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1、中国主要农产品的分布（DistributionofmajoragriculturalproductsinChina）(1)productionanddistributionofmajorgraincrops1.paddyRiceisoneofthemainfoodcropsinchina.RiceplantinginChinahasalonghistory,istheworld'slargestriceproductioncountries.Riceoccupiesthefirstplaceinthenationalfoodproductionandpeople'slivingconsu
2、mption.AccordingtothericeonSoilandwateradaptabilityofsize,canbedividedintotwotypesofuplandriceandrice,ourcountryismainlyrice,uplandriceplantingrarely.Accordingtothedifferentvarietiesofrice,canbedividedintoindicarice,japonicariceandglutinousrice;accordingtothematureperiodcanbedividedintorice,ricea
3、ndrice.RiceiswidelydistributedinChina,exceptinafewcoldoraridareas,fromHainanIslandtothelatitudeof18.5degreesnorthlatitude52degreesHeilongjianghumacountyfromtheeasttothewest,TaiwanandtheXinjiangaredistributed.Thedistributionofriceiswideanduneven,thesouthismoreandmoreconcentrated,thenorthislessands
4、cattered.Roughlydividedintotwomajorproducingareas(1)concentratedriceproducingareasinSouthChinaQinlingMountains,southofHuaihe,thevastareaeastoftheQinghaiTibetPlateau,accountsforabout95%ofthetotalriceareainthecountry.Accordingtoregionaldifferences,itcanbedividedintothreeareas.SouthernChinadoublecro
5、ppingindicariceregion.Fiveprovinces,includingGuangdong,Guangxi,Fujian,HainanandTaiwan,arelocatedinthesouthofNanlingmountains.Thisareabelongstothetropicalandsubtropicalhumidarea,waterandheatresourcesareabundant,longgrowthperiod,multiplecroppingindex,isChina'smainindicadoublericeregion.Cultivationo
6、fthreeseasonriceinlowlatitudeareasofHainan.ThesingleanddoublecroppingofYangtzeRiverbasin.ItincludesNanling,QinlingMountains,Zhejiang,Anhui,Jiangxi,Hubei,Hunan,Chongqing,Sichuan,ShanghaiandotherprovincesandcitiesofJiangsu,Huaihe,SouthandSouthshaanxi.Itislocatedinthesubtropicalzone,theheatisrelativ
7、elyabundant,fertilesoil,abundantrainfall,riverlakes,convenientirrigation,overtheyearsthericeplantingareaandoutputaccountedforabout2/3,isthelargestriceproducingareasinchina.TheareaintheYangtzeRiverDelta,Lixiaheplain,Anh
