FIELD: agricultural engineering, in particular, machines for soil tillage without heavy tractor. SUBSTANCE: method involves moving working tools relative to tractor and transverse to direction of advancement of tiller and turning them at the end of each pass; increasing motion speed of tiller in proportion to variable width of working tool. Apparatus has mechanism for moving and rotating working tools about movable shafts for reversal of working tools and mechanism for moving working tools relative to tractor and transverse to direction of progressive advancement of tiller. The latter mechanism has tiller width regulator made in the form of device for restricting motion of working tools. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 7 cl, 5 dwg
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