基于GIS的吉林省县级耕地地力评价与评价指标体系的研究
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F323.221

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农业部全国“耕地地力调查与质量评价”项目(农财发[2004]26号)


Researches on the Evaluation of Integrated Soil Fertilities of Farmlan at County Level in Jilin Province and the Evaluation Index System Based on GIS—Taking Jiutai City for Example
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    摘要:

    在耕地地力调查的基础上,采用GIS技术和模糊评价、层次分析和综合指数法等,对吉林省九台市基本农田耕地地力进行评价。结果表明,全市17.60万hm2基本农田耕地可分为6级,其中,1级地IFI(地力综合指数)>0.85,面积为2.07万hm2,占总面积的11.8%;2级地IFI0.8~0.84,面积5.72万hm2,占32.5%;3级地IFI0.75~0.79,面积4.50万hm2,占25.6%;4级地IFI0.70~0.74,面积2.49万hm2,占14.2%;5级地IFI0.65~0.69,面积1.84万hm2,占10.4%;6级地IFI<0.65,面积0.98万hm2,占5.5%。并采用归纳法,建立起九台市耕地地力评价的指标体系。

    Abstract:

    On the basis of the investigation of farmland fertilities, the fertility of farmland in Jiutai city of Jilin province was evaluated using the GIS technique, fuzzy evaluation, level analysis, integrated indexes, etc. The results showed that the basic cultivated farmland (17.59 104 hectares) in the whole city can be divided into 6 grades, among which the IFI (Integrated fertility index) of the cultivated land at the first grade was bigger than 0.85. Its area was 2.07 104 hectares, accounting for 11.8% of total cultivated area. The IFI of the cultivated land at the second grade was between 0.8 and 0.85. Its area was 5.72 104 hectares, accounting for 32.5% of total cultivated area. The IFI of the cultivated land at the third grade was between 0.75 and 0.80. Its area was 2.49 104 hectares, accounting for 10.4% of total cultivated area. The IFI of the cultivated land at the fourth grade was between 0.70 and 0.75. Its area was 2.49 104 hectares, accounting for 14.2% of total cultivated area. The IFI of the cultivated land at the fifth grade was between 0.65 and 0.70. Its area was 1.84 104 hectares, accounting for 10.4% of total cultivated area. The IFI of the cultivated land at the sixth grade was less than 0.65. Its area was 0.98 104 hectares, accounting for 5.5% of total cultivated area. By adopting the method of induction, the evaluation index system of farmland fertility in Jiutai city was established.

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黄健,李会民,张惠琳,马兵,孙宇新,张国恩,朱健菲.基于GIS的吉林省县级耕地地力评价与评价指标体系的研究[J].东北农业科学,2007,32(1):57-62.

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  • 收稿日期:2006-02-21
  • 最后修改日期:2006-05-30
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  • 在线发布日期: 2025-03-11
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