The Influence of the Regime of Irrigation of Fodder Crops and Mineral Fertilization on Crop Yields in Karakalpakstan

During the research, optimal feeding and irrigation regimes for the forage crops "Nayman" and "Shaftoli" varieties of millet were determined, for example, when the soil moisture before irrigation is 65-70-60% compared to the CHDNS; 70-75-65% and the calculated soil layer during irrigation is 30-50-50 cm, high-quality grain yields of white rye and millet are achieved.The results are developed and recommended as a specific guide for farms.The total area of irrigated land in the Chimboy district of the Republic of Karakalpakstan by salinity level is 46910.0hectares, of which 41576.8 hectares (88.6%) are saline to varying degrees.Non-saline soils account for 5333.2hectares of irrigated land in Chimboy district, or 11.4%.Slightly saline soils account for 15365.3hectares of irrigated land in Chimboy district, or 32.8%.The salinity type is chloridesulfate and sulfate.Moderately saline soils account for 13390.4hectares of irrigated land in Chimboy district, or 28.5%.The salinity type is chloride-sulfate and sulfate.Strongly saline soils account for 3871.5 hectares of irrigated land, or 8.4%.The salinity type is chloride-sulfate and sulfate.The area of highly saline soils is 8,949.6ha, or 19.1%.

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