耕地质量数据库系统设计与实现

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中图分类号:TP391 文献标志码:A 文章编号:2096-9902(2025)22-0017-04

Abstract:Aimingatthecharacteristicsoflargeamountofarablelandqualitydataandmulti-sourceheterogeneity,norder torealizethemanagementofarablelandqualityrelateddataanddataprocesingandanalysis,thisstudyisbasedonmultisourcearablelandqualitydatausing PostgreSQLdatabasetomanagearablelandqualtydatasetsinthefomof spatialdata andnon-spatialdata.Accordingtothecorelationofarablelandqualitydata,theQNNfilingmetodisusedforthespatial misingdataofarableland,andthe SANNfillng methodisusedforthenon-spatialmissingdataofarableland.Thedesign andimplementationoftheaablelandqualitydatabasesystemiscompleted,whichcanmetthemissngfllngrequirementsof theexistingarablelandqualityevaluationdata.Atthesametime,italsoprovidesdataqueryfunctions,datapublishing functions,data browsing functions and background management functions.

Keywords:arable land;arable land quality;database system; system design; system implementation

耕地是以土壤、地形、作物为基础,以自然条件为前提,以利用水平为保障的一种土地类型,是人类赖以生存与发展的重要资源和物质基础,是人类获取粮食和其他农产品不可替代的生产资料,是构成粮食综合生产能力的最基本要素之一[2],亦是实现国家粮食安全的基础和保证[3]。(剩余6430字)

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