REGULATION OF NITROGEN LEVEL ON CHARACTERS OF GAS EXCHANGE AND ENERGY CONVERSION IN WHEAT SEEDLING LEAF

TAN Xue-lian~1 ZHANG Xu-cheng~(1,2) GUO Tian-wen~1 XIA Fang-qin~1 ZHANG Jin-lin~3(1.Institute of Dryland Agriculture,Gansu Academy of Agriculture Sciences,Lanzhou,Gansu 730070;2.State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau,Institute of Soil and Water Conservation,Chinese Academy of Science,Yangling,Shaanxi 712100;3.College of Pastoral Agricultural Science and Technology,Lanzhou University,Lanzhou,Gansu 730020)

Journal of Nuclear Agricultural Sciences ›› 2007, Vol. 21 ›› Issue (03) : 305-310.