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  1. Fertilizers Regulations - C.R.C., c. 666 (SCHEDULE II)

    [...]

    Names and Standards of Fertilizers and Supplements

    Column 1 Column 2
    Item Composition Designated Names
    1.27 A product manufactured from feathers by treatment with steam under pressure. The addition of 0.5% sulphuric acid facilitates the hydrolysis at lower temperatures. The nitrogen content ranges from 11 to 14% Hydrolysed feather meal (Specify grade.)

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