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    Author(s): Joseph F. Pechanec
    Date: 1950
    Source: PNW Old Series Research Notes No. 67, p. 1-4
    Publication Series: Scientific Journal (JRNL)
    Station: Pacific Northwest Research Station
    PDF: Download Publication  (190 KB)


    Standard rates specifying the amount of grass seed to sow per acre are stated in most of the more recent publications as pounds of live pure seed (lps) to be used. For a seeding project these rates must be converted to the actual amount of seed to sow because seed as purchased from the dealer or grower is never all live pure seed. Even the best lots of seed contain some dirt, chaff, broken seeds, straw, and weed seeds. Also, part of the pure seed always fails to germinate. Consequently, the standard seeding rates for live pure seed are too low for projects using seed as it is purchased.

    Publication Notes

    • Visit PNW's Publication Request Page to request a hard copy of this publication.
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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.


    Pechanec, Joseph F. 1950. Converting standard seeding rates for grasses to actual seeding rates per acre. PNW Old Series Research Notes No. 67, p. 1-4

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