Rolling and crimping of cover crops is a crucial component to making organic no-tilling work, experts say. Biomass left over from a healthy canopy of cover crops can suppress weeds, while roller-crimpers handle cover crop termination — all without the use of herbicides or tillage. But ensuring that the cover crop grows enough biomass to suppress weeds and is completely killed requires dedicated management. “I’ve gotten a lot of calls over the years from organic farmers who were disappointed in the result in weed control . . .
From getting a thick stand of cover crops to terminating them at the right time, roller-crimping experts explain the key components for weed control in organic no-till.
Crush-Rite Crimper Roller
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Martin Lines showing a crimp roller on a cover crop of winter beans & talking about reducing inputs.
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Roller crimper designs for cover crops
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In-field Observations: Small-Scale Roller Crimping
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Roller crimper designs for cover crops