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作 者:谭克均 刘文锋 胡腾胜 韩峰 陈海燕 李莉婕[3] 童倩倩[3]
机构地区:[1]贵州省土壤肥料工作总站,贵州贵阳550001 [2]黔东南州土壤肥料站,贵州凯里556000 [3]贵州省农业科技信息研究所,贵州贵阳550006
出 处:《耕作与栽培》2015年第4期36-39,45,共5页Tillage and Cultivation
基 金:贵州省科技厅重大专项计划项目"主要农作物测土配方施肥技术集成与转化应用"[黔科合重大专项字(2007)6008];农业部财政部测土配方施肥资金补贴项目
摘 要:利用Arc-GIS9.0软件与县域耕地资源管理系统(4.0版)相结合,依据《全国耕地类型区、耕地地力等级划分》和《耕地地力调查与质量评价技术规程》,对黔东南州耕地地力进行评价和等级划分。结果表明:黔东南州耕地地力分为八个等级,其中一级地16 605hm2,占总耕地面积的3.90%;二级地37 157hm2,占总耕地面积的8.73%;三级地57481hm2,占总耕地面积的13.5%;四级地81 065hm2,占总耕地面积的19.04%;五级地94845hm2,占总耕地面积的22.27%;六级地62760hm2,占总耕地面积的14.74%,七级地59 367hm2,占总耕地面积的13.94%,八级地16 524hm2,占总耕地面积的3.88%。On the basis of Classification of Type Regions and Fertility of Cultivated Land in China and Rules for Soil Quality Survey and Assessment,study on the evaluation and the classified by its grade of farmland fertility in Qiandongnan by using A rc-GIS9.0and CLRMIS 4.0.The results indicated that the fertility of the farmland of Qiannan which is classified into eight levels,and among them the first level is 16605 ha,taken up 3.9percent of the total farmland area,the second level is 37157 ha,8.73 percent of the total,the third level is 57481 ha,13.5percent of the total,the fourth level is 81065 ha,19.04 percent of the total,the fourth level is 81065ha19.04 percent of the total,the fifth level is 94845 ha,22.27 percent of the total,the sixth level is 62760 ha,14.74 percent of the total,the seventh level is 59367 ha,13.94 percent of the total,the eighth level is 16524 ha,3.88 percent of the total.
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