Ten Years of Forest Seed Crops in California
Midsummer cone crop predictions made annually in forest stands throughout California generally agreed in magnitude with reports of actual amounts of seed collected. Statewide, "seed years" alternated with "off years" among the major conifer species.
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Document Type: Journal Article
Affiliations: Professor at Duquesne Univ., Pittsburgh, Pa.
Publication date: 01 July 1969