Biological Systems Engineering - Research Associate

Roger L . Nelson, M.S.

Refereed Journal Articles


Stöckle, C. O., M. Donatelli and R. Nelson. 2003. CropSyst, a cropping systems simulation model. Europ. J. Agronomy 18:289-307.

Donatelli, M., Stöckle, C. O., R. Nelson, and G. Bellocchi. 2003. ET_CSDLL: A DLL for the computation of reference and crop evapotranspiration. Agronomy J. 95:1334-1336.

Badini, O., Stöckle, C. O., J.W. Jones, R. Nelson, A. Kodio, and K. Moussa. 2007. A simulation-based analysis of productivity and soil carbon in response to time-controlled rotational grazing in the West African Sahel region. Agricultural Systems 94:87-96.

Muhuddin Rajin Anwar ,O'Leary Garry ,McNeil David ,Hossain Hemayet ,Nelson Roger. 2007 Climate change impact on rainfed wheat in south-eastern Australia. Field crops research (ISSN 0378-4290), vol. 104, no1-3, pp. 139-147 [9 page(s) (article)]

Direct research support (In addition to providing programming for the CropSyst, ClimGen and/or ArcCS models)

Badini, O., Stöckle, C. O., and E.H. Franz. 1997. Application of crop simulation modeling and GIS to agroclimatic assessment in Burkina Faso.  Agriculture, Ecosystems and Environment 64:233-244. (consultation and modelling support)

Stöckle, C. O., S. Martin and G. S. Campbell. 1994. CropSyst, a cropping systems model: water/nitrogen budgets and crop yield. Agricultural Systems 46:335-359.

Pala, M., Stöckle, C. O., and H.C. Harris. 1996. Simulation of durum wheat (triticum durum) growth under differential water and nitrogen regimes in a mediterranean type of environment using CropSyst. Agricultural Systems 51:147-163.(modelling support)

Stöckle, C. O. 1996. GIS and simulation technologies for assessing cropping systems management in dry environments. American Journal of Alternative Agriculture 11:115-120. (provided GIS simulation design and implementation, and modelling support)

Ferrer-Alegre, F. and Stöckle, C. O.. 1999. A model for assessing crop response to salinity. Irrigation Science 19:15-23. (modelling support)

Tubiello, F., Donatelli, M., Rosenzweig, C. and Stöckle, C. O.. 2000. Effects of climate change and elevated CO2 on cropping systems: model predictions at two Italian sites. European Journal of Agronomy 13:179-189. (modelling support)

Castellvi, F. Stöckle, C.O. and M. Ibanez. 2001. Comparing a locally-calibrated versus a generalized temperature generation process. Transactions of ASAE 44:1143-1148. (provided computer programming: ClimGen)

Meinke, H., Baethgen, W.E., Carberry, P.S., Donatelli, M., Hammer, G.L., Selvaraju, R. and Stöckle, C. O.. 2001. Increasing profits and reducing risks in crop production using participatory systems simulation approaches. Agric. Systems 70:493-513. (provided computer programming (ArcGIS, CropSyst, ClimGen) and GIS data preparation.

Castellvi, F. and Stöckle, C. O.. 2001. Comparing the performance of WGEN and ClimGen in the generation of temperature and solar radiation. Trans. of ASAE 44:1683-1687. (provided computer programming and modelling support)

Fernandez, C., J.Q. Wu, D.K. McCool, and Stöckle, C. O.. 2003. Estimating water erosion and sediment yield with GIS, RUSLE, and SEDD. J. Soil Water Conservation 58:128-136. (implemented in CS Suite watershed model)

Rivington, M., K.B. Matthews, G. Bellocchi, K. Buchan, Stöckle, C. O., and M. Donatelli. 2007.  An integrated assessment approach to conduct analyses of climate change impacts on whole-farm systems. Environmental Modeling and Software 22:202-210. (provided UNIX version of CropSyst)

