TY - JOUR AU - Miller, P. A. TI - Spring pruning and fertilizing of california live oak trees JF - California Agriculture JO - Calif Agr Y1 - 1947/11/01 VL - 1 IS - 12 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.v001n12p4a AB - The tip mildew or “witches broom” disease of the California Live Oak trees is increased by early spring pruning and fertilization. These are common practices which should be discontinued or avoided.