METHOD OF ORGANIC FERTILIZER PRODUCTION FROM CONIFEROUS WOODWORKING WASTES Russian patent published in 2008 - IPC C05F3/00 C05F11/00 A01K67/33 

FIELD: agriculture.

SUBSTANCE: method includes as follows. Bird's dung, horse and/or cow manure, bark, sawdust, coniferous shavings are mixed up. Clamp is packed, moistened, crushed. Substratum is filled with earthworm population. Main component of substratum is bark, sawdust and coniferous shaving in amount 81%, and bird's dung and manure 11.7% and 7.3% respectively, clamp is moistened three times to 65-80% humidity immediately after packing, in 72 hours and in 2-2.5 months preliminary mixed and crushed. In 1-1.5 months after last moistening clamp is added with earthworm, covered with any improvised material: earth, ashes or straw layered 5-7 cm. Extensive development and reproduction of earthworm is carried out without hashing, extra nutrition and selections within 9-12 months.

EFFECT: method provides production of high quality fertiliser with simultaneous increase in earthworm population and allows for disposal of local production wastes to provide obvious economic; ecological and social effect.

4 cl