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If your soil is acidic, sprinkle in lime or wood ashes to neutralize the soil, and defend against clubroot .
Once the soil is infested by the clubroot fungus, the fungus will remain viable for years.
In radishes, clubroot causes distorted swellings on the base of the bulb and along the tap root.
The microorganism that causes clubroot occurs worldwide and also infects plants in the rose, poppy, and grass families.
Hydrated lime appears to be more effective in reducing the severity of clubroot than ground limestone.
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