Differences in fertilization needs of citrus in Florida and in California explained
H. D. Chapman
California Agriculture 1(9):4-4. DOI: 10.3733/ca.v001n09p4a.
H. D. Chapman is Professor of Agricultural Chemistry and Chemist in the Expriment Station, Riverside.
Condensation of an article by H. D. Chapman, publised in full in the June issue of citrus Leaves and in the July Issue of Citrograph