Subcommittee D18.22 on Media for Plant Growth


    Showing results 1-16 of 16 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

    D2944-14 Standard Practice of Sampling Processed Peat Materials

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

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

    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

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

        See also WK50169 proposed revision

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

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

    D4544-12 Standard Practice for Estimating Peat Deposit Thickness

        See also WK59130 proposed revision

    D4972-13 Standard Test Method for pH of Soils

        See also WK57089 proposed revision

    D5268-13 Standard Specification for Topsoil Used for Landscaping Purposes

    D5435-13 Standard Test Method for Diagnostic Soil Test for Plant Growth and Food Chain Protection

    D5539-14 Standard Specification for Seed Starter Mix

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

    D5883-12 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 WK55355 proposed revision

    Showing results 1-4 of 4 matching Proposed New Standards under the jurisdiction of D18.22     D18 Home

    WK49346 New Specification for Turf Grass Seed

    WK58950 Definitions

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

    WK62051 Use of Rotary Kiln Produced Porous Ceramic as a Mineral Amendment in Topsoil Used for Landscaping and Related Purposes

    0 matching WITHDRAWN standards under the jurisdiction of D18.22     D18 Home