Disc system Stubble cultivation is key for residue incorporation, weed seed germination or seedbed preparation. Our SDM range is ideal for 3-10cm cultivation. The SDH range, with its larger discs and comprehensive suspension system, has been designed for deeper cultivation and coping with heavy surface residue. The SDM range feature a 520mm diameter concaved shape disc with a notched edge for good cutting and ground following capabilities and has rubber suspension to give vertical movement of 100mm. The roller acts both as rear depth control and a crumbling and packing unit. Choose between a...