Yellow mottled areas, not as intense as with iron deficiency, appear on the youngest leaves. This finally results in an overall pale appearance. In beets, foliage becomes densely red. Onions and corn show narrow striping of yellow. On soils with a pH above 6.7.
Leaves are pale, distorted, and very narrow with some interveinal yellowing on older leaves.
On legumes in very acid soils. Small reddish- brown spots appear on cotyledon leaves of beans. Green and yellow broad striping occurs at base of leaves of corn. Beets show interveinal yellowing with marginal burning.