It is most important to have shiny, clean, attractive skin of the potato, due to which the market price and demand are also high, potato skin infections like black scurf, powdery and common scab make the potato less attractive and storage capacity is also affected. Therefore, the right amount of nutrients can reduce the skin disorder of potatoes. And can increase the glow of the skin.
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Calcium: Calcium plays an important role in improving the colour of potato skin. Calcium strengthens the outer layer of the tuber, making it resistant to many diseases including black scurf, silver scurf, powdery scab or common scab.
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Sulphur: Sulphur helps in reducing the levels of common and powdery scabs. This problem can also be caused by the decrease in the pH of the soil. To prevent this, sulfur is used.
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Boron: Boron improves the effectiveness of calcium. Boron helps to stabilize calcium in the cell wall and also increases the absorption of calcium.
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Zinc: Zinc helps in reducing the infection of disease. Zinc is commonly used to protect against powdery scabs. The use of zinc is only effective for powdery scabs in soil applications.
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Magnesium and manganese: Magnesium and manganese can reduce levels of common scabs.
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Dose: To increase the shiny skin and tuber size of the potato, apply Calbor 5 kg + Zinc Sulphate 5 kg + Magnesium Sulphate 5 kg + Potash 20 kg, mix all these together evenly on a one-acre area and do light irrigation.
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