Subcommittee D18.22 on Media for Plant Growth | ASTM

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Subcommittee D18.22 on M…

Subcommittee D18.22 on Media for Plant Growth

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Matching Standards Under the Jurisdiction of D18.22 by Status

D1997-25 Standard Test Method for Laboratory Determination of the Fiber Content of Peat and Organic Soils by Dry Mass
-See also WK90762 proposed Reapproval
D2944-22 Standard Practice of Sampling Processed Peat Materials for Horticultural Purposes
-See also WK89330 proposed Revision
D2973-23 Standard Test Method for Total Nitrogen in Peat Materials
D2978-23 Standard Test Method for Volume of Peat and Peat-Based Growing Media
-See also WK89331 proposed Revision
D5268-23 Standard Specification for Topsoil Used for Landscaping and Construction Purposes
D2974-25e1 Standard Test Methods for Determining the Water (Moisture) Content, Ash Content, and Organic Material of Peat and Other Organic Soils
D2976-22a Standard Test Method for pH of Peat Materials
D4531-23 Standard Test Methods for Bulk and Dry Density of Peat and Peat Products
-See also WK89332 proposed Revision
D5715-23 Standard Practice for Estimating the Degree of Humification of Peat and Other Organic Soils (Visual/Manual Method)
-See also WK89334 proposed Revision
D2977-22 Standard Practice for Particle Size Range of Peat Materials for Horticultural Purposes
-See also WK89351 proposed Revision
D4544-25 Standard Practice for Estimating Peat Deposit Thickness
-See also WK93863 proposed Revision
-See also WK89333 proposed Revision
D4972-19(2024)e1 Standard Test Methods for pH of Soils
-See also WK71770 proposed Revision
D5883-25 Standard Guide for Use of Rotary Kiln Produced Expanded Shale, Clay or Slate (ESCS) as a Mineral Amendment in Topsoil Used for Landscaping and Related Purposes
-See also WK89948 proposed Revision
D8249-19(2024) Standard Practice for Use of Rotary Kiln Produced Porous Ceramic as a Mineral Amendment in Topsoil Used for Landscaping and Related Purposes
-See also WK82190 proposed Revision
D8438/D8438M-23 Standard Test Methods for Use of Hyperspectral Sensors for Soil Nutrient Analysis of Ground Based Samples
D8593-24 Standard Test Method for Determining the Physical Properties of Horticultural Growing Media Utilizing a Porometer

D2980-17e1 Standard Test Method for Saturated Density, Moisture-Holding Capacity, and Porosity of Saturated Peat Materials (Withdrawn 2026)
-See also WK92744 proposed Withdrawal
D5435-13 Standard Test Method for Diagnostic Soil Test for Plant Growth and Food Chain Protection (Withdrawn 2019)
D5435 Standard Test Method for Diagnostic Soil Test for Plant Growth and Food Chain Protection (Withdrawn 2019)
D5539 Standard Specification for Seed Starter Mix (Withdrawn 2019)
D5539-14 Standard Specification for Seed Starter Mix (Withdrawn 2019)