Books by James P. Law
National irrigation return flo
National irrigation return flow research and development program
Degradation of water quality i
Degradation of water quality in irrigation return flows
Nutrient removal from enriched
Nutrient removal from enriched waste effluent by the hydroponic culture of cool season grasses
Agricultural utilization of se
Agricultural utilization of sewage effluent and sludge
Agricultural utilization of se
Agricultural utilization of sewage effluent and sludge; an annotated bibliography