TY - JOUR AU - Johnston, J. C. TI - Orange fruit size: Five-year study of small fruit size covered 429 groves in six counties JF - California Agriculture JO - Calif Agr Y1 - 1950/11/01 VL - 4 IS - 11 SP - 12 EP - 12 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v004n11p12 AB - Two outstanding causes of small fruit size in oranges are poor physical conditions of the soil and inadequate irrigation.