Root cutters: perennial weed control with a low risk of soil erosion and nutrient leaching
The more intensive tillage methods tested (rotary tiller, disc harrow, stubble harrow) did not provide significantly better perennial weed control than the horizontal root cutter. Treatments with the vertical root cutter had 40% less E. repens and 22% less S. arvensis shoot biomass than treatments without the vertical root cutter.
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