Oyarzun, R.A., Stöckle, C. O., and M.D. Whiting. 2007. A simple approach to modeling radiation interception by fruit-tree orchards. Agric. and For. Meteorol 142:12-24. (Implemented the model in CropSyst, additional testing and validation)

Indirect research support (Provided programming for the CropSyst and ClimGen model)

Mladen Todorovic, Rossella Albrizio, Ljubomir Zivotic, Marie-Therese Abi Saab, Claudio Stöckle and Pasquale Steduto, 2009, Assessment of AquaCrop, CropSyst, and WOFOST Models in the Simulation of Sunflower Growth under Different Water Regimes, Agronomy Journal 101:509-521 (2009), American Society of Agronomy

Donatelli, M., Stöckle, C. O., E. Ceotto, and M. Rinaldi. 1997. CropSyst validation for cropping systems at two locations of Northern and Southern Italy. European Journal of Agronomy 6:35-45.

Stöckle, C. O., M. Cabelguenne, and P. Debaeke. 1997. Validation of CropSyst for water management at a site in southern France using submodels of different complexity.  European Journal of Agronomy 7:89-98.

Pannkuk, C.D., Stöckle, C. O., and R.I. Papendick. 1998. Validation of CropSyst for Winter and Spring Wheat under Different Tillage and Residue Management Practices in a Wheat-Fallow Region. Agricultural Systems 57:121-134.

Ferrer, F., Villar, J.M, and Stöckle, C.O. 2000. Evaluacion del modelo de simulacion CropSyst para maiz de regadio en el Valle del Ebro. Revista de Investigacion Agraria (Spain) 15:237-251.

Castellvi, F., Stöckle, C. O., Perez, P.J. and M. Ibañez. 2001. Comparison of Methods for Applying the Priestley-Taylor Equation at a Regional Scale.  Journal of Hydrological Processes 15:1609-1620.

Peralta, J.M. and Stöckle, C. O.. 2002. Nitrate from an irrigated crop rotation at the Pasco-Quincy area (Washington, USA) available for groundwater contamination: A long-term simulation study. Agriculture, Ecosystems and Environment 88:23-24.

Castellvi, F., Stöckle, C. O., Mormeneo, I. and J.M. Villar. 2002. Testing the performance of different processes to generate temperature and solar radiation: A case study at Lleida, Spain. Trans. of ASAE 45:571-580.

Stöckle, C. O., J. Kjelgaard, and G. Bellocchi. 2004. Evaluation of estimated weather data for calculating Penman-Monteith reference crop evapotranspiration. Irrigation Sci. 23:39-46.

Scott, M.J., L.W. Vail, J.A. Jaksch, Stöckle, C. O., and A.R. Kemanian. 2004. Water exchanges: tools to beat El Niño climate variability in irrigated agriculture. J. American Water Resource Association (JAWRA). 40(1):15-31.

Benli, B., M. Pala, Stöckle, C. O., and T. Oweis. 2007. Assessment of winter wheat production under early sowing with supplemental irrigation in a cold highland environment using CropSyst simulation model. Agric. Water Management 93:45 – 53

Saseendran, S.A., L.R. Ahuja, L. Ma, D. Timlin, Stöckle, C. O., K.J. Boote, and G. Hoogenboom. 2008. Current Water deficit stress simulations in selected agricultural system simulation models. ASA-SSSA-CSSA special volume on Water Stress Effects on Plant Growth Processes (Accepted)

Roger L. Nelson

Computer Scientist
Research Associate


Biological Systems Engineering
Washington State University
L. J. Smith 103, P.O. Box 64120
Pullman, Washington 99164-6120


TEL: 509 335-1100
FAX: 509 335-2722


My Curriculum Vitae (pdf)
Biological Systems Engineering , PO Box 646120, Washington State University, Pullman WA 99164-6120, 509-335-1578, Contact Us