SOIL ENZYME ACTIVITIES IN DIFFERENT PLANTATIONS IN LOWLANDS OF THE YELLOW RIVER DELTA, CHINA
LI Chuan-Rong, XU Jing-Wei, SONG Hai-Yan, LI Chun-Yan, ZHENG Li, WANG Wei-Dong, WANG Yue-Hai
Chin J Plant Ecol . 2006, (5): 802 -809 .  DOI: 10.17521/cjpe.2006.0102