METHOD OF PRODUCING BIOLOGICAL FERTILISER Russian patent published in 2016 - IPC C05F7/00 

FIELD: agriculture.

SUBSTANCE: method of producing biological fertiliser involves mixing of bottom deposits and straw, composting and aeration, wherein the bottom sediments is river sludge, and the straw-stubble remains of cereal crops; the wash river sludge is supplied directly on field with remainders of cereal crops by dredger in autumn in an amount of 6 t/ha; then at the beginning of December the crop remains are ploughed with mixing and aeration of compost components: soil, river sludge and stubble remains of cereal crops; then the compost mass is maintained during autumn-winter-prevernal period at ambient temperature within plus 15°C - minus 15°C, at the same time in winter period the compost mass is dehydrated and loosen by freezing and additional mixing compost mass is ploughed in prevernal period.

EFFECT: invention enables to obtain biological fertiliser of high quality.

1 cl, 1 ex