TY - JOUR AU - Schneider, Henry AU - Pehrson, John E. TI - Decline of navel orange trees with trifoliate orange rootstocks JF - California Agriculture JO - Calif Agr Y1 - 1985/09/01 VL - 39 IS - 9 SP - 13 EP - 16 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v039n09p13 AB -