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Calcium deficiency symptoms

Calcium Deficiency Symptoms
The most obvious symptom of calcium deficiency is "tip-burn", which means necrotic lesions on leaf tips and margins. The symptoms start on younger leaves. With ongoing Ca deficiency necrosis progresses from tips and margins inwards. If calcium deficiency occurs during early stage of development, growth is severely stunted and no heads are formed
Corrective Measure :
Foliar spray of CaCl2@1%
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Magnesium deficiency symptoms

Magnesium Deficiency Symptoms
Symptoms of magnesium deficiency start on older leaves. Chlorosis between the veins progresses from the margin to the middle of the leaf. First the affected areas turn yellow-green, later color changes to orange or red. The small veins also become chlorotic, but the bigger ones remain green and white respectively. The interveinal zones curl up. Growth reduction is only slight when deficiency is moderate, but increases with severe deficiency.
Corrective Measure :
Foliar spray of MgSO4@0.5-1.0%
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Sulphur deficiency symptoms

Sulphur Deficiency Symptoms
Youngest leaves turned purplish, cupped upward leaf edges rolled in.. General plant development is delayed and growth is stunted. Headforming is inhibited and crops are more susceptible to fungal infections.
Corrective Measure :
Soil application of Gypsum 50 kg/ha.
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Boron deficiency symptoms

Boron Deficiency Symptoms
Boron deficiency symptoms start on the younger leaves. They remain small, are curled down and become deformed. The leaves show chlorotic mottling on the edges and between the veins. Necrosis may appear on leaf margins and intercostal fields. In case of ongoing deficiency only light heads are built and plant growth is severely stunted
Corrective Measure :
Foliar spray of Borax 0.5 % at fortnightly intervals
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Copper deficiency symptoms

Copper Deficiency Symptoms
Symptoms occur in young leaves; leaf growth will be affected; curd size also affected
Corrective Measure :
Foliar spray of CuSO4@0.5%
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Iron deficiency symptoms

Iron Deficiency Symptoms
Leaf blades are smaller than usual, whereas petioles are somewhat longer
Corrective Measure :
Foliar spray of FeSO4@0.5%
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