Role of Manganese in Plant Culture | PRO-MIX Greenhouse ...
2021-9-24 · Manganese and iron are closely related, so manganese competes with iron and, to a lesser extent, with zinc, copper, magnesium and calcium for uptake by the plant. Maintain the manganese to iron ratio at 1:2 for best results, and test the growing medium to verify that all nutrient levels and pH are within their normal ranges.
