兴安县耕地地力等级划分与评价

541300【】。【】《、》NY/T309-1996《》“”。【】7、4344ha12.7％、、24255ha71.3％、5430ha16.0％。【】。S159.2A2095-1191201107-0768-030【】2006。、。、、2009。200734029ha16962ha49.8%4604ha13.6%12463ha36.6%。。【】、2011-03-1620051963-2011427768-770JournalofSouthernAgriculture（XinganAgricultureBureauofSoilandFertilizerStationXinganGuangxi541300ChinaAbstract：【Objective】Thepresentstudywasconductedtoscientificallyevaluatethefertilitystatusofcultivatedlandinordertoimplementsoiltestingbasedfertilizerapplications，andtoadjustthestructuralofagriculturalindustryforitssus-tainabilityinXingncounty.【Method】Accordingtostandardsofnationalcultivatedlandclassification（NY/T309-1996），thegradesofcultivatedlandwereclassifiedandscientificevaluationwasperformedreferringtothetechniquesmentionedintheguidebookofevaluationofthecultivatedlandfertility，andusedtheinformationmanagementsystemresourcesofthecultivatedlandinXingancounty.【Result】ThecultivatedlandofXingancountywasdividedintosevengradesoffertility.Thegrade1-2，3-5and6-7covered4344（12.7%），24255（71.3%）and5430ha（16.0%）areasofcultivatedland.【Sug-gestion】Ithasbeensuggestedthatdifferentimprovementmeasuresshouldbetakenintoaccountwhichmustbebasedonthegradesofcultivatedland.Someofthemeasuressuggestedincludestrengtheningthepracticeofdeepplowing;balancedandsoiltestbasedapplicationoffertilizer;enhancingapplicationoforganicfertilizers;promotinggreenmanureplantationsandstraw/trashreturningtothesoils;promotingconstructionofwaterconservationfacilities，improvedirrigationfacilities，etc.Keywords：cultivatedland；fertility；classificationofgrades；evaluation；Xingan。。2001。2004。【】。【】、。11.1GIS、、、、。、《、》NY/T309-1996“”“”。1.2200617＞0.90、0.85~0.90、0.80~0.85、0.75~0.80、0.70~0.75、0.65~0.70、≤0.65。。22.134029ha71。2.2792ha2.3%4.7%。、、、、A-P-W-C32.7g/kg、21.8mg/kg、95.0mg/kgpH5.1~7.013500kg/ha。3552ha10.4%。3251ha19.2%36ha0.8%265ha2.1%。、A-P-W-CA-B-C31.4g/kg19.9mg/kg89.0mg/kgpH4.9~7.812000~13500kg/ha。6548ha19.2%。4697ha27.7%325ha7.1%1526ha12.2%。、。。29.4g/kg20.8mg/kg79.0mg/kgpH5.0~7.8。10500~12000kg/ha。1Fig.1FlowchartforevaluationofcultivatedlandRSGPSGIS////《》NY/7389-19967923251469742542374124534916962036325117818391023203460402651526367343892284326124637923552654891058602455287834029ItemPaddyfieldDrylandGardenplotTotal1(ha)Table1VariousgradesofcultivatedlandinXing'ancountyGradeTotal769··9105ha26.8%。4253ha25.1%1178ha25.6%3673ha29.5%。、。、。13~16cm27.8g/kg20.2mg/kg84.0mg/kgpH5.0~7.9。、、、。8206ha25.3%。2373ha14.0%1839ha39.9%4389ha35.2%。、、。。25.8g/kg20.4mg/kg81.0mg/kgpH4.9~8.1。7500~9000kg/ha、、、。4552ha13.4%。1245ha7.3%1023ha22.2%2284ha18.3%。、、。25.3g/kg18.6mg/kg78.0mg/kgpH5.0~7.5。、、6000~7500kg/ha。878ha2.6%。349ha2.1%203ha4.4%326ha2.6%。、。4500~6000kg/ha、。、、、。20.5g/kg17.9mg/kg65.0mg/kgpH5.3~7.6。3。、4344ha12.7％、、24255ha71.3％、5430ha16.0％。。.2006.M.72..2001.J.20310-1238..2009.J.3035-7..2004.J.224289-291..2003.GISJ.4140-144.()770··