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- W2384092623 abstract "The temporal-spatial variability of soil fertility quality was studied with correlation analysis of SAS statistic method and the soft wares of ArcGIS to analysis the soil nutrient data of long-term located farmland in Feicheng County from 1998 to 2004,which provides guidelines and validations for local soil nutrient resources management.The research results showed that:On spatial scale,the soil nutrient indicators and soil nutrient index in research area manifested general increasing trends.Soil organic matters,available P and available K, the three soil nutrient indicators increased by 3.20gkg~(-1),15.29mg kg~(-1)and 40.07mg kg~(-1),respectively;the content of available N maintained at a level in the neighborhood of 76.67mg kg~(-1);On spatial scale,soil organic matters,available P,available K and available N showed increases in most parts of research area,except some trivial areas.Spatial and temporal variability regular indicated that soil nutrient index increase accounted for 41.31%of total area and only 9.05%decrease.More scientific and technological measurements should be taken to intensify nutrient equilibrium and managements of nutrient resources to promote the comprehensive quality of soil fertility." @default.
- W2384092623 created "2016-06-24" @default.
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- W2384092623 date "2009-01-01" @default.
- W2384092623 modified "2023-09-25" @default.
- W2384092623 title "TEMPORAL-SPATIAL VARIABILITY AND EVALUATION OF LONG-TERM LOACTED FARMLAND SOIL NUTRIENTS BY GIS——A case study of Feicheng County" @default.
- W2384092623 hasPublicationYear "2009" @default.
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