Cultivators are equipped with “double coil tines” which break and level the soil. Its main functions are: • Use immediately after harvest • Preparation of the soil at medium depth • Intensive incorporation of residues • Breaking the soil in depth • Preparation of the bed for seeding at springtime • Burying of organic grains Tines’ distribution on a three rows frame is conceived to favor homogenous incorporation of harvest residues into the soil. Tines’ spacing of 230mm. is the right one in order to correctly work the whole surface. Frame clearance of 700mm. allows mixing of soil and its correct...