Leaf analysis of citrus: Tests in eight counties indicate the potassium and phosphorus status of California citrus orchards
H. D. Chapman, University of California College of Agriculture
Forrest Fullmer, American Potash Institute
California Agriculture 5(9):6-6. DOI: 10.3733/ca.v005n09p6.
H. D. Chapman is Professor of Soils and Plant Nutrition, University of California College of Agriculture, Riverside. Forrest Fullmer, Agronomist with the American Potash Institute, co-operated in the research reported above.
Not available – first paragraph follows:
Orange size, yield and quality can be improved in California citrus orchards by adjusting potassium and phosphorus content of the tree.
The above progress report is based on Research Project No. 1373.