Effects of Nitrogen Fertilizer on Nitrogen Absorption,Utilization, and Yield of Maize under Different Ecological Conditions
LI Qiang, MA Xiaojun, DOU Pan, CHEN Qiubo, YU Donghai, YUAN Jichao, KONG Fanlei
ACTA AGRICULTURAE BOREALI-SINICA . 2017, (1): 156 -164 .  DOI: 10.7668/hbnxb.2017.01.024