太陽熱消毒のやり方。薬剤を使わずに太陽熱で土の中の害虫、病菌、雑草の種を一度にまとめて死滅させる簡単な方法。

Solar disinfection is the most effective soil sterilization and insecticidal method in July and August in midsummer. What you prepare is only water and transparent multi, and you don't use any drugs. It is a sterilization, insecticidal, and weed control method using solar heat and water heat conduction.