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    Author(s): Edward S. Corbett
    Date: 1962
    Source: Research Note PSW-RN-195. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 3 p.
    Publication Series: Research Note (RN)
    PDF: Download Publication  (2.23 MB)

    Description

    Seed trees were selected in young-growth ponderosa pine to produce an estimated 25,000, 50,000, and 100,000 seeds per acre. A year after a good seed crop, ponderosa pine stocking in cutover plots was: 1,910, 4,020, and 4,820 seedlings per acre. Some additional regeneration of other species also occurred.

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    Citation

    Corbett, Edward S. 1962. Ponderosa pine reproduction in relation to seed supply at Challenge Experimental Forest. Research Note PSW-RN-195. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 3 p.

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https://www.fs.usda.gov/treesearch/pubs/48466