TY - JOUR AU - Browne, L. Todd AU - Brown, Lyndon C. AU - Ramos, David E. TI - Walnut rootstocks compared JF - California Agriculture JO - Calif Agr Y1 - 1977/07/01 VL - 31 IS - 7 SP - 14 EP - 16 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v031n07p14 AB - Partially exposed root system of Northern California Black walnut rootstock growing in a deep river-bottom soil.