A COMPARATIVE STUDY OF A SULPHUR RESPONSIVE AND A NON-RESPONSIVE GREY WOODED SOIL
[摘要] Achemicalandbiologicalcomparisonwasmadeoftheprofilesofasulphur-responsive(LoonRiverloam)andanon-responsive(Garrickloam)GreyWoodedsoil.Bothsoilswerefoundtocontainrelativelylargequantitiesofbarium,buttheLoonRiversoilhadlargerquantitiesofreadilysolublebariumthantheGarricksoil.Althoughbothsoilswerefoundtotoecapableofprecipitatingsulphateinanacidmedium,theLoonRiverprecipitatedmoresulphatethantheGarrick.Thisprecipitationwasfoundtooccurbothwithinthesoilandinanacidextractofthesoil.Baritewasfoundinthe6-to8-inchand22-to26-inchhorizonsoftheLoonRiversoil,butnotinanyhorizonoftheGarricksoil.ItwasfoundthatwitheitherincubationorseedlingextractiontheLoonRiversoildidnotreleasenearlyasgreataquantityofsolublesulphateastheGarricksoil,whileonincubationitdidreleaseaquantityofnitrateequivalenttothatreleasedbytheGarricksoil.TheLoonRiversoilwasfoundtocontainm...
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[效力级别] [学科分类] 农业科学（综合）
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