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Research on features of water and soil conservation of forest land and the technology of soil amelioration


The project was carried out by combining biotic factors with physical and chemical properties of soil in different types of natural forests, so as to show their interdependent relationship with each other. With a comprehensive analysis of the distribution rules and differences of soil profile, nutrition and value of physical-hydrologic characteristics of nature forests under different situations in terms of natural forest system and region, forest types and parent materials, the research also explained the correlation between forest ecology, biological characteristics and nutrition, and physical and chemical properties of soil. The project was awarded with the Third Grade of the Reward of Science and Technology Progress of Hunan Province in 1999.