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1

Aspen successfully regenerated after killing residual vegetation with herbicides /

by Perala, Donald A.
St. Paul, Minn. : North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971

Government Document Book

2

Repeated prescribed burning in aspen /

by Perala, Donald A.
St. Paul, Minn. : North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1974

Government Document Book

3

Growth and survival of northern hardwood sprouts after burning.

by Perala, Donald A.
St. Paul, North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1974

Government Document Book

4

Growth and yield of black spruce on organic soils in Minnesota /

by Perala, Donald A.
[Saint Paul, Minn.] : North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971

Government Document Book

5

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

by Perala, Donald A.
[Saint Paul, Minn.] : U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1989

Government Document Book

6

Aspen in the north central States /

by Perala, Donald A.
[St. Paul] : Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1977

Government Document Book

7

Thinning strategies for aspen : a prediction model /

by Perala, Donald A.
[Saint Paul, Minn.] : North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1978

Government Document Book

8

Regeneration and productivity of aspen grown on repeated short rotations /

by Perala, Donald A.
[Saint Paul, Minn.] : North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1979

Government Document Book

9

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

by Perala, Donald A.
[Saint Paul, Minn.] : North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1980

Government Document Book

10

Soil invertebrate and microbial populations under three tree species on the same soil type /

by Kienzler, Mariann
St. Paul, MN : North Central Forest Experiment Station, Forest Service, U.S.D.A., 1987

Government Document Book

11

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

by Perala, Donald A.
St. Paul, Minn. (1992 Folwell Ave., St. Paul 55108) : U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1994

Government Document Book

12

Quaking aspen productivity recovers after repeated prescribed fire /

by Perala, Donald A.
St. Paul, Minn. (1992 Folwell Ave., St. Paul 55108) : U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1995

Government Document Book

13

Modeling aspen and red pine shoot growth to daily weather variations /

by Perala, Donald A.
[Saint Paul, Minn.] : U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1936

Government Document Book

14

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

by Perala, Donald A.
[Saint Paul, Minn.] : North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1981

Government Document Book

15

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

by Perala, Donald A.
[Saint Paul, Minn.] : U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1982

Government Document Book

16

Using glyphosate herbicide in converting aspen to conifers /

by Perala, Donald A.
[Saint Paul, Minn.] : U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1985

Government Document Book

17

Site preparation treatments and browse protection affect establishment and growth of northern white-cedar /

by Davis, Alaina
St. Paul, Minn. (1992 Folwell Ave., St. Paul 55108) : U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1998

Government Document Book

18

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

by Perala, Donald A.
St. Paul, Minn. (1992 Folwell Ave., St. Paul 55108) : U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1995

Government Document Book

19

Site preparation treatments and their effects on establishment and growth of tamarack /

by Davis, Alaina
St. Paul, Minn. (1992 Folwell Ave., St. Paul 55108) : U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1996

Government Document Book

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