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MINERAL FERTILIZERS EFFICIENCY AT OLD-IRRIGATED SALT SOILS IN SOUTH KAZAKHSTAN REGION
Journal: Science and world (Vol.2, No. 30)Publication Date: 2016-02-19
Authors : Umbetaev I.; Kostakov A.;
Page : 111-113
Keywords : cotton; soil; mineral fertilizers; salinization; washing watering; harvest;
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Abstract
The root zone contains a large amount of water-soluble salts, toxic for agricultural plants, efficiency of fertilizers decreases in comparison with the desalted cultivated massifs. In the first case the high osmotic pressure of soil solution weakens intensity of mineral substances flow in plant body and a part from them is in physiologically inaccessible state.
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Last modified: 2016-08-03 19:50:13