Soil Food is a protein carbon complex which feeds the microbes in the soil. When they increase they breakdown and release minerals that may be locked up in the soil and make them available to the plant. Soil Food Organic can be used on all crops, suggested rate is 10-20 gallons per acre for the season. It can be applied through drip, micro sprinklers, shanked or topically. This product really works to bring growth back to plants.