施氮方式对玉米根系生长、产量和氮素利用的影响
漆栋良, 吴雪, 胡田田
Effects of Nitrogen Supply Methods on Root Growth, Yield and Nitrogen Use of Maize
QI Dong-Liang, WU Xue, HU Tian-Tian
中国农业科学 . 2014, (14): 2804 -2813 .  DOI: 10.3864/j.issn.0578-1752.2014.14.011