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These machines are highly recommended from an agronomic point of view: they enable an extremely high crop yield since they do not invert soil layers, but rather help to maintain the soil's natural composition, structure and biodiversity. Power harrows finely break up the soil, refining and evenly distributing it over the entire working width to create a perfect seed bed: they are generally used for secondary tillage after ploughing or subsoiling and can break up even the most compacted ground, often in a single pass. Furthermore these implements are most frequently used in combination with all types of seed drill, for soil cultivation and seeding in a single pass to limit operating costs, while preventing excessive soil compaction caused by repeated passes of the tractor.
