Effects of Different Nitrogen Topdressing Methods on Correlated Character and Yield of Maize in Cold Zone
ZHU Baoguo, ZHANG Chunfeng, WANG Nannan, MENG Qingying, JIA Huibin, KUANG Enjun
Journal of Nuclear Agricultural Sciences . 2015, (9): 1806 -1812 .  DOI: 10.11869/j.issn.100-8551.2015.09.1806