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[1]LI Yang-fang,SONG Wei-feng,HE Jun,et al.A Study on the Soil Hydrological Effect on Different Land Use Types of Terraced Core Area in Yuanyang[J].Research of Soil and Water Conservation,2012,19(06):54-57.

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A Study on the Soil Hydrological Effect on Different Land Use Types of Terraced Core Area in Yuanyang

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 19 Number of periods: 2012 06 Page number: 54-57 Column: Public date: 2012-12-20

Title:: A Study on the Soil Hydrological Effect on Different Land Use Types of Terraced Core Area in Yuanyang

Author(s):: LI Yang-fang¹, SONG Wei-feng¹, HE Jun², PENG Yong-gang³, DONG Jian-xin⁴; 1. College of Environmental Science and Engineering, Southwest Forestry University, Kunming 650224, China;
2. Department of Water Resources of Yunnan Province, Kunming 650021, China;
3. Honghe Prefecture Water Conservancy Bureau of Yunnan Province, Mengzi, Yunnan 661000, China;
4. Department of Business School, Yunnan University, Kunming 650091, China

Keywords:: Yuanyang; terraced fields; soil; hydrological effect

CLC:: S152.7

DOI:: -

Abstract:: In order to reveal the mechanism of the water conservation in forest soil of the terraced fields in Yuanyang, double ring method and ring technique of using knife was used to study the holding water performance and the pore situation about the woodland, shrub, waste grassland and slope farmland on terrace core area in Yuanyang. The results showed that soil texture and organic matter had important effects on soil water retention, soil texture had an indirect effect on the soil water-holding capacity, the organic matter directly affected the soil water-holding capacity, the more the organic matter content was, the stronger the soil water-holding capacity was. Shrub soil had the largest soil water retention, total holding water in the depth of 0-20cm in shrubs soil was up to 1404.8t/hm²; the initial water content of soil had a great effect on initial permeability rate of soil, the waste grassland had the largest initial permeability rate in four land use types. Based on the results, the terraced fields in yuanyang, forest has a strong water-holding capacity and a good infiltration characteristics, and can play the role in hydrological functions of the forest.

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