Trunk injection corrects iron deficiency in plum trees
Frank T. Yoshikawa, Fresno County
Wilbur O. Reil, University of California
Leslie K. Stromberg, Fresno County
California Agriculture 36(2):13-13.
Injections of ferrous sulfate appear to alleviate iron deficiency for about two years at a cost of 3 per tree.
Frank T. Yoshikawa is Farm Advisor, Fresno County; Wilbur O. Reil is Staff Research Associate, Cooperative Extension, University of California, Davis; Leslie K. Stromberg is Farm Advisor, Fresno County.