A primer of forestry / by Gifford Pinchot.
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| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
Department of Agriculture, Government Printing Office,
1903.
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| Edition: | [Slightly revised] |
| Series: | Farmers' bulletin (United States. Department of Agriculture) ;
no. 173. |
| Subjects: |
Table of Contents:
- The life of a tree : The parts of a tree ; The food of a tree ; The composition of wood ; How the tree breathes ; Transportation ; The growth of a tree ; The structure of wood ; Annual rings ; Heartwood and sapwood
- Trees in the forest : The various requirements of trees ; Requirements of trees for heat and moisture ; Requirements of trees for light ; Tolerance and intolerance ; The rate of growth ; The reproductive power of trees ; Pure and mixed forest ; Reproduction by sprouts
- The life of a forest : A community of trees ; The life of a forest crop ; The seven ages of a tree ; How the crop begins ;The forest cover established ; The beginning of the struggle ; Growth in height ; The struggle continued ; Natural pruning ; The culmination of growth ; The end of the struggle ; Death from weakness and decay ; Destructive lumbering ; Conservative lumbering
- Enemies of the forest : Man and nature of the forest ; Grazing in the forest ; Grazing and fire ; Trampling ; Browsing ; Forest insects ; Forest fungi ; Wind in the forest ; Snow in the forest ; Forest fires ; Historic forest fires ; Means of defense ; Surface fires ; Back firing ; Fire lines.