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1、中国主要农产品的分布(DistributionofmajoragriculturalproductsinChina)(1)productionanddistributionofmajorgraincrops1.paddyRiceisoneofthemainfoodcropsinchina.RiceplantinginChinahasalonghistory,istheworld'slargestriceproductioncountries.Riceoccupiesthefirstplaceinthenationalfoodproductionandpeople
2、'slivingconsumption.AccordingtothericeonSoilandwateradaptabilityofsize,canbedividedintotwotypesofuplandriceandrice,ourcountryismainlyrice,uplandriceplantingrarely.Accordingtothedifferentvarietiesofrice,canbedividedintoindicarice,japonicariceandglutinousrice;accordingtothematureperiod
3、canbedividedintorice,riceandrice.RiceiswidelydistributedinChina,exceptinafewcoldoraridareas,fromHainanIslandtothelatitudeof18.5degreesnorthlatitude52degreesHeilongjianghumacountyfromtheeasttothewest,TaiwanandtheXinjiangaredistributed.Thedistributionofriceiswideanduneven,thesouthismor
4、eandmoreconcentrated,thenorthislessandscattered.Roughlydividedintotwomajorproducingareas(1)concentratedriceproducingareasinSouthChinaQinlingMountains,southofHuaihe,thevastareaeastoftheQinghaiTibetPlateau,accountsforabout95%ofthetotalriceareainthecountry.Accordingtoregionaldifferences
5、,itcanbedividedintothreeareas.SouthernChinadoublecroppingindicariceregion.Fiveprovinces,includingGuangdong,Guangxi,Fujian,HainanandTaiwan,arelocatedinthesouthofNanlingmountains.Thisareabelongstothetropicalandsubtropicalhumidarea,waterandheatresourcesareabundant,longgrowthperiod,multi
6、plecroppingindex,isChina'smainindicadoublericeregion.CultivationofthreeseasonriceinlowlatitudeareasofHainan.ThesingleanddoublecroppingofYangtzeRiverbasin.ItincludesNanling,QinlingMountains,Zhejiang,Anhui,Jiangxi,Hubei,Hunan,Chongqing,Sichuan,ShanghaiandotherprovincesandcitiesofJiangs
7、u,Huaihe,SouthandSouthshaanxi.Itislocatedinthesubtropicalzone,theheatisrelativelyabundant,fertilesoil,abundantrainfall,riverlakes,convenientirrigation,overtheyearsthericeplantingareaandoutputaccountedforabout2/3,isthelargestriceproducingareasinchina.TheareaintheYangtzeRiverDelta,Lixi
8、aheplain,Anh