FIELD: agriculture. SUBSTANCE: poultry pens are milled to fragments, dried, irradiated by ultraviolet light and then mixed with "poor" soil at weight ratio 1:100 followed by composting for 30 days, not less. Soil with the proposed fertilizer has mellow and soft structure, exhibits good air permeability and moisture retention. Invention can be used in utilization of poultry farming waste for fertilizer producing. EFFECT: improved method of fertilizer producing.
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