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THE TOPOGRAPHIC FACTOR OF SOIL EROSION OF SLOPING CULTIVATED LAND IN THE NORTHEAST MOUNTAIN REGION OF YUNNAN PROVINCE

Zisheng Yang

Open publisher page 3 citations

Abstract

By means of setting up 18 experimental spots and measuring continuously over three years on different slope and length of sloping cultivated land in the northeast mountain region of Yunnan province,the equation of the topographic factor (LS) in this region is defined as: LS=L20 0 24 S5° 1 32 , in it, L is length of slopeland (m), S is slope (°).According to this equation,the author has calculated the table of the topographic effect on soil erosion (the LS values) of sloping cultivated land in the northeast mountain region of Yunnan province.

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What this paper is about

By means of setting up 18 experimental spots and measuring continuously over three years on different slope and length of sloping cultivated land in the northeast mountain region of Yunnan province,the equation of the topographic factor (LS) in this region is defined as: LS=L20 0 24 S5° 1 32 , in it, L is length of slopeland (m), S is slope (°).According to this equation,the author has calculated the table of the topographic effect on soil erosion (the LS values) of sloping cultivated land in the northeast mountain region of Yunnan province.

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Available abstract

By means of setting up 18 experimental spots and measuring continuously over three years on different slope and length of sloping cultivated land in the northeast mountain region of Yunnan province,the equation of the topographic factor (LS) in this region is defined as: LS=L20 0 24 S5° 1 32 , in it, L is length of slopeland (m), S is slope (°).According to this equation,the author has calculated the table of the topographic effect on soil erosion (the LS values) of sloping cultivated land in the northeast mountain region of Yunnan province.

Key concepts: Cultivated land, Erosion, Geology, Geography, Physical geography, Hydrology (agriculture), Table (database), Geomorphology

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