The Idaho resource conservation and rangeland development fund shall be allocated for use by the state soil and water conservation commission:
(1) To eligible applicants for conservation improvements which it deems to be “in the public interest” in such amounts as are necessary for the implementation of conservation measures identified in a conservation plan;
(2) To eligible applicants for the purpose of conservation improvements on rangelands, agricultural lands and riparian lands, which will provide environmental enhancement to soil, water, wildlife and related resources;
(3) For the purpose of implementing conservation improvements, projects and the water quality program for agriculture.