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Irrigation and Melioration

Abstract

Results of analysis of many years of research in soil-protection and water-saving technologies the cultivation of crops on eroded soils are presented in the paper. For the conditions of irrigated and erosion impacted typical loamy soils of the Chirchik-Angren valley, the law of a pliability of the typical loamy soils to erosion is revealed depending on the form of a furrow and the size of a jet. The optimal forms of furrows, the sizes of jets are determined for condition of typical loamy soils at growing potatoes. The influence of the form of furrow on the contents of organic matter, total nitrogen, and total phosphorus in a liquid and firm drain is established; the losses of nutritious substances with a liquid and firm drain are revealed depending on elements of irrigation technology. The growth, development and yield of potato crop is studied. The economic efficiency is determined at cultivation of potatoes on typical erosion damaged loamy soils

References

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