Molybdenum availability to plants is thus poorest on acid soils and is improved by ... nutrition is the wide variation between the critical deficiency and toxicity levels. ... in leaf blade formation (whiptail) are the most typical visual symptoms.
The geographic distribution of molybdenum (MO) areas toxic for ... producing forage plants with 10 to 20 ppm or more of Mo, levels well within the toxic range ... symptoms of molybdenosis. (Underwood,. 1971). Endemic areas of high MO are.