Effects of Nitrogen Fertilizer Application on Yield and Nitrogen  Uptake and Utilization of Summer Maize with Different Planting Densities
ZHANG Meiwei, LIU Jingbao, QIAO Jiangfang, LI Chuan, HUANG Lu, ZHANG Panpan, ZHAO Xia, LI Ping
Journal of Henan Agricultural Sciences . 2020, (5): 55 -62 .  DOI: 10.15933/j.cnki.1004-3268.2020.05.006

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