Symposium on Forestry and the Public Welfare: Papers Read Before the American Philosophical Society, Autumn General Meeting November 17, 1944American philosophical society, 1945 - 90 pages |
From inside the book
Results 1-3 of 28
Page 413
... crops . Lack of wood with these resultant conditions generally lowers well - being of the people . The imperious need for the wood crop and for conditions that favor full production of forests and farm woodlots stands out in these ...
... crops . Lack of wood with these resultant conditions generally lowers well - being of the people . The imperious need for the wood crop and for conditions that favor full production of forests and farm woodlots stands out in these ...
Page 415
... crop of 120 billion cubic feet . Such an enormous figure gives us some idea of the needs of mankind in a new world of reasonable well- being . The present consumption of about 52.5 billion cubic feet is less than half this computed ...
... crop of 120 billion cubic feet . Such an enormous figure gives us some idea of the needs of mankind in a new world of reasonable well- being . The present consumption of about 52.5 billion cubic feet is less than half this computed ...
Page 416
... crop is used locally as fuel and otherwise , or left as waste in the woods . The area required to grow the vast annual crop of wood will be about 4.8 billion acres , or 2.4 acres per capita on the average for the world population of 2 ...
... crop is used locally as fuel and otherwise , or left as waste in the woods . The area required to grow the vast annual crop of wood will be about 4.8 billion acres , or 2.4 acres per capita on the average for the world population of 2 ...
Contents
Forests in Relation to Soil and Water | 399 |
Worldwide Needs of Woods as a Land Conservation Crop | 408 |
Americas Role in Meeting World Timber Needs | 418 |
3 other sections not shown
Common terms and phrases
agricultural American forest American Philosophical Society André François André Michaux ashes billion burning cedar cent century clearing climate cooperation corn crop cubic feet cultivation deforestation destruction developed district economic especially Europe European farm felled fence fire forest conservation forest industries forest land forest owners forest products Forest Service Forests and Parks fuel Government ground growing growth Humphrey Marshall hundred important improvement cutting increase JEREMY BELKNAP John Bartram John Evelyn labor Lebanon less logs lumber lumber industry manufacture mast measures ment Michaux mountains nature needs November 17 operation ownership paper pasture Pennsylvania Philadelphia pine plants pot ashes present problem protection public ownership pulp pulpwood raw materials region Regulation settlements settlers ship slopes soil stands stumps supply surface runoff timber timber products timberland tion tracts Travels trees United Virginia wind wood products wood pulp woodland woodlot