Study on the Effect Of Different Fertilizer on the Stable Nitrogen Isotope of Soil, Leaf and Cucumber
YUAN Yu-Wei, ZHANG Zhi-Heng, DIAO Ming, XU Ming-Fei, YANG Gui-Ling, ZHENG Ji-Ci, WANG Qiang
J4 . 2010, (1): 108 -113 .  DOI: 10.11869/hnxb.2010.01.0108