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[1]JIAO Feng,WEN Zhong-Ming,AN Shao-shan.Comprehensive Evaluation of Soil Moisture of Abandoned Cropland Based on Attribute Recognition Model[J].Research of Soil and Water Conservation,2010,17(04):52-56.

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Comprehensive Evaluation of Soil Moisture of Abandoned Cropland Based on Attribute Recognition Model

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 04 Page number: 52-56 Column: Public date: 2010-08-20

Title:: Comprehensive Evaluation of Soil Moisture of Abandoned Cropland Based on Attribute Recognition Model

Author(s):: JIAO Feng^1,2, WEN Zhong-Ming^1,2, AN Shao-shan^1,2; 1. Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi 712100, China;
2. Institute of Soil and Water Conservation, CAS & MWR, Yangling, Shaanxi 712100, China

Keywords:: attribute recognition model; abandoned cropland; the entropy weight; soil fertility; comprehensive evaluation

CLC:: S152.7

DOI:: -

Abstract:: Atribute recognition model based on entropy weight was used to evaluate the soil moisture of abandoned cropland of different years in Yanhe Watershed.The results showed that from trend of variation of soil moisture abandoned cropland of different years,by the farming and fertilizer effects in the early farmland,content of soil moisture was higher relatively.With prolonged,in overall,soil moisture was downward trend,and soil moisture in toplayer lost more quickly than that in deep layers.The coefficient variation of soil moisture was reduced trend with increase of soil depth.The powers of soil moisture in considerable degree of between soil layers could be reversed with the length of abandoned cropland.In general,the soil moisture of abandoned cropland is at lower level in Yanhe Watershed,it is necessary to improve soil moisture in this region.The method of attribute recognition model can reduce the impact of subjective factors to large extent.This method of results which are visual and practical can provide powerful technical support for comprehensive evaluation of soil moisture.

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