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Potassium Deficiency in Tomato: Symptoms, Causes & How to Fix It

A complete agronomist guide to identifying and correcting Potassium deficiency in Tomato crops. Includes visual symptom guide, soil test interpretation, and fertilizer recommendations.

Why Tomato Needs Potassium

Potassium is an essential nutrient for Tomato growth and development. Potassium improves fruit quality, disease resistance, and water use efficiency.

In India, Potassium Deficiency is particularly common in Tomato grown in all India due to specific soil conditions in these regions.

Visual Symptoms of Potassium Deficiency in Tomato

🔍 What to look for in your Tomato field:

⚠️scorching of leaf margins starting from older leaves
⚠️weak stems
⚠️poor drought resistance
⚠️bland tasting fruit
📊 Did you know? Potassium improves fruit quality, disease resistance, and water use efficiency.

Soil Causes of Potassium Deficiency in Tomato

Potassium Deficiency in Tomato 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 Tomato

ProductApplication MethodDoseTiming
MOP 60% K2O (50 kg/acre)Soil50 kg/acreVegetative stage
SOP 50% K2O (50 kg/acre)Soil50 kg/acreVegetative stage
Potassium Nitrate 13-0-45 (foliar)Foliar sprayfoliarVegetative stage
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Frequently Asked Questions

What are the symptoms of Potassium Deficiency in Tomato?

scorching of leaf margins starting from older leaves, weak stems, poor drought resistance, bland tasting fruit

How quickly can I fix Potassium Deficiency in Tomato?

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 Tomato yield?

Yes significantly. Potassium deficiency reduces Tomato yield by 20-50% depending on severity. It also reduces fruit/grain quality.

Which soil test should I do for Tomato?

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.

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