Study on the Nitrogen Transfer in Different Leaf in Canopy by Using Isotope 15N Labeled on Leaf
WANG Zhi-jie, WANG Ji-hua, ZHAO Chun-Jiang, HUANG Wen-Jiang, MA Zhi-hong, ZHAO Ming
ACTA AGRICULTURAE BOREALI-SINICA . 2004, (2): 71 -75 .  DOI: 10.3321/j.issn:1000-7091.2004.02.018