RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2005, Vol. 14 >> Issue (2): 193-197.

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A STUDY OF ECOLOGICAL AGRICULTURE PATTERN THROUGH THE PRINCIPAL COMPONENTS ANALYSIS IN SOUTHEAST RED SOIL REGION

CHEN Chang-qing（1）, BIAN Xin-min（1）, HE Yuan-qiu（2）, WU Da-fu（3）   

  • Received:1900-01-01 Revised:1900-01-01 Online:2005-03-20
  • Contact: CHEN Chang-qing

Abstract: Twenty-four indexes of agriculture ecological pattern were analyzed with the principal components analytic method to red soil region of southeast of China. The result indicated that, the output value per labour force , the output value of unit field area, the output value per person are the major indexes of the first principal components, the balance index of N, the output value per labour force and the pesticide quantity per unit field area are the major quotas of the second principal components, the balance index of P, the balance index of K and the output value per person are the major indexes of the third principal components. The comprehensive evaluation result indicated the score of the pattern of the farming - animal husbandry -machining in Yujiang is the highest, thus it is a best agricultural ecological pattern. The comprehensive evaluation result has provided the reliable choice and the development basis for ecological agriculture pattern in the red soil region.

Key words: principal components analysis, red soil region, ecological pattern, comprehensive evaluation

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