Deficiencies can cause foliage to discolor,
fade, distort, or become spotted. Fewer leaves,
flowers, and fruit may be produced, and these
may develop later than normal and remain undersized.
Commercial laboratories can conduct foliage
tests or soil analysis to verify deficiencies.
Typical symptoms vary among vegetable species.
Older leaves are yellowish; new growth sparse, undersized; plants grow slowly and foliage