|Rx for Soils and Crops||
Date Last Edited: 07/20/2001
Manganese (Mn) toxicity. At low levels, Mn is essential for plant growth; yet at high levels -- as a result of acidic pH or wet (anaerobic) conditions -- Mn is toxic to plants.
In soybean, Mn toxicity shows up as stunted, crinkled, and chlorotic leaves.