Abstract
Studies conducted to study the effect of the use of combinations of bird droppings and mineral fertilizers, organic fertilizers on the yield of grain crops in a crop rotation showed that this technique can significantly increase the productivity of arable land. On average, over three years of research, the increase in the use of mineral fertilizers and bird droppings was 45.3–46.6 % higher than in the variant without fertilizers. The use of organic mineral fertilizers obtained on the basis of bird droppings with mineral enrichment highly effective intake, grain productivity of spring wheat and oats even in adverse weather conditions exceeded the control options by 44–47 %. Conducted comparative analysis of the options with mineral fertilizers and organomineral fertilizers showed that the latter are not inferior in direct effect, and in some cases even superior to the mineral counterpart. Comparative production tests have confirmed the significant economic efficiency of using complex organomineral fertilizers compared to its industrial mineral counterpart.
Highlights
The priority direction in improving the efficiency of agricultural production is based on solving issues of intensification, improving economic methods of managing, processing and selling agricultural products
The purpose of the research was to study the efficiency of using rotted goose droppings and mineral fertilizers in grain-crop rotation, as well as organomineral fertilizers obtained on the basis of chicken droppings on black soil leached in the TransUrals
In 2017, in the experimental field of the Kurgan State Agricultural Academy on leached chernozem, stationary experiment was held to study the effect of goose droppings in combination with nitrogen-phosphorus fertilizers on the yield of grain crops in a grain-crop rotation
Summary
The priority direction in improving the efficiency of agricultural production is based on solving issues of intensification, improving economic methods of managing, processing and selling agricultural products. The systematic use of organic fertilizers contributes to the accumulation of humus, improves the physicochemical properties of the soil, increases the supply of nutrients, lowers acidity, increases the content of absorbed bases, absorption capacity and buffering, and creates optimal conditions for the mineral nutrition of plants [7, 8]. By the amount of nutrients and the positive effect on soil fertility parameters, the fertilizers obtained are not inferior to the manure obtained from cattle and small cattle. These types of fertilizers can be used as the main, row and top dressing of plants. Fresh litter contains useful elements and minerals that contribute to the development of plants and their growth [9, 10]
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