Explain to students that one of San Diego's most important natural resources is its soil. Agriculture. NRCS provides America's farmers and ranchers with financial and technical assistance to voluntarily put conservation on the ground.Agricultural advisors can assist you to develop a farm plan, such as a conservation plan, a carbon farm plan or a grazing management plan. Notes: San Diego Agriculture: Not Your Average Farm, County of San Diego. This should not be a surprise because our growers pay some of the highest prices for agricultural water in the state. San Diego has more small farms (<10 acres) than any other county so you'll be in good company :) Upvote Loan Assistance Tool. What symbols would be found on a map of San Diego now that people live here? The continuation of life as we know it depends on the careful use of natural resources. Rural Americans matter—a lot—to the fate of U.S. environmental policy.