FIELD: production of fertilizers from agricultural wastes, such as manure or bird dung. SUBSTANCE: apparatus has container 1 with cover provided with airducts 6, which communicate container 1 with atmosphere. Gates 8 and fans 9 with hand drive are mounted within airducts 6. Side walls of container 1 are provided with openings 4. Construction of apparatus allows basic material decomposition process to be accelerated. EFFECT: increased efficiency by accelerated process of preparing fertilizer, simplified construction and enhanced reliability in operation. 2 dwg
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