FIELD: agriculture.
SUBSTANCE: method of poultry droppings processing involves treating of the droppings with mineral acids. Fresh poultry droppings are mixed with the solution of sulphuric or phosphoric acid; concentration of the sulphuric or phosphoric acid solution amounts to 25-35%, pH values amount to 5.0-6.5.
EFFECT: reducing negative impact on the environment arising from the poultry droppings storage and fertiliser production, decreasing poultry droppings processing time, possibility to process large volume of droppings, reducing end product cost.
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