Pamphlets on Forestry, Volume 61991 |
From inside the book
Results 1-3 of 49
Page 197
... increases the humidity of air currents which pass over them . Forests thus cause greater precipita- tion in the path of prevailing winds and in so far increase the total dis- charge of rivers . Thus while fluctuations in the total ...
... increases the humidity of air currents which pass over them . Forests thus cause greater precipita- tion in the path of prevailing winds and in so far increase the total dis- charge of rivers . Thus while fluctuations in the total ...
Page 198
... increases the humid- ity of air currents which pass over them . Forests thus cause greater precipitation in the path of prevailing winds and in so far increase the total discharge of rivers . " Thus while fluctuations in the total ...
... increases the humid- ity of air currents which pass over them . Forests thus cause greater precipitation in the path of prevailing winds and in so far increase the total discharge of rivers . " Thus while fluctuations in the total ...
Page
... increased her imports by 10 per cent annually , while the population during 70 years did not increase more than 20 per cent . Here , extensive deforestation at home and change from timber forest to coppice may explain part of the increase ...
... increased her imports by 10 per cent annually , while the population during 70 years did not increase more than 20 per cent . Here , extensive deforestation at home and change from timber forest to coppice may explain part of the increase ...
Common terms and phrases
acres agri agricultural annual bark beetles borer branches Castanea cedar swamp cent city boys climate Committee Connecticut course covered crop cultivated deciduous destruction eggs estry European farm experience farm practice farmer boys feet high foliage forest reserves forestry grafted growing growth important inches in diameter industries insects interest Japanese Japanese chestnut lake large number larva larvæ leaves Luther Burbank maple mountain National Business League nature NORWAY SPRUCE nursery organization owners Parry Bros Pinus pitch pine Planters of America planting portion present President profitable protection pupa purpose Quercus red cedar reforest the country reforestation region Ridgely sand seed seedlings soil South Jersey Southern Interior sowing species sprouts spruce streams stump supply surveys tax land thin timber tion tract Tree Planters United valuable varieties waste white cedar white pine wind wood lot woodland Zon's