1. Research Institute of Forest Ecology and Environment, CAF Beijing 100091 2. The Tree Farm of Minquan County, Henan Province Minquan 486700 3. The Tree Farm of Daxing County, Beijing Daxing 102602
Cuiling Sun,Yuwen Guo,Chaoran Tong,Lancheng Xu,Zhen Wang. A STUDY ON THE SOIL MICROBES AND SOIL ENZYME ACTIVITIES IN VARIOUS POPLAR MIXED STANDS[J]. Scientia Silvae Sinicae, 1997, 33(6): 488-497.
The relative growth and decline ratio of soil microbes (△Hi) in the Poplar mixed-forest in Daxing during 1992—1995"
Fig.1
Table 3
The relative growth and decline ratio of soil enzymes in the stands of two sites during 1992—1995 (△Li)"
Table 3
Table 4
The variance analysis of soil enzyme activ ities (avarage) for the Poplar mixed stands in two sites"
Table 4
Table 5
The relative matrix of enzyme activities for five treatments in two sites"
Table 5
Fig.2
The relative growth and decline ratio of soil nutrients in Beijing"
Fig.2
Table 6
The interrelation coefficient of relative growth and decline ratio of soil nutriment, soil microorganisms and enzyme activities in Daxing during 1992—1995"
James aronson . Early growth rate and nitrogen fixation potential in fortyfour legume species grown in an acid and a neutral soil from central chile. Forst ecology and management, U.S.A, 1992. 47, 225- 244.
