2022年12月Dec.2022第46卷第6期Vol.46,No.6热带农业工热带农业工程TROPICALAGRICULTURALENCINEERING定安县耕地质量现状分析①魏大钦1,3)②陈俊石3,5)张冬明2,3,4)③王关泽2,3,4)（1定安县农业科技发展中心海南定安571200；2海南省农业科学院农业环境与土壤研究所海南海口571100；3农业农村部海南耕地保育科学观测试验站海南海口571100；4海南省耕地保育重点实验室海南海口571100；5保亭县农业服务中心海南保亭572300）摘要本文在耕地质量调查评价基础上，对定安县耕地质量进行了综合评价与等级划分，系统论述海南省定安县耕地质量状况，并分析了耕地质量退化的成因。结果表明，定安县耕地质量加权平均等级为5.47，整体水平中等偏差，部分乡镇耕地土壤有机质和速效钾含量偏低。建议在今后的耕地质量保护与提升工作中，除了大力推广测土配方施肥技术，还需优化施肥方案、增施有机肥等，以提升耕地质量水平，实现农业绿色发展。关键词耕地质量；定安；提升；对策中图分类号S158；F323.211AnalysisofCultivatedLandQualityinDing'anCountyWEIDaqin1,3)CHENJunshi3,5)ZHANGDongming2,3,4)WANGGuanze2,3,4)[1AgriculturalScienceandTechnologyDevelopmentCenterofDing'anCounty,Ding'an,Hainan571200;2InstituteofAgriculturalEnvironmentandSoil,HainanAcademyofAgriculturalSciences,Haikou,Hainan571100;3ScientificObservingandExperimentalStationofArableLandConservation(Hainan),MinistryofAgricultureandRuralAffairs,Haikou,Hainan571100;4HainanKeyLaboratoryofCultivatedLandPreservation,Haikou,Hainan571100;5AgriculturalServiceCenterofBaotingCounty,Baoting,Hainan572300]AbstractBasedontheevaluationofcultivatedlandquality,thispapercomprehensivelyevaluatesandgradesthecultivatedlandqualityinDing'anCounty,systematicallydiscussesit'ssituationofcultivatedlandqualityandanalyzesthecausesofcultivatedlandqualitydegradation.TheresultsshowedthattheweightedaveragegradeofcultivatedlandinDing'ancountyonlyreached5.47,theoveralllevelwasmoderatedevia‐tion,andthecontentsofsoilorganicmatterandavailablepotassiuminsomevillagesandtownswerelow.Itissuggestedthatinthefutureprotectionandimprovementofcultivatedlandquality,weshouldvigorouslypromotesoiltestingandformulafertilization,taketargetedmeasurest...
