Characteristics of Soil Nitrogen Content and Enzymatic Activities in Cupressus funebris Plantations along Ruxi River Watershed in the Three Gorges Reservoir Area Restoring Effects of Grass Litter on the Soil Polarization of Pinus tabulaeformis and Platycladus orientalis Pure Forests in the Loess Gullied Area Ecological distribution and biochemical properties of soil microorganisms in Gaoligong Mountains Effect of pure and mixed stands on soil physical and chemical properties Soil polarization of pure forests in the semi-humid loess hilly area of North Shaanxi, China Comparison of carbon storage in pure and mixed stands of Castanopsis hystrix and Cunninghamia lanceolata in subtropical China Humus differentiation and correlation with other soil properties under pure forest in semi-arid loess hilly area Soil humus differentiation and correlation with other soil biochemical properties in pure forests in semiarid lowhilly area of Inner Mongolia, China. Influences of soil mixing of different forests on the biochemical characteristics and litter decomposition on upper reach of Minjiang River Comparative study on pure pine and mixed multi-storied stands in east Anhui