TY - JOUR AU - Hartmann, H. T. TI - Olive flower-bud formation: Nutrients essential to tree during March and April when flower-buds are forming tests show JF - California Agriculture JO - Calif Agr Y1 - 1950/11/01 VL - 4 IS - 11 SP - 4 EP - 16 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v004n11p4 AB - A critical stage in the production of olives—as in any fruit crop—is when the flower parts are forming in the buds.