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Natural seed fall in white pine (Pinus strobes L.) stands of varying densityAuthor(s): Raymond E. Graber
Source: Research Note NE-119. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 6p.
Publication Series: Research Note (RN)
Station: Northeastern Research Station
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DescriptionSeed fall was observed in three stands of mature white pines at stand basal-area densities of 80, 120, and 187 square feet per acre. It was found that the intermediate-density stand produced nearly 50 percent more seed than the stands of other densities. During a good seed year this stand produced 59 pounds of dry sound seed per acre. Most of the seeds were dispersed during a 7-week period beginning about the middle of September. The seed crop was reduced by action of birds, animals, and insects.
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CitationGraber, Raymond E. 1970. Natural seed fall in white pine (Pinus strobes L.) stands of varying density. Research Note NE-119. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 6p.
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