Low-Input Sustainable Agriculture, a competitive grants program established in 1988; now called Sustainable Agriculture Research and Education (SARE).
The concept of reducing the amount of cash inputs, particularly fertilizers and chemicals, and through cropping practices and rotations, maintain an efficient and profitable agricultural system.
Low Input Sustainable Agriculture involves the reduction of runoff and the total amount of contaminant that could possibly cause groundwater contamination. This can be accomplished through improved chemical management, irrigation management, and planting techniques. LISA also involves organic farming practices as well. (United States Department of Agriculture, USDA).