The Industrial Resources, Statistics of the United Sates, and More Particularly of the Southern and Western States

The Industrial Resources, Statistics of the United Sates, and More Particularly of the Southern and Western States

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1853 edition. Excerpt: ...swamp having existed for a century. even until successive contributions of its leaves, falling upon the water and there detained to decay by the floating roots of the same plants, at last accumulate material end elevate the soil above the level ofthe water, when the mangroves die, and are sue ceeded by the cane-brakes. With them come the numerous grasses, the seeds of which, planted by the wind. soon take root and thrive, until their production, together with that of the cane, again raises the soil to another level, whereon the stronger trees of the forest succeed. Plunts require difi'erent organic matter at different times, and are not always prepared for the natural vicissitudes of their existence; wherefore, we observe that protracted rains, drought, temperature, all sources of nutriment as agents of nature to the plant, produce definite results upon its growth, but dii'ferent one time with another, audit becomes desirable to know how to make best use of such incidents. For this purpose, the knowledge of vegetable anatomy and physiology, by which we may in a measure comprehend the structure and causes of increase, will lead to u better understanding of the wants and material necessary to eflll plant, and how these supplies may be best obtained and administered, to the attainment of more profitable results. Since the discovery of the microscope, the world has learned not only that plants breathe, feed and digest, but how the functions of breathing, feeding and digesting are carried on. It has been ascertained by What means an increase of dimension is brought about; how their want of locomotive power has been compensated for, and by what precise means their reproduction and mtlltlpll' cation are placed beyond obstruction by...
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Product details

  • Paperback | 470 pages
  • 189 x 246 x 24mm | 830g
  • United States
  • English
  • black & white illustrations
  • 1236801040
  • 9781236801043