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- W2381222908 abstract "By combining the observation of soil profile at field with the chemical and physical analysis in laboratory, 21 samples of soil profile and structure from different forest communities were investigated and analyzed, which to study their headwater conservation and soil fertility. The results showed that the air moisture content in the forest was high and the coefficient (K=1.8) was more than 1.5. The proportion of destroyed soil structure at broad-leaved tree communities was 6.1%, which was 12.8% less than that of the conifer tree community (18.9%). The average solid soil contents was 1.01 g/cm~3, and the total porosity percent was 62.05% averagely, capillary pore percent was 50.72%, non-capillary pore percent 11.72%. Soil aeration was 28.83%. The variation parameters of different eigenvalue of soil moisture content were as following: available moisture contentmoisture content at natural situationvariation range of available water content maximum moisture contentcapillary moisture content. The highest water storage capacity was 863.1 t/hm~2 averagely . Soils in the investigated forests contain high moisture, and umification procedure last long time. The organ matter content was up to 61.83 g/kg. So the soil characterized by its high fertility, good aeration, fine texture has high capacity of headwater conservation." @default.
- W2381222908 created "2016-06-24" @default.
- W2381222908 creator A5033298600 @default.
- W2381222908 date "2004-01-01" @default.
- W2381222908 modified "2023-09-23" @default.
- W2381222908 title "Hydrological and Physical Characteristics of Forest Soil at Mountain Valley in Southwest of Hunan and Its Headwater Conservation Capacity" @default.
- W2381222908 hasPublicationYear "2004" @default.
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