RATE OF CHANGE OF pH IN SOME ACID SOILS DUE TO LIMING
[摘要] Limeattherateof0,3000,6000,12,000and24,000pp2mwasappliedtofouracidsoilsandallowedtoincubateforaperiodof140days.TherateandextentofchangeinpHwasfollowed.InallfoursoilstherateofreactionwasveryrapidandmostoftheincreaseinpHwasobtainedwithin3daysafterapplication.AtallratesofliminginthefoursoilstherewasageneraldecreaseinpHfollowingthepeakobtainedwithinthefirst30days.ItwasalsofoundthattherateofchangeinpHofasoilthathadbeenlimedwasgreatlyinfluencedbythemoisturecontent.ThechangeinpHwasmuchmorerapidandextensiveat25percentmoisturethanat10percent.
[发布日期] [发布机构]
[效力级别] [学科分类] 农业科学(综合)
[关键词] [时效性]