ASTM-D5268 Historical Revision Information
Standard Specification for Topsoil Used for Landscaping Purposes

ASTM-D5268 - 1992 EDITION - SUPERSEDED
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Standard Specification for Topsoil Used for Landscaping Purposes
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Scope

1.1 This specification covers a physical evaluation of an inorganic soil containing a limited amount of organic material, relative to its use as a topsoil for horticultural purposes in construction. For classification, a full agricultural textural classification may be used.

1.2 The presence in the soil of the correct nutrients and pH status is necessary for healthy plant growth. This specification does not, however, cover a determination of the nutrients, nor their availability.

Note 1—The nutrient content of topsoil is important and the nutrients usually evaluated are nitrogen, phosphate, and potassium. Nutrient deficiencies may be corrected using organic or inorganic fertilizers. Excess soluble salts should be examined as to their desirability. The acidity or alkalinity of the soil is also important. Excess acidity may be corrected by the application of lime. Excess alkalinity may be corrected by the application of sulfur or other suitable acidifying compounds. The latter item, in addition to lowering pH, also could be considered as an aggregate when considering the particle size distribution.

1.3 The values stated in SI units are to be regarded as the standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

landscaping; organic material; plant growth; soil; topsoil; ICS Number Code 65.020.40 (Landscaping and silviculture)

To find similar documents by ASTM Volume:

04.08 (Soil and Rock (I): D420 - D5876)

To find similar documents by classification:

65.020.40 (Landscaping and silviculture)

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Document Number

ASTM-D5268-92

Revision Level

1992 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

July 15, 1992

Document Type

Specification

Page Count

2 pages

Committee Number

D18.22