Abstract

Poultry litter accumulates every day on the territory of poultry farms and other agricultural enterprises. Its disposal has become a difficult problem to solve, since processing requires money, the availability of storage space and agricultural land for applying the resulting fertilizers, etc. The main task in the development of new types of bio- and organomineral fertilizers is to obtain properties, which would promote the accumulation of humus in the soil, replenish the deficiency of nutrients and significantly increase the efficiency of the latter. One of the positive properties of such fertilizers will be their reclamation properties, the presence of which is extremely necessary for agricultural production, especially in areas of risky farming. In order to solve the problems of processing bird droppings and providing crop producers with eff ective fertilizers, a technology for processing poultry litter with waste-free production of complex organomineral fertilizer has been developed. The purpose of the work was to increase the effi ciency of processing poultry litters to produce organomineral fertilizers. The content of organic matter in the new organomineral fertilizer was 63,0 % and was second only to its content in peat. Thus, in terms of nitrogen content, organomineral fertilizer exceeds cattle manure, pig manure and peat by 1,00; 0,87 and 0,98 abs.%, respectively. A similar trend was observed for phosphorus and potassium. The potassium content was even higher than in pure poultry litters by 1,42 abs.%. Since soil fertility decreases annually, even despite the supply of organic matter in the form of plant residues, the introduction of new organomineral fertilizer will contribute to the reverse process.

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