The Effect of Manganese Compounds On Soils And Plants ..
The book The Effect of Manganese Compounds On Soils And Plants .. was written by author Deatrick, Eugene Peyton, 1889- [from Old Catalog] Here you can read free online of The Effect of Manganese Compounds On Soils And Plants .. book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Effect of Manganese Compounds On Soils And Plants .. a good or bad book?
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These soils were prob- ably deficient in lime, and therefore the addition of manganese did not increase oxidation. The increase noted when hydroxy acids were added to these soils may have been due to the formation of the organic salt of manganese and the subsequent precipitation of the oxide from the less stable salt. The formation of the dioxide, and the oxidation phenomena in soils as described, are analogous to the formation of calcium manganite (CaO. The Effect of Manganese Compounds on Soi...ls and Plants 393 Mn02) and its use in the Weldon recovery process for the preparation of chlorine. The mixture of milk of lime and manganese chloride is termed Weldon, or manganese, mud. Oxidation by plant roots That roots of plants have an extracellular oxidizing power " may be demonstrated by the use of suitable chromogens," according to Schreiner and Reed (1909). In regard to their work on root oxidation in culture solutions containing alpha-naphthylamine, these investigators state (page 17 of reference cited) that " when the oxidation is performed by the grow- ing roots of a plant, the oxynaphthylamine is deposited uf)on the sin-face of the roots in characteristic zones The zone of primary meris- tematic cells immediately back of the root cap is marked by a distinct narrow band of color." The browning of the roots of wheat in solutions of manganese salts resembles the staining caused by the oxidation of alpha- naphthylamine.
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