冬小麦对不同时期施用的尿素N的吸收利用
郭建华,邢竹,刘宇衡
NITROGEN TRANSFORMATION IN SOLL AND ITS UPTAKE BY WINTER WHEAT
Guo Jianhua Xing Zhu Liu Zongheng(Institute of Soil and Fertilizer,Hebei Academy of Agriculture Scienses,Shijiazhuang 050051)
J4 . 1993, (03): 163 -167 .  DOI: 10.11869/hnxb.1993.03.0163