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...

A five-year linear programming farm planning model, permitting the inclusion of nitrogen decay rates, was constructed to include the use of sewage sludge as a primary crop nutrient source. Twenty-two scenarios depicting various operating conditions were examined and maximized net farm incomes...

A survey of household decision-makers and an analysis of their garbage was used to suggest factors affecting the weight of household contributions to municipal solid waste. Iterative regression was used to build a model from the data that is hypothesized to explain garbage weight. Food...