Which is the best way to sterilise soil in the greenhouse and the vegetable patch?

Answer 1

The best way to sterilize soil in a greenhouse or vegetable patch is through solarization, which involves covering the soil with clear plastic for 4-6 weeks during sunny weather. This method effectively raises soil temperature, killing harmful pathogens, weed seeds, and pests. Alternatively, steam sterilization can be used, where steam is injected into the soil to achieve similar results. Chemical options, such as using bleach or commercial soil sterilants, are also available but should be used with caution due to potential environmental impacts.