The Carrier was lower, at 115 plants/sq m, while the low disturbance subsoiler was the least successful at 23 plants/sq m. The direct drill was in between at 46/sq m.

In between, a 6m Grange Close Coupled Toolbar with low disturbance subsoiler legs helps take out any compaction ahead of the drill. Depth is dictated by soil profile inspections post-harvest, but ...