EFFECT OF DISTRIBUTION MODES OF NITROGENOUS FERTILIZER ON WHEAT AND PEANUT YIELDS AND THE NITROGENOUS FERTILIZER UTILIZATION RATIO UNDER THE WHEAT PEANUT CROPPING SYSTEM
WANG Cai bin CHENG Bo SUN Xiu shan ZHENG Ya ping CHEN Dian xu (Shandong Peanut Research Institute, Qingdao Shangdong prov. 266100)
J4 . 2002, (02): 98 -102 .  DOI: 10.11869/hnxb.2002.02.0098