STUDIES ON THE PHOTOSYTHETIC CHARACTERISTICS OF CROP OF INTERPLANT FOREST GRAIN BY USING ~(14)CO_2, AS TRACER
Guo Jishan Guo Liping Hong Decheng
JOURNAL OF NANJING FORESTRY UNIVERSITY . 1990, (02): 22 -25 .  DOI: 10.3969/j.jssn.1000-2006.1990.02.004