氮肥调控对小麦/玉米产量、氮素利用及农田氮素平衡的影响
刘欢, 陈苗苗, 孙志梅, 刘建涛, 甄文超
Effects of Different Nitrogen Management Practice on Crop Yield,N Utilization and N Apparent Balance in Wheat/Maize Rotation System
LIU Huan, CHEN Miao-miao, SUN Zhi-mei, LIU Jian-tao, ZHEN Wen-chao
华北农学报 . 2016, (1): 232 -238 .  DOI: 10.7668/hbnxb.2016.01.037