TY - JOUR AU - Osterli, Philip P. AU - Meyer, Jewell L. TI - Crop rotation improves nitrogen utilization JF - California Agriculture JO - Calif Agr Y1 - 1977/02/01 VL - 31 IS - 2 SP - 7 EP - 7 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v031n02p7 AB - Crop rotation and efficient fertilization practices minimize the amount of nitrate nitrogen reaching groundwaters from fertilizers. Cereal crops reduce soil nitrogen levels by using nitrogen remaining after previous crops.