Soil-Depleting, Soil-Conserving, and Soil-Building Crops. (open access)

Soil-Depleting, Soil-Conserving, and Soil-Building Crops.

Discusses soil conservation in a clear and concise manner. Discusses soil building, soil conserving, and soil depleting crops as well as the minerals to be found in soil.
Date: September 1938
Creator: United States. Bureau of Plant Industry.
System: The UNT Digital Library