SLIT CUTTING APPARATUS Russian patent published in 1998 - IPC

FIELD: agriculture, in particular, erosion-preventive tillage of soil for perennial fodder crops. SUBSTANCE: slit cutting apparatus has chisel whose cutting edge penetrates into upper root soil layer due to point loading of its weight. Chisel cuts plant stems and roots. Tine angle in vertical plane may be changed depending on various physico-mechanical properties of soil at slit bottom of arable layer in its middle part and presence of live roots in upper layer. Soil of slit wall is additionally deformed and width of slit is increased due to increased thickness of soil deformer line as compared to thickness of chisel tine. Soil particles of upper layer are drawn into lower layers due to inclined position of deformer line. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 5 cl, 8 dwg, 1 tbl