TY - JOUR AU - McCorkle, C. O. AU - Mikkelsen, D. S. TI - Nitrogen on California cotton: Proper fertilization contributes to good return per dollar invested in San Joaquin Valley farms JF - California Agriculture JO - Calif Agr Y1 - 1954/08/01 VL - 8 IS - 8 SP - 2 EP - 2 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v008n08p2 AB -