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Filtering by: Subject Douglas fir -- Fertilizers Remove constraint Subject: Douglas fir -- Fertilizers Decade 1950-1959 Remove constraint Decade: 1950-1959 Subject Douglas fir Remove constraint Subject: Douglas fir

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Direct seeding of Douglas fir with special reference to survival
Relationship Between Specific Gravity and Percentage of Summerwood in Wide-Ringed, Sec...
The chemical nature of Douglas fir cork
Hydrogenation of Douglas Fir Pseudotsuga taxifolia, Britt., Wax
Certain factors affecting establishment of the Douglas fir (Pseudotsuga taxifolia (Lam...
Structure and development of the bark of Douglas-fir, Pseudotsuga menziesii (Mirb.) Fr...
Racial variation in seedling development of Douglas fir, Pseudotsuga menziesii (Mirb.)...
Genetic variations in length of active growth period among races of Douglas fir, Pseud...
Use of alternative costs in determining the economic rotation age of Douglas-fir
The effects of pruning on the growth and development of a Douglas-fir plantation
Vegetative factors influencing the germination and survival of Douglas-fir seeds and s...
Specific gravity and per cent summerwood variation in a young Douglas-fir clone and us...
The utilization of no.3 Douglas-fir lumber for prefabricated panels
The effects of some soaking treatments on the germination of Douglas-fir seed
Natural regeneration on staggered settings
The chemical nature of the "lignin" of the bark of Douglas fir, Pseudotsuga ...
The strength of second-growth Douglas fir in tension parallel to grain
Heating Douglas fir veneer blocks : does it pay?
Comparative efficiency of the wedge prism method and the circular plot method in estim...
Cutting priority in old growth stands of the Douglas-fir region
Possibilities of afforesting grassland slopes of the McDonald Forest
Factors related to variation of specific gravity in young-growth Douglas fir
The relationship of the survival of Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco,...
The relationship between log characteristics and lumber grade recovery in second-growt...
Performance of bonded wire strain gages on wood
The efficiency of plots of various sizes and shapes in cruising second-growth Douglas-fir