EFFECT OF IRRIGATION REGIMES ON GREEN MASS PRODUCTIVITY OF CORN VARIETIES
Keywords:
meadow-alluvial soils, irrigation methods, corn varieties, main crop, repeated crop, green mass, productivityAbstract
This article presents the results of research on the effect of irrigation methods on the yield of green mass of corn varieties "Uzbekistan-601 ESV", "Karasuv-350 AMV" and "Uzbekistan-300 MV" grown as main and repeated crops in the conditions of moderately saline, meadow-alluvial soils of the Republic of Karakalpakstan. According to the results of the research, in the conditions of moderately saline, meadow-alluvial soils of the southern Aral Sea region of the Republic of Karakalpakstan, the variety of corn "Uzbekistan-300 MV" was grown with a soil moisture of 70-70-60% before irrigation, in the main crop in the 1-2-0 irrigation system, repeated crop as 0-1-0 system irrigation was found to be acceptable. Then, the highest green mass was 93.9 c/ha in the average 3 years (after grain harvesting) when grown as a main crop, and 36.0 c/ha in repeated crop.
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