Elementary Agricultural Chemistry a Handbook for Junior Agricultural Students a
Elementary Agricultural Chemistry a Handbook for Junior Agricultural Students a
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In our eReader you can find the full English version of the book. Read Elementary Agricultural Chemistry a Handbook for Junior Agricultural Students a 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 Elementary Agricultural Chemistry a Handbook for Junior Agricultural Students a
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Without the crop these nitrates would have been to a large extent lost by drainage. The planting of MANURES 105 " catch crops " for this purpose is best done in the autumn, since nitrification is then very rapid, and loss by the washing out of the nitrates by the winter rains is to a great extent prevented. Rye and mustard are favourite crops for the pur- pose ; and obviously the ploughing in of the crop must take place before the seed is formed, or otherwise the land would be fouled for the ne...xt year. If leguminous crops are grown and the crop be ploughed in, a still greater accession to the nitrogenous store of the soil may be secured, for in the pre- sence of the appropriate nodule-forming bacteria such crops draw supplies of nitrogen from the air.
In the case of most plants, the roots absorb from the soil water, the phosphates, potash, nitrates, &c. , present and the plant is quite unable to obtain any sustenance from the free nitrogen of the air. In the case of peas, beans, clover, lupines and other leguminosae the roots often possess small nodular swellings or tubercles, inhabited by micro-organisms (Bacillus radicicola) which have the power of taking free nitrogen from the air within the soil, building it up into complex organic compounds, probably of an albuminoid nature, and handing it on to the host plant.
What to read after Elementary Agricultural Chemistry a Handbook for Junior Agricultural Students a?
You can find similar books in the "Read Also" column, or choose other free books by Herbert Ingle to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Without the crop these nitrates would have been to a large extent lost by drainage. The planting of MANURES 105 " catch crops " for this purpose is best done in the autumn, since nitrification is then very rapid, and loss by the washing out of the nitrates by the winter rains is to a great extent prevented. Rye and mustard are favourite crops for the pur- pose ; and obviously the ploughing in of the crop must take place before the seed is formed, or otherwise the land would be fouled for the ne...xt year. If leguminous crops are grown and the crop be ploughed in, a still greater accession to the nitrogenous store of the soil may be secured, for in the pre- sence of the appropriate nodule-forming bacteria such crops draw supplies of nitrogen from the air.
In the case of most plants, the roots absorb from the soil water, the phosphates, potash, nitrates, &c. , present and the plant is quite unable to obtain any sustenance from the free nitrogen of the air. In the case of peas, beans, clover, lupines and other leguminosae the roots often possess small nodular swellings or tubercles, inhabited by micro-organisms (Bacillus radicicola) which have the power of taking free nitrogen from the air within the soil, building it up into complex organic compounds, probably of an albuminoid nature, and handing it on to the host plant.
What to read after Elementary Agricultural Chemistry a Handbook for Junior Agricultural Students a?
You can find similar books in the "Read Also" column, or choose other free books by Herbert Ingle to read onlineMoreLess
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