1️⃣ Kurzat (50 grams per 10 liters of water).
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Apply in the morning or evening on a windless day, at temperatures above +10°C,
2-3 times, at intervals of 5-7 days.
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Blueberries can also be treated with: Hom, Oxyhom, Homoxyl, Abiga Peak, Bordeaux, Ordan, Kuprolux, Bronex (see packaging for instructions!)
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2️⃣ Thiovit Jet (30 grams per 10 liters of water).
Apply to young leaves, at temperatures no lower than +20°C and no higher than +28°C.
You can also apply:
Topsin M, Topaz, Skor.
3️⃣ Colloidal sulfur (30 grams per mature bush).
4️⃣ Sprinkle dry vermicompost (approximately 100 grams per mature bush, 65-liter container) around the bush; you can combine this with sulfur fertilizer.
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Friends, this is all we do with our blueberries in the spring!
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We don't use mineral fertilizers!