Why Maize / Corn Needs Nitrogen
Nitrogen is an essential nutrient for Maize / Corn growth and development. Nitrogen is the most limiting nutrient for crop production worldwide. Required in highest amounts.
In India, Nitrogen Deficiency is particularly common in Maize / Corn grown in Karnataka, Andhra, Maharashtra due to specific soil conditions in these regions.
Visual Symptoms of Nitrogen Deficiency in Maize / Corn
🔍 What to look for in your Maize / Corn field:
Soil Causes of Nitrogen Deficiency in Maize / Corn
Nitrogen Deficiency in Maize / Corn is commonly caused by: Sandy soils, high rainfall leaching, low organic matter
A soil test is the most reliable way to confirm Nitrogen deficiency. Use SoilPro's NPK Calculator to get fertilizer recommendations based on your soil test values.
How to Correct Nitrogen Deficiency in Maize / Corn
| Product | Application Method | Dose | Timing |
|---|---|---|---|
| Urea 46% (top dressing) | Foliar spray | top dressing | Vegetative stage |
| CAN 25% N | Foliar spray | Recommended dose | Vegetative stage |
| Ammonium Sulphate 21% N | Foliar spray | Recommended dose | Vegetative stage |
| liquid nitrogen fertilizers | Foliar spray | As per label | Vegetative stage |
Frequently Asked Questions
What are the symptoms of Nitrogen Deficiency in Maize / Corn?
overall yellowing starting from older leaves, pale green to yellow color, stunted growth, early maturity
How quickly can I fix Nitrogen Deficiency in Maize / Corn?
Foliar sprays show improvement in 7-10 days. Soil applications take 2-3 weeks. Severe deficiency may need 2-3 foliar sprays at weekly intervals.
Does Nitrogen Deficiency affect Maize / Corn yield?
Yes significantly. Nitrogen deficiency reduces Maize / Corn yield by 20-50% depending on severity. It also reduces fruit/grain quality.
Which soil test should I do for Maize / Corn?
Test for pH, EC, N, P, K, Zn, Fe, Mn, B, and organic carbon. SoilPro can interpret any soil test report and give crop-specific recommendations.