TY - JOUR AU - Yoshikawa, Frank T. AU - Reil, Wilbur O. AU - Stromberg, Leslie K. TI - Trunk injection corrects iron deficiency in plum trees JF - California Agriculture JO - Calif Agr Y1 - 1982/03/01 VL - 36 IS - 2 SP - 13 EP - 13 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v036n02p13 AB - Injections of ferrous sulfate appear to alleviate iron deficiency for about two years at a cost of 3 per tree.