The Organic Constituents of Soils
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In our eReader you can find the full English version of the book. Read The Organic Constituents of Soils 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 The Organic Constituents of Soils
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The acid prepared in the laboratory behaved in the same manner.
Its effect in the presence of nutrient salts was also extensively studied in solutions containing calcium acid phosphate, sodium nitrate, and potassium sulphate, alone and in combinations of two and three of these salts, a total of 66 cultures being used in a single test. The injurious effect of the dihydroxystearic acid was less where all three of the nutrient elements were present than where only one or two were present. The inju...rious effect was least in those cultures of three nutrients where the nitrate was high. This indicates that the action of the nitrate tends especially to overcome the harmful effect of the compound, or else it enables the plant to resist or over- come its effect.
Dihydroxystearic acid has another quality which should be men- tioned here as having a considerable bearing on its effect on crops, even in such soils as contain much plant nutrient material in the most readily available form. This is its influence on the absorptive power of the roots of the plants growing in the soil, the soil solution, or solutions of nutrient salts when dihydroxystearic acid is present in them.
What to read after The Organic Constituents of Soils?
You can find similar books in the "Read Also" column, or choose other free books by Oswald Schreiner to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The acid prepared in the laboratory behaved in the same manner.
Its effect in the presence of nutrient salts was also extensively studied in solutions containing calcium acid phosphate, sodium nitrate, and potassium sulphate, alone and in combinations of two and three of these salts, a total of 66 cultures being used in a single test. The injurious effect of the dihydroxystearic acid was less where all three of the nutrient elements were present than where only one or two were present. The inju...rious effect was least in those cultures of three nutrients where the nitrate was high. This indicates that the action of the nitrate tends especially to overcome the harmful effect of the compound, or else it enables the plant to resist or over- come its effect.
Dihydroxystearic acid has another quality which should be men- tioned here as having a considerable bearing on its effect on crops, even in such soils as contain much plant nutrient material in the most readily available form. This is its influence on the absorptive power of the roots of the plants growing in the soil, the soil solution, or solutions of nutrient salts when dihydroxystearic acid is present in them.
What to read after The Organic Constituents of Soils?
You can find similar books in the "Read Also" column, or choose other free books by Oswald Schreiner to read onlineMoreLess
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