Effects of Nitrogen Application on Summer Maize Yield, Nutrient Utilization Efficiency and Soil Available Nutrient Residues
YANG Feng, YAN Qiuyan, LU Jinxiu, LI Feng, WANG Miao, DONG Fei
ACTA AGRICULTURAE BOREALI-SINICA . 2017, (1): 171 -178 .  DOI: 10.7668/hbnxb.2017.01.026