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- W2352807974 abstract "The paper takes subsided land in Pingdingshan Coal Mine as an example,surface soil samples of reclaimed land,subsided land and normal cultivated land are collected and determined.The paper sets up indicator system of comprehensive evaluation of soils fertility of reclaimed land.Subordinate functions of evaluation indexes are calculated by the way of Fuzzy mathematics.The result shows that:the integrated fertility indexes of reclaimed soil are: 11years,0.69;6 years,0.73;4 years,0.65;2 years,0.62.The curve regression of change tendency of the soil fertility in reclaimed land is made by using SPSS 13.0.And the regression function is presented.The purpose of the paper is to provide scientific basis for approval and amelioration of soils of reclaimed land,and to take references for studies similar area." @default.
- W2352807974 created "2016-06-24" @default.
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- W2352807974 date "2011-01-01" @default.
- W2352807974 modified "2023-09-25" @default.
- W2352807974 title "Comprehensive assessment and tendency analysis of soil fertility of reclaimed land based on fuzzy mathematics" @default.
- W2352807974 hasPublicationYear "2011" @default.
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