Ключевые слова: aggregate, agricultural, agricultural implement, agricultural land, agriculture, arable land, combine, cultivation process, cultivator, disc harrows, disking, equipment, farming, field, growing crops, harrow, harvester, industry, land under cultivation, machine, machinery, plough, ploughed field, ploughing, ploughland, preparation of land, ripper, soil cultivation, technique, tillage, tillage machine, tillage season, tilth, transport, unit, working of land,