Standard Historical Last Updated: Feb 06, 2013 Track Document
ASTM D5539-94(2008)

Standard Specification for Seed Starter Mix

Standard Specification for Seed Starter Mix D5539-94R08 ASTM|D5539-94R08|en-US Standard Specification for Seed Starter Mix Standard new BOS Vol. 04.08 Committee D18
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Abstract

This specification covers the material characteristics, physical requirements, and sampling, of soil or soil-like material for seed starter mix. Starter mix may include natural soils and mixtures of natural or artificial materials for use in initial germination of seeds to the cotyledon stage. Seed starter mix shall be able to provide a germinating seed with basic needs such as aeration, water retention, surface crusting resistance, nutrients, soluble salts, optimum pH, sanitation, and bulk density that does not inhibit root elongation. Materials for seed starter mix may include vermiculite, sphagnum peat moss, perlite, coarse sand, expanded shale, clay, slate, peat humus, other peat products, composted organic materials, and other organic and inorganic materials.

Scope

1.1 This specification covers the material characteristics, physical requirements, and sampling appropriate to the designation of a soil or soil-like material for seed starting purposes. This would consist of the duration of germination ending after the cotyledon stage (at the opening of the first true leaves).

1.2 Seed starter mix may include natural soils and artificial mixtures of natural or artificial materials used for the initial germination of seeds to the cotyledon stage.

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Details
Book of Standards Volume: 04.08
Developed by Subcommittee: D18.22
Pages: 2
DOI: 10.1520/D5539-94R08
ICS Code: 65.020.20