ASTM D5268-2007 园林设计用耕作层土的标准规范

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【英文标准名称】:StandardSpecificationforTopsoilUsedforLandscapingPurposes
【原文标准名称】:园林设计用耕作层土的标准规范
【标准号】:ASTMD5268-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D18.22
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:园林设计;土壤
【英文主题词】:landscaping;organicmaterial;plantgrowth;soil;topsoil
【摘要】:1.1Thisspecificationcoversaphysicalevaluationofaninorganicsoilcontainingalimitedamountoforganicmaterial,relativetoitsuseasatopsoilforhorticulturalpurposesinconstruction.Forclassification,afullagriculturaltexturalclassificationmaybeused.1.2ThepresenceinthesoilofthecorrectnutrientsandpHstatusisnecessaryforhealthyplantgrowth.Thisspecificationdoesnot,however,coveradeterminationofthenutrients,northeiravailability.Note1-Thenutrientcontentoftopsoilisimportantandthenutrientsusuallyevaluatedarenitrogen,phosphate,andpotassium.Nutrientdeficienciesmaybecorrectedusingorganicorinorganicfertilizers.Excesssolublesaltsshouldbeexaminedastotheirdesirability.Theacidityoralkalinityofthesoilisalsoimportant.Excessaciditymaybecorrectedbytheapplicationoflime.Excessalkalinitymaybecorrectedbytheapplicationofsulfurorothersuitableacidifyingcompounds.Thelatteritem,inadditiontoloweringpH,alsocouldbeconsideredasanaggregatewhenconsideringtheparticlesizedistribution.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B11
【国际标准分类号】:65_020_40
【页数】:2P.;A4
【正文语种】: