grooving subsoiler SJ-CR5 model, due to its characteristics it is easily adaptable to DIRECT SOWING. Among its features are: designed with narrow tine, allowing a minimum alteration of the soil surface compatible with no labour techniques. Made with high quality materials which guarantee great resistance and job quality. The design of the tines allow a deep crack without rising up the surface of the soil, the incorporation of a disc makes the penetration of the tines easier.