in a long-term tillage studies in Kansas. Soil Sci. Soc. Am. J. 70:434-438. DOI: 10.2136/sssaj2005.0249
Bandura, V., B.A. Stewart, L. Baumhardt, S. Ambati, C.A. Robinson, and A.J. Schlegel. 2006. Growing dryland grain sorghum in clumps to reduce vegetative growth and increase yield. Agron. J. 98:1109-1120. DOI: 10.2134/agronj2005.0166
Gehl, R.J., J.P. Schmidt, L.R. Stone, A.J. Schlegel, and G.A. Clark. 2005. Insitu measurements of nitrate leaching implicate poor nitrogen and irrigation management on sandy soils. J. Environ. Qual. 34:2243-2254. DOI: 10.2134/jeq2005.0047
Schlegel, A.J., C.A. Grant, and J.L. Havlin. 2005. Challenging approaches to N fertilizer recommendations in continuous cropping systems in the Great Plains. Agron. J. 97:391-398. DOI: 10.2134/agronj2005.0391
Lamm, F.R., A.J. Schlegel, and G. Clark. 2004. Development of a best management practice for nitrogen fertigation of corn using SDI. Applied Engineering Agriculture. 20:211-220. DOI: 10.13031/2013.15894
Godsey, C.B., J.P. Schmidt, A.J. Schlegel, R.K. Taylor, C.R. Thompson, and R.J. Gehl. 2003. Correcting iron deficiency in corn with seed-row applied iron sulfate. Agron. J. 95:160-166. DOI: 10.2134/agronj2003.0160
Martin, T.J., D.L. Siefers, A. Fritz, T.L. Harvey, and A.J. Schlegel. Registration of Lakin wheat. Plant Variety Protection Certificate 200200049.
Martin, T.J., D.L. Siefers, J.P. Michaud, T.L. Harvey, A. Fritz, and A.J. Schlegel. Registration of Stanton wheat. Plant Variety Protection Certificate 200200050.
Schlegel, A.J., K.C. Dhuyvetter, and J.L. Havlin. 2003. Placement of UAN for dryland winter wheat in the central High Plains. Agron. J. 95:1532-1541. DOI: 10.2134/agronj2003.1532
Stone, L.R., D.E. Goodrum, A.J. Schlegel, M.N. Jaafar, and A.H. Khan. 2002. Water depletion depth of grain sorghum and sunflower in the central High Plains. Agron. J. 94:936-943. DOI: 10.2134/agronj2002.0936
Schlegel, A.J., T.J. Dumler, and C.R. Thompson. 2002. Feasibility of four-year crop rotations in the central Great Plains. Agron J. 94:509-517. DOI: 10.2134/agronj2002.0509
Bohm, S.U., C.W. Rice, and A.J. Schlegel. 2002. Soil carbon turnover in residue managed wheat and grain sorghum study. p.255-263, in J.M. Kimble, R. Lal, and R.F. Follett (ed.) Agricultural Practices and Policies for Carbon Sequestration in Soil, CRC Press, Boca Raton, FL. DOI:10.1201/9781420032291.ch24
Martin, T.J., R.G. Sears, D.L. Seifers, T.L. Harvey, M.D. Witt, A.J. Schlegel, P.J. McCluskey, and J.H. Hatchett. 2001. Registration of ‘Trego’ wheat. Crop Sci. 41:929-930. DOI: 10.2135/cropsci2001.413929-ax
Trooien, T.P., F.R. Lamm, L.R. Stone, M. Alam, D.H. Rogers, G.A. Clark, and A.J. Schlegel. 2000. Subsurface drip irrigation using livestock wastewater: Dripline flow rates. App. Engr. In Agr. 16(5):505-508. DOI: 10.13031/2013.5301
Schlegel, A.J., K.C. Dhuyvetter, C.R. Thompson, and J.L. Havlin. 1999. Agronomic and economic impacts of tillage and rotation on wheat and sorghum. J. Prod. Agric. 12:629-636. DOI: 10.2134/jpa1999.0629
Halvorson, A.D., J.L. Havlin, and A.J. Schlegel. 1997. Nutrient management for sustainable dryland farming systems. Annals of the Arid Zone J. 36(3):233-254.
