Subcommittee D18.22 on Media for Plant Growth
Matching Standards Under the Jurisdiction of D18.22 by Status
- D2980-17e1 Standard Test Method for Saturated Density, Moisture-Holding Capacity, and Porosity of Saturated Peat Materials
- -See also WK92744 proposed Withdrawal
- -See also WK82188 proposed Revision
- D5268-23 Standard Specification for Topsoil Used for Landscaping and Construction Purposes
- D1997-20 Standard Test Method for Laboratory Determination of the Fiber Content of Peat and Organic Soils by Dry Mass
- -See also WK90762 proposed Reapproval
- -See also WK82195 proposed Revision
- 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
- D2974-25 Standard Test Methods for Determining the Water (Moisture) Content, Ash Content, and Organic Material of Peat and Other Organic Soils
- -See also WK82187 proposed Revision
- D2976-22a Standard Test Method for pH of Peat Materials
- -See also WK71801 proposed Revision
- D2977-22 Standard Practice for Particle Size Range of Peat Materials for Horticultural Purposes
- -See also WK89351 proposed Revision
- D2978-23 Standard Test Method for Volume of Peat and Peat-Based Growing Media
- -See also WK89331 proposed Revision
- D4531-23 Standard Test Methods for Bulk and Dry Density of Peat and Peat Products
- -See also WK89332 proposed Revision
- D4544-20(2024) 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
- -See also WK82189 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
- D5883-18 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
- -See also WK86749 proposed Reapproval
- 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
- -See also WK71769 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
- WK75979 Determination of the electrical conductivity of plant soil substrates
- WK86664 Determining the Total Porosity, Container Capacity and Air Space of a Growing Media utilizing a Porometer
- D5435-13 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)
- D5435 Standard Test Method for Diagnostic Soil Test for Plant Growth and Food Chain Protection (Withdrawn 2019)