Authors: L.A. Starygin, B.N. Driker, S.V. Zalesov, Yu.A. Gorbatenko

Title of the article: Production of organomineral fertilizer from waste poultry farming

Year: 2025, Issue: 1, Pages: 46-53

Branch of knowledge: 2.6.7. Technology of inorganic substances

Index UDK: 631.895

DOI: 10.26730/1999-4125-2025-1-46-53

Abstract: The question of obtaining organomineral fertilizer from litterless chicken manure is considered. A considerable number of large poultry farms are concentrated in the Middle Urals. The volume of manure formation is about 500 thousand tons per year. In practice, the duration of keeping the manure on special sites is 3 and more months, and the quality of decomposed manure used as fertilizer does not always meet the regulatory requirements. The methods of manure processing described in the literature have not been widely used in industrial production due to various reasons. The aim of the work is to obtain fertilizers from poultry farm waste by adjusting the composition of the mixture, contributing to the improvement of the solid-phase aerobic fermentation process. As a consequence, improving the consumer properties of the fermentation product for use in forestry, agriculture. The experiment included working out the modes of aerobic solid-phase fermentation by regulating the composition of the mixture, checking the quality of the fertilizers obtained, testing the consumer properties of fertilizers in laboratory and field conditions. In the course of the experiment the mode of aerobic solid-phase fermentation of litterless chicken manure with various additives was investigated, the optimal dosages of the components of the fermented mixture were determined. Fly ash from power station Reftinskaya, containing a large number of macro and microelements, has a positive effect on the quality of fertilizer. Organomineral fertilizers were tested for sanitary, veterinary and agrochemical parameters. The results confirming compliance with the standards applied to organic fertilizers were obtained. A series of experiments were conducted in laboratory conditions and data on the improvement of morphological characteristics during the cultivation of test objects (Kress-salad) were obtained. Field experiments on artificial reforestation on the recultivated area of the spent granite quarry in the Sverdlovsk region were laid. To test the quality of organomineral fertilizer in the cultivation of planting material, experimental sites were laid in forest nurseries Preliminary data on the improvement of the indicators of seedlings and seedlings of coniferous species assessed in practice were obtained.

Key words: litterless manure fly ash fermentation fertilizers reforestation planting material

Receiving date: 26.12.2024

Approval date: 22.01.2025

Publication date: 12.03.2025

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