用~(15)N示踪法研究不同土壤水分条件下小麦对氮的吸收利用
王百群,张卫,余存祖
NITROGEN UPTAKE AND FERTILIZER NITROGEN USE EFFICIENCY OF WHEAT UNDER DIFFERENT SOIL WATER CONDITIONS
Wang Baiqun\ Zhang Wei\ Yu Cunzu (State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau,Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources,Yangling\ 712100)
J4 . 1999, (06): 362 -367 .  DOI: 10.11869/hnxb.1999.06.0362