Trilogy is a botanical fungicide / miticide that controls a wide range of foliar diseases and selected mite species. It's active ingredient is clarified hydrophobic extract of neem oil. Trilogy is compatible with the environment and its inhabitants. Field workers can re-enter treated areas after only 4 hours. Trilogy also has a 0-day pre-harvest interval - it can be applied up to and on the day of harvest. This product is approved for organic production by the National Organic Program (NOP), a marketing program housed within the United States Department of Agriculture (USDA) Agricultural Marketing Service, the agency that sets marketing standards. The NOP mission is to develop and implement national standards that govern the marketing of agricultural products as organically produced, to facilitate commerce in fresh and processed food that is organically produced, and to assure consumers that such products meet consistent standards. Usage is 2.5 tablespoons per gallon of solution.