临夏地区农用地等级综合评价方法  

A discussion on the comprehensive evaluation method of agricultural land grade in Linxia region

作　　者：冯备战[1] 吴永强[1] 刘文辉[1] 王翔[1] 李春亮[1] FENG Bei-Zhan;WU Yong-Qiang;LIU Wen-Hui;WANG Xiang;LI Chun-Liang(Geological Survey Institute of Gansu Province,Lanzhou 730000,China)

机构地区：[1]甘肃省地质调查院,甘肃兰州730000

出　　处：《物探与化探》2020年第6期1455-1463,共9页Geophysical and Geochemical Exploration

基　　金：中国地质调查局项目“甘肃省临夏地区1∶25万土地质量地球化学调查”(DD20160319-12)。

摘　　要：以土地质量地球化学调查成果数据及收集的农用地环境综合资料为基础,对甘肃临夏地区的土地等级进行了准确划分,其方法以农业地貌和亩产量作为宏观指标,以土壤性状、土壤养分、土地清洁度、生命健康元素含量作为微观指标,对各指标进行分解、量化、赋值等整合性评价。评价结果客观全面地反映了临夏地区土地等级内涵,达到了利用宏观指标分等、微观指标定级的新观点划分土地等级的实际意义,为农用地土地质量调查地籍档案的建立和土地管理决策提供了重要的科学依据。The method proposed in this paper is based on the use of land quality geochemical survey data and the collected comprehensive information on agricultural land environment to accurately classify the land grades in Linxia,Gansu.Taking the agricultural landform and yield per mu as macro-level indicators,the authors used the soil traits,soil nutrients,land cleanliness and life-health elements as micro-indicators to decompose,quantify and assign various indicators.The authors objectively and comprehensively used the new viewpoints of macro-index grading and micro-level grading,established cadastral archives of agricultural land quality survey,and provided an important basisfor land management decision-making.

关 键 词：农用地 综合评价 分等定级 临夏地区 

分 类 号：P632[天文地球—地质矿产勘探]