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中国生态农业学报 2005
Study 0ntheiIldex system of eco-agriculturalland evaluatiow-A csse studyfrom ShandongProvince
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Abstract:
According to the principles in setting up index system of eco-agricultural land evaluation,a reference index corpus which can be selected by different eco-agricultural regions is established.The principal component analysis(PCA) is used to select and optimize indexes from nineteen ones in four index groups.Finally,eleven indexes are defined as the index system of land evaluation for the eco-agricultural county.