GEOGRAPHICDISTRIBUTIONOFTHEIMPORTANTSOILSOFCHINA

SoilsofChinaaresubdivided,onthebasisofmorphologicalandchemicalcharacteristics,intovariousbroadgroupswhicharecorrelatedwiththesimilartypesinEurope,Americaandvarioustropicalregions.Pedalfersinclude1.Stronglypodzolizedsoils2.Groundwaterpodzols3.Brownforest(?)soils4.Gray-brownforestsoils5.Gray-brownforestclaypans6.Gray-brownforestsoilsofSzechuanBasin7.Podzolizedredearths8.Olderredearthswithlateriticparentmaterials9.Non-calcareous(?)oilsofalluvialandlacustrineorigin10.Ricepaddypodzolizedsoils.Pedocalsinclude1.Chernozem,matureandimmature2.Degradedchernozem3.Chestnutearths,―bothmatureandimmaturedarkandlightchestnutearths4.Graydesertsoilsandsanddunes5.Calcareoussoilsofrecentalluvialorigin.Alkalisoilsinclude:1.Solonetz-solonchakComplex2.Salinesoilsofalluvialorigin.Amapshowstheapproximatedistributionoftheimportanttypes.ThereadetisremindedthatthemapisofatentativenatureinthatitdoesnotrepresentacompleteknowledgeofthesoilgeographyofChina.Borndariesbetweenthevarioussoilgroupsaresubiecttochangeasmoreinformationisaccumulated.