Recent increases in fertilizer prices and other productions costs have stimulated interest in ways to increase the efficiency of fertilizer use while maintaining or increasing yields and quality of tobacco. Growers currently spend about $250 per acre for fertilizer. Although this represents only 15 to 20 percent of the total cash costs per acre, it is one category of cash expenses that can be decreased.
Sims, J. L., "Efficient Use of Fertilizer on Tobacco" (1985). Soil Science News and Views. 106.