The U.S . Senate Committee on the Environment and Public Works is considering legislative proposals to reduce emissions of long-range transport air pollutants which may be a major factor in acid depostion. Preliminary results indicate that these proposals will have substantial ~ pacts on coal...

Technological developments in rice production in Asia have greatly increased the potential returns to irrigation investments. It is likely that a substantial amount of resources will be allocated to irrigation development in the next two decades. But past experience suggests that the returns...

In recent studies of erosion control in agricultural production it has been standard practice to use timeless or static models of agricultural production processes. In this paper implications of a dynamic model of agricultural production for erosion control decision making are compared to those...

Least cost solutions for a three million gallon a day land application of municipal wastewater system are estimated for three levels of capital cost subsidy: no subsidy, 7 5 percent, and 85 percent. Irrigation of reed canarygrass is superior of alfalfa, corn, forests, and natural vegetation...