Bacteria in Relation to Country Life
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In our eReader you can find the full English version of the book. Read Bacteria in Relation to Country Life Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Bacteria in Relation to Country Life
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) vanishes from the soil quite rapidly, notwithstanding the utmost efforts of the farmer to enrich his soil. Large applications of animal manures and the turning under of green crops seem to leave no lasting effect. The soil remains light in color, and capable only of retaining a small fraction of the rainfall. Under other conditions, the soil does not seem to digest its humus properly. It becomes sour to an increasing extent, and its crops languish. The same manures that rapidly disappear from... one soil accumulate in another. The different results thus noted should be attributed to the micro- organisms of the soil.
150 Bacteria in Relation to Country Life The soils that allow a rapid disappearance of their humus are usually sandy or sandy loams, warm and well drained. The air circulates freely in them down to a considerable depth; the soil bacteria, particularly the aerobic species, develop in great numbers, and the carbon of the humus is returned to the air as carbon dioxid. Decay, under such conditions, is really slow burning, and the organic matter is, in time, reduced to a little heap of ash, as if it had been destroyed by fire.
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You can find similar books in the "Read Also" column, or choose other free books by Jacob Goodale Lipman to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
) vanishes from the soil quite rapidly, notwithstanding the utmost efforts of the farmer to enrich his soil. Large applications of animal manures and the turning under of green crops seem to leave no lasting effect. The soil remains light in color, and capable only of retaining a small fraction of the rainfall. Under other conditions, the soil does not seem to digest its humus properly. It becomes sour to an increasing extent, and its crops languish. The same manures that rapidly disappear from... one soil accumulate in another. The different results thus noted should be attributed to the micro- organisms of the soil.
150 Bacteria in Relation to Country Life The soils that allow a rapid disappearance of their humus are usually sandy or sandy loams, warm and well drained. The air circulates freely in them down to a considerable depth; the soil bacteria, particularly the aerobic species, develop in great numbers, and the carbon of the humus is returned to the air as carbon dioxid. Decay, under such conditions, is really slow burning, and the organic matter is, in time, reduced to a little heap of ash, as if it had been destroyed by fire.
What to read after Bacteria in Relation to Country Life?
You can find similar books in the "Read Also" column, or choose other free books by Jacob Goodale Lipman to read onlineMoreLess
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