Forest Leaves, Volume 16Pennsylvania Forestry Association., 1917 |
From inside the book
Results 1-5 of 42
Page 15
... species of elm cut in Canada . Its wood is almost as valuable as hickory for some purposes on account of these qualities . " The United Sportsmen and What They are Doing for Forests and Wild Life . ( Presented at the Reading Meeting of ...
... species of elm cut in Canada . Its wood is almost as valuable as hickory for some purposes on account of these qualities . " The United Sportsmen and What They are Doing for Forests and Wild Life . ( Presented at the Reading Meeting of ...
Page 16
... species of it , became extinct , and there was a great scarcity of all kinds of animals , birds , fish and forests . What happened next ? The Pennsylvania For- estry Association began its work of restoring the forests ; reforestation ...
... species of it , became extinct , and there was a great scarcity of all kinds of animals , birds , fish and forests . What happened next ? The Pennsylvania For- estry Association began its work of restoring the forests ; reforestation ...
Page 19
... species a sensitive one , the tree is practically girdled and dies . Where leaves and brush are piled around trees , the fire may be sufficient to burn through or to make such a scar that the first strong wind will blow the tree down ...
... species a sensitive one , the tree is practically girdled and dies . Where leaves and brush are piled around trees , the fire may be sufficient to burn through or to make such a scar that the first strong wind will blow the tree down ...
Page 26
... species to be planted should be such as are adaptable to the site , that is , to the soil , topography , etc. Adverse conditions of the planting site require more careful selection of the planting stock , both in regard to species and ...
... species to be planted should be such as are adaptable to the site , that is , to the soil , topography , etc. Adverse conditions of the planting site require more careful selection of the planting stock , both in regard to species and ...
Page 27
... species on different soils and on the different classes of land . Slow growth may However , soils con- 4. Have the stem of the plant as nearly erect as possible . 5. See that soil and not vegetable matter ( grass , dead leaves , etc ...
... species on different soils and on the different classes of land . Slow growth may However , soils con- 4. Have the stem of the plant as nearly erect as possible . 5. See that soil and not vegetable matter ( grass , dead leaves , etc ...
Other editions - View all
Common terms and phrases
acres Albert Lewis American amount annual Arbor Day Bedford County birds Brinton Coxe Bruce Ricketts Buck Hill Falls Bucks County burned camp cent Chairman chestnut coal Commission Commonwealth Conklin conservation cord cost damage Department of Forestry dollars Drinker estry F. L. Bitler farm feet Forest Academy forest areas Forest Fire Warden forest fires forest land FOREST LEAVES forest protection Forest Reserves Forest Service France French forests growing growth Henry important industry insects interest J. T. Rothrock labor Lake Legislature locust loss maple meeting membership ment methods miles million Monroe County mountain National Forests Norway spruce nurseries Ohio organization owner Pancoast Pennsylvania Forestry Association Philadelphia Pittsburgh present President production purchase railroad reforestation region River Samuel L Samuel Marshall Scotch pine Secretary seedlings soil species spruce stands stumpage supply timber tion towers United white pine wood