Why Cotton Needs Magnesium
Magnesium is an essential nutrient for Cotton growth and development. Magnesium is the central atom of chlorophyll. Deficiency directly reduces photosynthesis.
In India, Magnesium Deficiency is particularly common in Cotton grown in Maharashtra, Gujarat, Telangana, Punjab due to specific soil conditions in these regions.
Visual Symptoms of Magnesium Deficiency in Cotton
🔍 What to look for in your Cotton field:
Soil Causes of Magnesium Deficiency in Cotton
Magnesium Deficiency in Cotton is commonly caused by: Sandy soils, high potassium application, acidic soils
A soil test is the most reliable way to confirm Magnesium deficiency. Use SoilPro's NPK Calculator to get fertilizer recommendations based on your soil test values.
How to Correct Magnesium Deficiency in Cotton
| Product | Application Method | Dose | Timing |
|---|---|---|---|
| Magnesium Sulphate (Epsom Salt) 0.5% foliar | Foliar spray | Epsom Salt | Vegetative stage |
| MgSO4 soil application (10 kg/acre) | Soil | 10 kg/acre | Pre-sowing |
Frequently Asked Questions
What are the symptoms of Magnesium Deficiency in Cotton?
interveinal chlorosis starting from older leaves (stays green near veins), reddish purple tints
How quickly can I fix Magnesium Deficiency in Cotton?
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 Magnesium Deficiency affect Cotton yield?
Yes significantly. Magnesium deficiency reduces Cotton yield by 20-50% depending on severity. It also reduces fruit/grain quality.
Which soil test should I do for Cotton?
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.