COMPARATIVE STUDIES ON SEASONAL DYNAMICS OF SOIL ENZYMATIC ACTIVITIES AND SOIL NUTRIENT AVAILABILITY IN MONO- AND MIXED- CULTURE PLANT COMMUNITIES OF AGERATINA ADENOPHORAAND SETARIA SPHACLATA
JIANG Zhi-Lin, LIU Wan-Xue, WAN Fang-Hao, LI Zheng-Yue
Chin J Plant Ecol . 2008, (4): 900 -907 .  DOI: 10.3773/j.issn.1005-264x.2008.04.019