| 辽宁省昌图县土壤养分现状及耕地地力评价 |
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| 引用本文： | 魏诺,孙继光,李双异,李金凤,徐志强,王雅维,汪景宽. 辽宁省昌图县土壤养分现状及耕地地力评价[J]. 安徽农业科学, 2009, 37(30): 14808-14810 |
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| 作者姓名： | 魏诺 孙继光 李双异 李金凤 徐志强 王雅维 汪景宽 |
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| 作者单位： | 魏诺,孙继光,李双异,汪景宽(沈阳农业大学,辽宁,沈阳,110161);李金凤,徐志强,王雅维(辽宁省昌图土肥站,辽宁,昌图,112534) |
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| 基金项目： | 农业部耕地地力调查与评价项目 |
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| 摘 要： | 应用基于GIS技术进行二次开发的CLRMIS（县域耕地资源管理信息系统）软件，对辽宁省昌图县耕地地力进行评价。结果表明，1982—2007年昌图县土壤速效磷含量明显增加，而速效钾含量明显下降。目前2、3等耕地占耕地总面积的87．7％。
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| 关 键 词： | 耕地地力 评价指标 土壤养分 |
Soil Nutrient Status and Cultivated Land Fertility Evaluation in Changtu County of Liaoning Province |
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| WEI Nuo et al. Soil Nutrient Status and Cultivated Land Fertility Evaluation in Changtu County of Liaoning Province[J]. Journal of Anhui Agricultural Sciences, 2009, 37(30): 14808-14810 |
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| Authors: | WEI Nuo et al |
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| Affiliation: | WEI Nuo et al (Shenyang Agricultural University,Shenyang,Liaoning 110161) |
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| Abstract: | With CLRMIS software(country cultivated land resources management information system) secondary developed based on GIS,the cultivated land fertility in Changtu County of Liaoning Province was evaluated.The results showed that soil available P content in Changtu County from 1982 to 2007 was increased obviously,while available K content was decreased obviously.The area of second and third grade cultivated land was 87.7% of the total cultivated area of the Country. |
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| Keywords: | Cultivated land fertility Evaluation index Soil nutrient |
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