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| 基于GIS的县域耕地地力评价——以云南省云县为例 |
| GIS-based Farmland Fertility Evaluation in County Territory:A Case study in Yunxian County, Yunnan Province, China |
| 投稿时间：2013-12-10 |
| DOI：10.13254/j.jare.2013.0240 |
| 中文关键词: 土壤肥力 综合评价 GIS技术 云南云县 |
| 英文关键词: soil fertility comprehensive evaluation GIS technology Yunxian County in Yunnan Province |
| 基金项目:云南省农业厅/云南省财政厅补贴云县测土配方施肥暨耕地地力评价项目(2041) |
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| 中文摘要: |
| 以云县为评价对象,基于ArcGIS软件的强大空间分析功能,采用层次分析法对耕地地力进行评价。评价结果显示:云县没有1级耕地分布,2~4级耕地有少量分布,占全县耕地8.23%;5~10级耕地分布较广,占全县耕地91.77%,云县耕地质量在国家标准地力等级体系中处于中等偏下水平。 |
| 英文摘要: |
| Taking Yunxian County as an evaluation object, on the basis of the powerful spatial analysis function of ArcGIS software, stratification analysis method to evaluate the farmland fertility was adopted. The results showed: there was no 1st class farmland in Yunxian; there was a little distribution of 2nd to 4th class farmland, taking 8.23% of all the farmland in the county; 5th to 10th class farmland was widely distributed, taking 91.77% of all the farmland in the county; and the farmland quality of Yunxian County was at a lower middle level in the national standard systems of soil fertility level. |
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