Because of environmental concerns, many states are regulating animal manure applications to crops. A conceptual model is presented to describe manure demand for crop nutrient application under alternative regulatory standards. Demand relationships are incorporated into a spatial equilibrium...

Environmental and health risk concerns associated with the use of agricultural chemicals in the United States are increasing. In response, public policies designed to alter farming practices and the use of agricultural chemicals are being proposed and implemented. In addition, agricultural price...

The study is focused on the development and the application of a stochastic economic optimisation model by which optimal levels of applied water and sprinkler spacing are determined. Data on crop-water production function and uniformity of water application are taken from a sprinkler irrigation...