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Can potassium permanganate be used to irrigate strawberries with fertilizer?

Of course.

According to Zhihu's inquiry, potassium permanganate is a strong oxidant, which can help strawberry to be disinfected. When raising seedlings, spray 2-4 grams of potassium permanganate per square meter. Before and after transplanting, potassium permanganate was used to dilute 1500 times solution, 200 ml per plant, and the roots were irrigated. After root irrigation, cover the soil and water it in time to avoid damaging strawberry roots.