In onion crops, apart from the main nutrients, micronutrients are also required for plant growth as well as for tuber development. It also increases immunity against pests and diseases. Due to lack of these nutrients in the soil, it starts showing symptoms of its deficiency on the crop.
Nutrient Management – For good growth and development as well as increase Bulb size in onion crop, Use Urea @ 30 kg + Agromin (Zinc 5% + Iron 2% + Manganese 1% + Boron 1% + Copper = 0.5%) @ 5 kg + coromandel Zinc Sulphate @ 5 kg per acre.
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