Technology cultivating of Amaranth at different rates of organic fertilizers in the conditions of the Southern Aral Sea region

Abstract

In conditions of low water, it is necessary to provide the population with food and livestock with valuable feed on a stable basis. It is reported about the results of growing two varieties of amaranth: green leaved and red-leaved, using different rates of mineral and organic fertilizers in the conditions of a sharply continental climate on degraded lands with low nutrient supply. During field experiments, the height of plants at different growth stages, changes in leaf area, and the accumulation of dry matter were determined. The research results showed that with increasing rates of mineral and organic fertilizers, the leaf area of green-leaved amaranth increases from 332.9 in the control to 1046.2 per plant when N80P60K40 is applied, the yield increased by 0.3 to 0.66 dt/ha. The application of organic fertilizers increased the productivity of amaranth by 0.71-1.1 t/ha and 0.55-1.0 t/ha, respectively.