Improvement of Soil Physical Properties with Soil Conditioners-中国期刊网

摘要 Effectsofnon-ionicpolyacrylamide(PAM),anionicpolyacrylamide(PHP),cationicpolyacrylamide(PCAM),non-ionicpolyvinylalcohol(PVA),anionichydrolyzedpolyacrylonitrile(HPAN)andpolyethleneoxide(PEO)onthephysicalpropertiesofthreedifferentsoilstpeswerestudied.contentofwater-stableaggregateslargerthan0.25mmincreasedtovaryingextentsfordifferentsoilsandsoilconditioners,Amongthesixkindsofcondiftioners,non-ionicpolyacrylamide(PAM)wasthemosteffectiveforredsoilwhilepolyethyleneoxide(PEO)theleasteffectiveforChaosoil,redsoilandyellow-brownsoil.Water-stableaggregateswiththemolecularweightofPEOwithinacertainrange.OnlyevaporationrateofChaosoildecreasedafteraplicationofPAMandHPANtoChaosoilandredsoil.

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Improvement of Soil Physical Properties with Soil Conditioners

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Improvement of Soil Physical Properties with Soil Conditioners

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