Assessments of agricultural eco-environmental quality of topsoils in Fuzhou City
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    Abstract:

    Abstract:Geochemical indices and the method of integral values in the hierarchical cluster model are used and 16 indices such as N, P and K2O are chosen to carry out a preliminary classification of the agricultural eco-environmental quality of topsoils in Fuzhou. Five ranks of agricultural eco-environment districts are distinguished. Among them, the general eco-environmental district is largest, accounting for 58% of the total area. The excellent and good eco-environmental districts are relatively small and the area of the two districts is equivalent to the very poor eco-environmental district, accounting for~3%. Most eco-environmental districts are rich in potassium and poor in trace elements and minor elements. According to the characteristic of various eco-environmental districts, the authors put forward suggestions of the overall agricultural planning and layout in Fuzhou.

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WEI Wei-xing. Assessments of agricultural eco-environmental quality of topsoils in Fuzhou City[J]. Geology in China, 2007, 34(2): 354-358(in Chinese with English abstract).

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  • Online: April 07,2013
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