Why Maize / Corn Needs Potassium
Potassium is an essential nutrient for Maize / Corn growth and development. Potassium improves fruit quality, disease resistance, and water use efficiency.
In India, Potassium Deficiency is particularly common in Maize / Corn grown in Karnataka, Andhra, Maharashtra due to specific soil conditions in these regions.
Visual Symptoms of Potassium Deficiency in Maize / Corn
🔍 What to look for in your Maize / Corn field:
Soil Causes of Potassium Deficiency in Maize / Corn
Potassium Deficiency in Maize / Corn is commonly caused by: Sandy soils, high rainfall areas, soils with low CEC
A soil test is the most reliable way to confirm Potassium deficiency. Use SoilPro's NPK Calculator to get fertilizer recommendations based on your soil test values.
How to Correct Potassium Deficiency in Maize / Corn
| Product | Application Method | Dose | Timing |
|---|---|---|---|
| MOP 60% K2O (50 kg/acre) | Soil | 50 kg/acre | Vegetative stage |
| SOP 50% K2O (50 kg/acre) | Soil | 50 kg/acre | Vegetative stage |
| Potassium Nitrate 13-0-45 (foliar) | Foliar spray | foliar | Vegetative stage |
Frequently Asked Questions
What are the symptoms of Potassium Deficiency in Maize / Corn?
scorching of leaf margins starting from older leaves, weak stems, poor drought resistance, bland tasting fruit
How quickly can I fix Potassium 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 Potassium Deficiency affect Maize / Corn yield?
Yes significantly. Potassium 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.