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时间:2020-02-29
《绵阳市游仙区耕地质量等别更新分析 优先出版.pdf》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、DOI:10.13989/j.cnki.0517-6611.2017.11.059网络出版时间:2017-05-0408:36:44_`网络出版地址:abcd,Journalhttp://kns.cnki.net/kcms/detail/34.1076.S.20170504.0836.118.htmlofAnhuiAgri.Sci.2017,45(11):186-190W456,,,(JA):%&,;<=Z621010)78n0ArcGIS,*C、P*+m、-、*+u、*+pH、、C、85f¡¢,£¤q:
2、t¥¦Dx0m§¨uWDJK,©ª§¨«¬®、©ªn0«¬®、©ª¯°«¬®35fq±²³´m2u«¬UV>WX。NOPQ,µ¶%
3、·¸,2014¸±²³´m¹º»111.79hm,¼´m«¬½¾«¬¿·5ÀÁDÂH,ÃpÄ£¤ÅÆq´mDÇ¡1´¥ÈCDÉU,ÊË´m̬。9:;´mu;«¬®;±²³<=5>?S157@ABCDA@EF?0517-6611(2017)11-0186-05NewRoundoftheQualityofCultivatedLandClassificationRenewal—A
4、CaseStudyinYouxian,MianyangMOCaijian,CHENLi,FANMinetal(SouthwestUniversityofScienceandTechnology,Mianyang,Sichuan621010)AbstractUsingArcGISsoftware,fromeightaspects:soilthickness,soiltexture,soilprofileconstruct,soilorganicmattercontent,soilpH,drainageco
5、ndition,slope,irrigationassurance,fromthreeaspectsasnationalnaturallevels,countriesuselevel,thenationaleconomiclevel,tocalculatethedesignatedcultivatedlandnaturalqualityscore,theclassificationofthecultivatedlandwereanalyzed.Theresultsshowedthatthecultivat
6、edlandinYouxianDistrictwasreduced111.79hectaresin2014comparedwithlastyear,buttheoverallclassificationwasmaintainasteadystate.Laterwecouldimprovetheclassificationofcultivatedlandthroughincreasedtheinvestmentinfarmlandandimprovementofthefarmingsystem.Keywo
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