Calcium Deficiency
Symptoms – The leaves become necrotic at the leaf tip and along leaf margins.
Affect – Premature death of older leaves.
Magnesium Deficiency
Symptoms – Red necrosis lesions resulting in rusty appearance,internal browning of rind.
Affect – Fibre content is reduced .
Nitrogen Deficiency
Symptoms – Leaf blades turn light green to yellow & margins of older leaves become necrotic.
Affect – Short and slender stalk.
Phosphorous Deficiency
Symptoms – Older leaves turn into greenish blue or reddish purple discolouration.
Affect – Reduction in length of sugarcanre stalk, poor tillering,restricted root development.
Potassium Deficiency
Symptoms– Reddish brown strips or spots on the mid rib.
Affect – It affects the plant growth.
Sulphur Deficiency
Symptoms – The leaves become chlorotic and yellow in colour.
Affect – The leaves are narrow and short,reduces the sucrose content.