Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 396

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Author: Kentucky Geological Survey
Publisher:
ISBN:
Category :
Languages : en
Pages : 391

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Author: David Dale Owen
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 391

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Author: Kentucky Geological Survey
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 18

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Author: Kentucky Geological Survey
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 602

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Author: David Dale Owen
Publisher:
ISBN: 9781332791583
Category : Science
Languages : en
Pages : 392

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Excerpt from Second Report of the Geological Survey in Kentucky, Made During the Years 1856 and 1857 On stock-farms, where young animals are reared and sold, when they come to maturity; also on dairy-farms, where milk, butter, and cheese are prepared for market, there is necessarily a great drain upon the soil, principally in phosphate of lime or bone-earth. It has been estimated that there is removed one thousand pounds of this bone. Earth in the shape of veal, butter, and cheese derived from twenty cows, pastured during one summer on a farm. Chiefly by this means, and by the successive crops of wheat exported from the Genesee and Mo hawk vallies, the average crop of wheat has been reduced from thirty five to forty bushels to twelve and a half bushels per acre, and this reduction has been proved to be, in most cases, due to the removal of phosphoric acid from the soil. Sandy soils are greatly improved by the application of absorbents, such as muck, humus, vegetable mould, charcoal, coal-dust, and clay, because pure sand has comparatively a small absorbent power, and allows what ammonia and nitrates may have been brought down by rains to evaporate again into the atmosphere, or filter through it. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Author: David Dale Owen
Publisher: BoD – Books on Demand
ISBN: 3375165056
Category : Fiction
Languages : en
Pages : 390

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Reprint of the original, first published in 1857.

Author: David Dale Owen
Publisher:
ISBN:
Category : Geology
Languages : en
Pages :

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Author: Kentucky State Geologist
Publisher: Scholarly Pub Office Univ of
ISBN: 9781425542351
Category : History
Languages : en
Pages : 388

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Author: Kentucky Geological Survey
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 406

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