MULTISECTION DOSING DEVICE FOR DIFFERENTIATED APPLICATION OF MINERAL FERTILIZERS AND SEEDS SOWING Russian patent published in 2021 - IPC A01C7/16 

FIELD: agriculture.

SUBSTANCE: invention relates to designs of dosing devices of sowing complexes for group sowing of seeds and fertilizers. Device comprises several sections with conical housings, inside of which there are vertically installed with possibility of rotation and vertical movement of conical coils. Sections are made with possibility of individual stepless variation of application rates of mineral fertilizers and seeding of seeds by vertical movement of coils relative to conical housings, as well as individual closing sections. Working surfaces of conical coils are made in the form of removable shells with grooves and without grooves.

EFFECT: invention makes it possible to simplify regulation of rates of application of fertilizers and seeding of seeds by sections on width of gripper of sowing complexes equipped with pneumatic, mechanical and combined distribution systems in technologies of accurate farming.

1 cl, 1 dwg