1. K-State home
  2. »Research and Extension
  3. »Southwest Research Center
  4. »Cropping Systems

Southwest Research Center – Tribune

Contact Info

Southwest Research Center - Tribune
1474 State Highway 96
Tribune, Kansas 67879
Phone: (620) 376-4761


Wheat Plots

Research Projects

Dryland Cropping Systems




  • 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. n/a/;n/a. 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

  • 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

 (Click Here for whole list)

Lucas Haag

Contact Information

Lucas Haag, Ph.D.
Area Agronomist/Associate Professor
Southwest Research-Extension Center
1474 State Hwy 96
Tribune, KS 67879-7956
Phone: 785-462-6281
Email: lhaag@ksu.edu
Twitter: @LucasAHaag