Orange County (Calif.)
Citrus fruit industry; Fertilizers;
This speech discusses the necessity of fertilizing citrus crops and delves into which kinds and how much per tree. Some of the soil amendments Mr. Chapman discusses are potash, bone meal, nitrogen, nitrate of soda, and phosphoric acid. He also stresses the importance of knowing your orchard.
Chapman, Charles C., "Citrus Notes-Fertilization" (2014). Charles C. Chapman Citrus Speeches. 14.