Effects of Shading on Photosynthesis and Leaf Yields of Ginkgo
ZHANG Wang xiang,CAO Fu liang,WU Jia sheng,WANG Gui bing
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2000, (04): 11 -15 .  DOI: 10.3969/j.jssn.1000-2006.2000.04.003