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Increasing Planting Stock Size by Family Selection in California Ponderosa Pine

Increasing Planting Stock Size by Family Selection in California Ponderosa Pine PDF Author: James L. Jenkinson
Publisher:
ISBN:
Category : Ponderosa pine
Languages : en
Pages : 16

Book Description
Wind-pollinated families from four geographic areas in the northern Sierra Nevada were tested in the nursery. For every area, the native families differed significantly from each other in 1-year seedling height, and in 2-year height, diameter, and stem volume. Family growth was poorly correlated with family seed weight; it was independent of germination speed and seed parent stem volume. The size of planting stock can be improved and small-grade seedling production decreased by eliminating from future collections seed trees whose families show poor growth in the nursery.

Increasing Planting Stock Size by Family Selection in California Ponderosa Pine

Increasing Planting Stock Size by Family Selection in California Ponderosa Pine PDF Author: James L. Jenkinson
Publisher:
ISBN:
Category : Ponderosa pine
Languages : en
Pages : 16

Book Description
Wind-pollinated families from four geographic areas in the northern Sierra Nevada were tested in the nursery. For every area, the native families differed significantly from each other in 1-year seedling height, and in 2-year height, diameter, and stem volume. Family growth was poorly correlated with family seed weight; it was independent of germination speed and seed parent stem volume. The size of planting stock can be improved and small-grade seedling production decreased by eliminating from future collections seed trees whose families show poor growth in the nursery.

USDA Forest Service Research Paper PSW.

USDA Forest Service Research Paper PSW. PDF Author: Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 596

Book Description


USDA Forest Service Research Paper PSW.

USDA Forest Service Research Paper PSW. PDF Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 584

Book Description


USDA Forest Service General Technical Report PSW.

USDA Forest Service General Technical Report PSW. PDF Author: Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 596

Book Description


USDA Forest Service General Technical Report INT.

USDA Forest Service General Technical Report INT. PDF Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 688

Book Description


Tables of Geometry for Low-standard Roads for Watershed Management Considerations, Slope Staking, and End Areas

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Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 792

Book Description


Edaphic Interactions in First-year Growth of California Ponderosa Pine

Edaphic Interactions in First-year Growth of California Ponderosa Pine PDF Author: James L. Jenkinson
Publisher:
ISBN:
Category : Plant-soil relationships
Languages : en
Pages : 24

Book Description


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ISBN:
Category : Agriculture
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ISBN:
Category : Government publications
Languages : en
Pages : 944

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ISBN:
Category : Government publications
Languages : en
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