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Donald A Perala

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Forests and forestrySelf-thinning and stockability of the Circumboreal aspens (Populus tremuloides Michx., and P. tremula L.)Donald A. Perala

Self-thinning and stockability of the Circumboreal aspens (Populus tremuloides Michx., and P. tremula L.)

Donald A. Perala · U.S. Dept. of Agriculture, Forest Service, North Central Research Station

16 sayfa · 1999

Populus tremuloides / Forest thinning / Growth / Forests and forestry

Nitrogen fertilizersGrowth of nitrogen-fertilized and thinned quaking aspen (Populus tremuloides Michx.)Donald A Perala

Growth of nitrogen-fertilized and thinned quaking aspen (Populus tremuloides Michx.)

Donald A Perala · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

Sayfa sayısı yok · 1989

Populus tremuloides / Nitrogen fertilizers

Effect of glyphosate onEffect of soil and vegetation on growth of planted white spruceDonald A Perala

Effect of soil and vegetation on growth of planted white spruce

Donald A Perala · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

Sayfa sayısı yok · 1987

Plants / White spruce / Forest biomass / Effect of glyphosate on

AspenAspen sucker production and growth from outplanted root cuttingsDonald A Perala

Aspen sucker production and growth from outplanted root cuttings

Donald A Perala · Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

Sayfa sayısı yok · 1978

Plant propagation / Aspen

Forests and forestryStockability, growth, and yield of the Circumboreal aspens (Populus tremuloides Michx., P. tremula L.)Donald A Perala

Stockability, growth, and yield of the Circumboreal aspens (Populus tremuloides Michx., P. tremula L.)

Donald A Perala · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

24 sayfa · 1995

Populus tremuloides / Forest thinning / Growth / Tables / Forests and forestry

AspenAspenDonald A. Perala

Aspen

Donald A. Perala · Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1985

Aspen

StatisticsAllometric biomass estimators for Aspen-dominated ecosystems in the upper Great LakesDonald A Perala

Allometric biomass estimators for Aspen-dominated ecosystems in the upper Great Lakes

Donald A Perala · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

38 sayfa · 1994

Forest biomass / Statistics

Fire ecologyQuaking aspen productivity recovers after repeated prescribed fireDonald A Perala

Quaking aspen productivity recovers after repeated prescribed fire

Donald A Perala · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

11 sayfa · 1995

Prescribed burning / Populus tremuloides / Fire ecology

CiltGrowth and survival of northern hardwood sprouts after burningDonald A. Perala

Growth and survival of northern hardwood sprouts after burning

Donald A. Perala · Yayınevi bilinmiyor

Sayfa sayısı yok · 1974

Kategori yok

AspenRepeated prescribed burning in aspenDonald A. Perala

Repeated prescribed burning in aspen

Donald A. Perala · North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1974

Prescribed burning / Aspen

TestingA provisional assessment of triclopyr herbicide for use in Lake States' forestryDonald A Perala

A provisional assessment of triclopyr herbicide for use in Lake States' forestry

Donald A Perala · for sale by the Supt. of Docs., U.S. Govt. Print. Off.

Sayfa sayısı yok · 1980

Herbicides / Hardwoods / White spruce / Testing

PineRates of forest floor decomposition and nutrient turnover in aspen, pine, and spruce stands on two different soilsDonald A Perala

Rates of forest floor decomposition and nutrient turnover in aspen, pine, and spruce stands on two different soils

Donald A Perala · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

Sayfa sayısı yok · 1982

Spruce / Biodegradation / Aspen / Forest litter / Pine

PruningShearing restores full productivity to sparse aspen standsDonald A Perala

Shearing restores full productivity to sparse aspen stands

Donald A Perala · North Central Forest Experiment Station, Forest Service-U.S.D.A.

Sayfa sayısı yok · 1983

Aspen / Pruning

AspenRegeneration and productivity of aspen grown on repeated short rotationsDonald A Perala

Regeneration and productivity of aspen grown on repeated short rotations

Donald A Perala · Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

Sayfa sayısı yok · 1979

Aspen

ClearcuttingClone expansion and competition between quaking and bigtooth aspen suckers after clearcuttingDonald A Perala

Clone expansion and competition between quaking and bigtooth aspen suckers after clearcutting

Donald A Perala · North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1981

Aspen / Clearcutting

Handbooks, manualsAspen in the north central StatesDonald A Perala

Aspen in the north central States

Donald A Perala · Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

30 sayfa · 1977

Aspen / Handbooks, manuals

Shoots (Botany)Modeling aspen and red pine shoot growth to daily weather variationsDonald A Perala

Modeling aspen and red pine shoot growth to daily weather variations

Donald A Perala · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

11 sayfa · 1983

Red pine / Aspen / Shoots (Botany)

Forest thinningThinning strategies for aspenDonald A Perala

Thinning strategies for aspen

Donald A Perala · Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

19 sayfa · 1978

Aspen / Forest thinning

AspenUsing glyphosate herbicide in converting aspen to conifersDonald A Perala

Using glyphosate herbicide in converting aspen to conifers

Donald A Perala · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

Sayfa sayısı yok · 1985

Herbicides / Aspen

HumusGrowth and yield of black spruce on organic soils in MinnesotaDonald A. Perala

Growth and yield of black spruce on organic soils in Minnesota

Donald A. Perala · North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture

16 sayfa · 1971

Black spruce / Tables / Soils / Forests and forestry / Humus