Acidic Soil, Al and Mn Toxicity
Wheat field with low pH soil. Image provided by R. Engel.
Wheat on low pH soil. Poor growth likely due to Al toxicity. Image by R. Engel.
Durum wheat roots stunted by Al toxicity. Image by R. Engel
Safflower field with low soil pH. Images by R. Engel
Safflower roots with Al toxicity (left) and healthy (right)