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    Tobacco seedling substrate

    Product Series > Specialized substrate series > Tobacco seedling substrate

    Tobacco seedling substrate

    Item

    Unit

    YC/T310-2009 Indicator requirements

    Jiang Ping Tobacco Seedling Matrix

    Particle size (1-5mm)

    v-%

    ≥40

    77.5

    Unit weight

    g/cm3

    0.1-0.35

    0.1

    Total porosity

    v-%

    80-95

    89

    Organic matter content

    w-%

    ≥15

    85.2

    Humic acid

    w-%

    10-40

    19.65

    pH

    /

    5.0-7.0

    5.39

    Electrical conductivity

    us/cm

    ≤1000

    0.43

    Water content

    w-%

    20-45

    39.1

    Effective iron ion content

    mg/ kg

    ≤1000

    45.9


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