WORKING TOOL FOR APPLICATION OF LIQUID IMPROVERS INTO SOIL Russian patent published in 2011 - IPC A01C23/02 

FIELD: agriculture.

SUBSTANCE: device comprises a material line with distribution holes evenly arranged along its length and having various diameters, a material flow divider, a channel of material supply and an air duct with holes. At the same time between the air duct and the material line there is a freely rotating spring. The spring is put into rotary motion via a bushing and a flexible shaft - a cord from a sprocket that interacts with a furrow bottom in the working position.

EFFECT: invention makes it possible to increase evenness of application and quality of liquid improves spraying into under-hoe space.

3 dwg