Ключевые слова: abstract, agricultural, agriculture, agronomy, arable, autumn, blade, closeup, concavity, country, cultivate, cultivation, cut, device, dirt, disc, dust, earth, edge, equipment, farm, farming, field, ground, harrow, harrowing, implement, industry, iron, knife, land, machine, machinery, metal, outdoors, plough, plow, rural, rust, rusty, season, soil, steel, technology, tillage, tilling, tool,