TY - JOUR AU - Winston, W. Jones AU - Parker, E. R. TI - Washington navel orange juice: Quality and mineral composition affected by chemical fertilizers, manure and covercrops JF - California Agriculture JO - Calif Agr Y1 - 1950/06/01 VL - 4 IS - 6 SP - 6 EP - 15 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v004n06p6 AB - The composition of Washington Navel orange juice is influenced by fertilizers, as shown in field experiments with Navels on sweet orange rootstock. Effects of nitrogen, phosphorus and potassium fertilizers—as well as manure and winter covercrops—were studied.