This paper deals with the presentation of scientific studies results on the effectiveness of traditional and alternative fertilization systems and various stresses on mineral fertilizers of the background of organic fertilizers and the impact on the phosphorus transformation in the meter soil layer.

The goal of this article is to give some guidelines when modeling farmers’ rotation choices through optimization models. To improve the accuracy of such models, researchers can i) sophisticate the utility function or ii) specify the production function and the constraints of the model. Based...

Incomplete and Preliminary Draft – Please Do Not Cite

This paper first develops a partial equilibrium (PE) model to examine impacts of converting corn stover to biofuel on markets for corn and soybeans at the national market level. The PE model links gasoline, corn ethanol, dried distiller grains, corn, soybeans, and soybean meal markets in the...