UNIT FOR INTRODUCING LIQUID FERTILISERS AND HERBICIDES INTO THE RHISOSPHERE OF MAIZE AND TILLED CROPS Russian patent published in 2022 - IPC A01C23/02 

FIELD: agriculture.

SUBSTANCE: invention relates to the field of agricultural engineering. The unit comprises cultivator shares with racks, directed sprayers, a liquid-conducting pipeline. The sprayers are installed on the racks of the shares. Each directed sprayer has a body with a conical hole wherein a conical guide screw is installed. A nozzle is attached to the lower part of the body with a conical hole, provided with a parabolic channel communicating with the conical hole and expanding toward the outlet for ensuring treatment of the rhisosphere of plants. The shares are made one-sided and flat. The conical hole of the sprayer comprises recesses on the inner side surface thereof, made in the form of a multi-pass pipe thread with a winding opposite to the winding direction of the conical guide screw.

EFFECT: level of crushing of the liquid supplied from the sprayer into the nozzle into small drops is increased in order to reduce the consumption of the introduced agent during spraying.

1 cl, 4 dwg