FIELD: logging and forestry. SUBSTANCE: method involves threshing buds from green birch branches having temperature below 5-8 C. Apparatus has feeding hopper, cylindrical brushes, front and rear supporting rollers, breaking screen, intermediate supporting roller and inclined guiding plate. Hopper front wall is positioned at an acute angle to branch feeding direction. Front and rear rollers define junctions with hopper walls. Rear supporting roller is mounted outside hopper. Inclined guiding plate is disposed in front of intermediate roller. Breaking screen is made in the from of brush composed of vertical monofilaments fastened with their upper ends. EFFECT: increased efficiency and reduced labor intensity. 2 cl, 1 dwg
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