资源描述：
《许昌市不同土地利用方式对土壤速效养分 地影响》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、OpenJournalofSoilandWaterConservation水土保持,2015,3(4),65-74PublishedOnlineDecember2015inHans.http://www.hanspub.org/journal/ojswchttp://dx.doi.org/10.12677/ojswc.2015.34009CharactersonAvailableNutrientsofSoilsunderDifferentLandUseTypesinXuchangXiaohongFanCollegeofTourismandGeograph
2、icalScience,YunnanNormalUniversity,KunmingYunnanthththReceived:Dec.5,2015;accepted:Dec.27,2015;published:Dec.30,2015Copyright©2015byauthorandHansPublishersInc.ThisworkislicensedundertheCreativeCommonsAttributionInternationalLicense(CCBY).http://creativecommons.org/licenses/by/4.0
3、/AbstractOnthebasisoffieldsamplingandlaboratoryexperiment,thebasicphysicochemicalpropertiesandtheavailablenutrientsofsurfacesoils(0-10cm)wereanalyzedbetweensixlandusetypes(vegetablefield,orchard,cultivatedland,nursery,forestlandandurbangreenspace)inXuchangcity.Theeresultsshowedth
4、at:1)thesoilbulkdensitywasintherangeof0.9-1.82g/cm3andfollowedtheorderofurbangreenland>forestland>nursery>vegetableplots>orchard>culti-vatedland.2)ThevalueofpHwasintherangeof7.21-8.49,withthemeanof7.93,whichinda-catedthealkalinefeature.TheorderofpHwasvegetablefield>orchard>cultiv
5、atedland>nur-sery>forestland>urbangreenspace.3)Thecontentofsoilavailablenitrogenrangedbetween12.55to47.48mg/kg,withthemeanof26.01mg/kgandthelevelwasthesixth.Theorderofavailablenitrogenwascultivatedland>vegetablefield>orchard>forestland>nursery>urbangreenspace.4)Thecontentofsoilav
6、ailablephosphoruswasintherangeof11.54-11.54mg/kg,withthemeanof26.71mg/kgandthelevelwasthesecond,indicatingahighlyrichinthephos-phorus.Thesoilavailablephosphorusfollowedtheorder:urbangreenspace>orchard>nursery>vegetablefield>forestland>cultivatedland.5)Thesoilavailablepotassiumcon
7、tentrangedbe-tween129.5to295.3mg/kg,withthemeanof234.59mg/kgandthelevel.Theorderofsoilavail-ablepotassiumwascultivatedland>nursery>vegetablefield>orchard>woodland>urbangreenspace.KeywordsSoilAvailableNutrients,LandUseTypes,SurfaceSoil,XuchangCity文章引用:范晓红.许昌市不同土地利用方式对土壤速效养分的影响[J].
8、水土保持,2015,3(4):65-74.http://dx.doi.org/1
