The invention relates to the agricultural industry, in particular, to the coulters seeders for sowing agricultural cultures. Single disc-anchor opener comprises a housing 1 with node 2 mounting it to a leash, flat disk 3 is mounted at an angle to the direction of movement, semyatukonapravitel 4, anchor-lozheobrazovatel, the outer sidewall 5 which is formed as a vertical wall, with a front portion 6, attached to housing 1, concerning the disk 3 and the rear portion 7 reaches behind semyatukonapravitel 4. what is new is that the front 6 and rear 7 of the outer side wall connected by a hinge 8, which provides rotation of the rear (tail) relative to about 7 parts longitudinal vertical plane to adjust the distance from the end of its tail part 7 to the longitudinal vertical plane passing through the center of the disc 3, in the range of 25 ... 70 mm said housing 1 is provided with spacers 9-fixing device for fixing the rear portion 7 of the outer sidewall 5 in a selected position. The use of the claimed utility model will expand the functionality and fertilizers drills, ensure that the number of manufacturing operations at a higher level, including to provide lane sowing of seeds of cereals, legumes and small-seeded crops and grasses with the most efficient for the given conditions the power of each seed area, the strip width from 30 to 70 mm, depending on the agronomic requirements relevant for a particular crop without replacement of working bodies. 1 SP f ly-2 Fig.Полезная модель относится к сельскохозяйственному машиностроению, в частности, к сошникам сеялок для посева с.-х. культур. Однодисково-анкерный сошник содержит корпус 1 с узлом 2 крепления его к поводку, плоский диск 3, установленный под углом к направлению движения, семятуконаправитель 4, анкер-ложеобразователь, наружная боковина 5 которого выполнена в виде вертикальной стенки, с передней частью 6, прикрепленной к корпусу 1 и касающейся диска 3, и задней частью 7, протянутой за семятуконаправитель 4. Новым
