Agronomy blog · May 5, 2025
Zinc Deficiency in Corn: Symptoms and Options
How to recognize zinc deficiency symptoms in corn and which soil, starter, and foliar options Midwest growers typically consider.
Symptoms to watch in young corn
Zinc deficiency in corn often shows as interveinal striping on younger leaves, stunted plants, and delayed growth—especially in cool soils, high-pH ground, or fields with high phosphorus relative to zinc. Confirm with tissue tests before assuming every striped field is zinc.
Herbicide injury and other stresses can mimic nutrient symptoms. Treat diagnosis carefully.
Options once zinc is confirmed
Soil-applied zinc, starter packages, and foliar corrections each have a place. Choice depends on severity, growth stage, and whether you can still influence the crop with a foliar pass.
Rates and forms must follow product labels. Keep records by field—zinc issues often repeat on the same ground.
Build zinc into the fertility conversation
Review soil tests with zinc in mind on high-pH or historically short fields. Browse micronutrient options with Roush Ag Solutions and request pricing for products that fit your program.
Always verify rates, crops, tank-mix partners, and restrictions on the product label and SDS before you spray. This article is educational guidance for Midwest farmers—not a substitute for label directions or local agronomic advice.