David lists the ‘four P’s of organic control. First looks at preventing attack, including feeding or spraying plants to make them less appealing to slugs and snails and also more resistant to damage. Then, he looks at the various physical barriers you can use that slugs and snails don’t like to cross. He describes various natural predators that eat slugs and snails, and lastly explains when to pick slugs and snails off your plants.
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