Havlin, J.L. and A.J. Schlegel. 1997. Dryland conservation technologies: Enhancing agricultural profitability and sustainability. Annals of the Arid Zone J. 36(3):291-303.
Schlegel, A.J. and J.L. Havlin. 1997. Green fallow for the central Great Plains. Agron. J. 89:762-767. DOI:10.2134/agronj1997.00021962008900050009x
Khan, A.H., L.R. Stone, O.H. Buller, A.J. Schlegel, M.C. Knapp, J.I. Perng, H.L. Manges, and D.H. Rogers. 1996. Educational software for illustration of drainage, evapotranspiration, and crop yield. J. Nat. Resour. Life Sci. Educ. 25:170-174. DOI:
Peterson, G.A., A.J. Schlegel, D.L. Tanaka, and O.R. Jones. 1996. Precipitation-use efficiency as affected by cropping and tillage systems. J. Prod. Agric. 9:180-186. DOI: 10.2134/jpa1996.0180
Schlegel, A.J., K.C. Dhuyvetter, and J.L. Havlin. 1996. Economic and environmental impact of long-term nitrogen and phosphorus fertilization. J. Prod. Agric. 9:114-118 DOI: 10.2134/jpa1996.0114
Stone, L.R., A.J. Schlegel, R.E. Gwin, Jr., and A.H. Khan. 1996. Response of corn, grain sorghum, and sunflower to irrigation in the High Plains of Kansas. Agric. Water Mgmt. 30:251-259. DOI: 10.1016/0378-3774(95)01226-5
Schlegel, A.J. and J.L. Havlin. 1995. Corn response to long-term nitrogen and phosphorus fertilization. J. Prod. Agric. 8:181-185. DOI: 10.2134/jpa1995.0181
Stone, L.R., A.J. Schlegel, F.R. Lamm, and W.E. Spurgeon. 1994. Storage efficiency of preplant irrigation. J. Soil Water Cons. 49:338-343. DOI:
Williams, J.R., P.L. Diebel, P.T. Berends, and A.J. Schlegel. 1994. Economic feasibility of using composted manure on irrigated grain sorghum. J. Prod. Agric. 7:323-327. DOI: 10.2134/jpa1994.0323
Schlegel, A.J. 1992. Effect of composted manure on soil chemical properties and N utilization by grain sorghum. J. Prod. Agric. 5:153-157. DOI:10.2134/jpa1992.0153
Hensley, D.L., S.C. Wiest, C.E. Long, J.A. Robbins, J.C. Pair, and A.J. Schlegel. 1992. Evaluation of trees for the central plains. J. Arboriculture 18:49-55. DOI:
Schlegel, A.J. 1991. Reduced ammonia phytotoxicity from UAN solution by the urease inhibitor N-(n-butyl) thiophosphoric triamide. J. Fert. Issues. 8:40-44.
Norwood, C.A., A.J. Schlegel, D.W. Morishita, and R.E. Gwin. 1990. Cropping system and tillage effects on available soil water and yield of grain sorghum and winter wheat. J. Prod. Agric. 3:356-362. DOI: 10.2134/jpa1990.0356
Schlegel, A.J., D.W. Nelson, and L.E. Sommers. 1987. Use of urease inhibitors and urea fertilizers on winter wheat. Fert. Res. 11:97-112. DOI:10.1007/bf01051054
Schlegel, A.J., D.W. Nelson, and L.E. Sommers. 1986. Field evaluation of urease inhibitors for corn production. Agron. J. 78:1007-1012. DOI:10.2134/agronj1986.00021962007800060015x