施氮时期对夏玉米碳氮运转及氮肥利用的影响
夏来坤, 陶洪斌, 朱金城, 徐杰, 王璞
Effects of Nitrogen Application Time on Carbon Assimilate and Nitrogen Translocation and Nitrogen Use Efficiency of Summer Maize
XIA Lai kun, TAo Hong bin, ZHU Jin cheng, XU Jie, WANG Pu
华北农学报 . 2009, (3): 208 -211 .  DOI: 10.7668/hbnxb.2009.03.043