This report presents information on nutrient and pest management practices, crop residue management, and other general crop management practices in use on U.S. farms. The public has expressed concerns about the possible undesirable effects of contemporary agricultural practices on human health and natural resources. Partly as a response to these concerns, the U.S. Department of Agriculture began collecting information from farmers on their agricultural production practices in 1964. In 1990, through the President's Water Quality Initiative, the USDA expanded its data collection efforts. The information presented in this report is largely for the 1990's. Although the information cannot contribute to the science underlying the debate about the effects of agriculture on human health and environmental risk, it can provide information on the use of relevant inputs and production practices that are likely to abate, or to exacerbate, undesirable effects.