Introduction to the Study of the Scientific Principles of Agriculture Being the
The book Introduction to the Study of the Scientific Principles of Agriculture Being the was written by author Joseph Henry Gilbert Here you can read free online of Introduction to the Study of the Scientific Principles of Agriculture Being the book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Introduction to the Study of the Scientific Principles of Agriculture Being the a good or bad book?
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Thus, in the same year (1838), he published the results of an investigation on the question whether plants assimilate the free or uncombined nitrogen of the atmosphere ; and although the analytical methods of the day were inadequate to the decisive settlement of the point, his conclusions were in the main those which much subsequent work of his own, and much of others also, have served to confirm. In subsequent lectures I shall have to refer in some detail to the various investigations here all...uded to. As a further element of the question of the chemical statistics of rotation, Boussingault determined the amount and composition of the residues of various crops ; also the amount of constituents consumed in the food of a cow, and of a horse, respectively, and 14 THE SCIENTIFIC PRINCIPLES yielded in the milk and excretions of the cow, and in the excretions of the horse. Here, again, tha exigencies of the investigation he undertook were beyond the reach of the known chemical methods of the time.
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