TY - JOUR AU - Lingle, John C. TI - Foliar absorption of zinc by tomato plants JF - California Agriculture JO - Calif Agr Y1 - 1960/07/01 VL - 14 IS - 7 SP - 4 EP - 4 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v014n07p4b AB - Foliar sprays for zinc deficiency in tomatoes are usually effective. Occasionally, however, plants fail to respond.