基于GIS耕地地力評價研究——以甘州區(qū)為例.pdf

1、甘肅農業(yè)大學碩士學位論文基于GIS耕地地力評價研究——以甘州區(qū)為例姓名：萬建宏申請學位級別：碩士專業(yè)：土壤學指導教師：楊虎德20100601一』嬲煳必曼葛曼曼置曼曼曼曼璺曼量鼉罡鼉皇置冒葛葛曼篁皇皇量皇葛皇舅鼉曼鼉皇鼉舅V17o^^■天。。SUMMARYGanZlloudistrictislocatedinZhangyeheartland，Itis鋤importantcomponentintheinlandtemperateoasisi

2、ntheworld。刪eitistheseedofcultivatingindustrialbaseinChina。Inord日toevaluate1hecultivated1andfertilityevaluationandtousethelimitedlandR80l黻rationallytoPreventlanddegradationtoimprovetheconditionoflhecultivatedlandutilizati

3、on，tostriventhequalityofcultivatedlandprotectionandconstructionandthehealthydevelopmentofseedindustrytocreategoodcondilionsforFoodsafetyandagriculturalsmactureadjustmentTheconditionin缸lispapczbasedorlGanzhouDislrictinGan

4、suProvince，11indicatoeshavebeenchosentoevaluatecultivatedlandsbylhe喇m酏odAndtheweightofeachfactorisdctaminedbyAHPoThepapa“setsupsubjeaiveintermsoftheir刪csanddifferentinfluenceonthequalityofoalfivatedlandwiththefuzzymamana

5、ticsm刮均dByapplmg∞心Ⅳ骶plD∞訪gofGISplatform，lhed刮矗慨on‘、鋤豳ld函曬idw罄。明夠舡ud司Meanwhile，applyingthe批mocld，訕曲bas。d0ll刪目d瓶船嗍燈礎毗臨讎硫羽腳翩i腳如of砌衲腳land№052redO78n鵬lhe叩|刪is∞珥d蒯by血枷Ilg讎蛐0fcl|]㈨l鋤ds幽fivegradesinGanZlaouDistrictwitha鞠tisliI西眄

6、conclusioninlinewiththerealitiesTheliragradecultivatedland出蚰概mainlyliangjiadtmd=團19an幽觚Ig血andxindlm幻w皤峨Thesecxmdandthirdgradecullivatedlandsdistnbute棚Ⅵ面舢s憑鯽ThefouahandtitthgradeollfiVdtedlandsdistnbutemainlyontheHexiand啦

7、腳脅此搠di納Iti伽，砥刪列嘲礎訓：v刪lands冊97％which鼬inlhemajo衄F(xiàn)inallyfromliaefactofresea吐regionsThepapa“pll鼬themodeloflhescienlitictailizalionand‘bⅡ蛐鋤ea雙ln葛ofTheirUtilizationandAmdioratimInconclusion，thepaperhasmanagedtoputforwardGISflo

8、wwhich11applicabletobuilddatabase，andgivenanefficienttechniqueprocessandworkingmethodforcroplandcapacitysurveyandqualityevaluationbycalculatingParameterandexportingresultmapautomaticallysupportcxibyGISKeywords：GanZhouDis