SPLIT-FURROW SHOE OPENER Russian patent published in 2006 - IPC A01C7/20 

FIELD: agricultural engineering.

SUBSTANCE: invention can be used for application of fertilizers together with sowing. Proposed opener has tip, hollow post with seed channel and distributor, tine-feeder with channel for fertilizers. Tip and tine-feeder are formed by left-hand and right-hand sides and insert in between. Channels for tier delivery of microelements and macrofertilizers (solid fertilizers) and seeds are made in insert. Slot wall adjusters in form of cylinders with bevel cuts are arranged on left-hand and right-hand sides of tine feeder. Mounting part of tine-feeder and tip is mated with bar. Said bar is provided with unions for independent connection by hoses with fertilizer feed and seed-sowing mechanisms. Each union is connected by threaded end with individual channel in insert. Lower parts of channels for feeding fertilizers are provided with flow dividers in insert connected with outlet ports of sides. Tip located after tine-feeder is formed by posts provided with channels and bent to left and right. Each channel in inclined posts is formed by left and right sides and slots in insert. Front parts of tine-feeder and left and right posts of tip are provided with cutting edges. Mounting holes of opener are made on bar. Insert is mated with bar by means of slot on its lower face and by welds.

EFFECT: increased yield.

3 cl, 11 dwg