Cultivator for asparagus beds has pairs of contra-rotating excavator paddle wheels which scrape soil from ground on either side of bed, sloping plowshares scraping soil from flanks of bed so that it mixes with newly-excavated soil

摘要

The cultivator for asparagus beds (2) has pairs of contra-rotating excavator paddle wheels (4) which scrape soil from the ground (26) on either side of the bed. Sloping plowshares (23) scrape soil from the flanks (25) of the bed so that it mixes with newly-excavated soil.