Subcommittee D18.22 on Media for Plant Growth


    Showing results 1-15 of 15 matching ACTIVE standards under the jurisdiction of D18.22     D18 Home

    D1997-13 Standard Test Method for Laboratory Determination of the Fiber Content of Peat Samples by Dry Mass

        See also WK65898 proposed revision

    D2944-14 Standard Practice of Sampling Processed Peat Materials

        See also WK66980 proposed revision

    D2973-16 Standard Test Method for Total Nitrogen in Peat Materials

        See also WK66818 proposed revision

    D2974-14 Standard Test Methods for Moisture, Ash, and Organic Matter of Peat and Other Organic Soils

        See also WK66700 proposed revision

    D2976-15 Standard Test Method for pH of Peat Materials

        See also WK38449 proposed withdrawal

    D2977-14 Standard Practice for Particle Size Range of Peat Materials for Horticultural Purposes

        See also WK66982 proposed revision

    D2978-15e1 Standard Test Methods for Volume of Processed Peat Materials

        See also WK50169 proposed revision

    D2980-17e1 Standard Test Method for Saturated Density, Moisture-Holding Capacity, and Porosity of Saturated Peat Materials

        See also WK66819 proposed revision

    D4531-15 Standard Test Methods for Bulk and Dry Density of Peat and Peat Products

        See also WK66817 proposed revision

    D4544-19 Standard Practice for Estimating Peat Deposit Thickness

    D4972-19 Standard Test Methods for pH of Soils

        See also WK65716 proposed revision

    D5268-13 Standard Specification for Topsoil Used for Landscaping Purposes

        See also WK63085 proposed revision

    D5715-14 Standard Practice for Estimating the Degree of Humification of Peat and Other Organic Soils (Visual/Manual Method)

        See also WK66816 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 WK66820 proposed revision

    D8249-19 Standard Practice for Use of Rotary Kiln Produced Porous Ceramic as a Mineral Amendment in Topsoil Used for Landscaping and Related Purposes

    Showing results 1-2 of 2 matching Proposed New Standards under the jurisdiction of D18.22     D18 Home

    WK49346 New Specification for Turf Grass Seed

    WK61127 Determining the Total Porosity, Container Capacity and Air Space of a Growing Media utilizing a Porometer

    Showing Results 1-2 of 2 matching WITHDRAWN standards under the jurisdiction of D18.22     D18 Home

    D5435-13 Standard Test Method for Diagnostic Soil Test for Plant Growth and Food Chain Protection (Withdrawn 2019)

    D5539-14 Standard Specification for Seed Starter Mix (Withdrawn 2019)