Symptoms: The leaves become chlorotic and yellow in colour. Affect: The leaves are narrow and short,reduces the sucrose content .
Potassium Deficiency
Symptoms: Reddish brown strips or spots on the mid rib. Affect: It affects the plant growth.
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.
Nitrogen Deficiency
Symptoms: Leaf blades turn light green to yellow & margins of older leaves become necrotic. Affect: Short and slender stalk.
Magnesium Deficiency
Symptoms: Red necrosis lesions resulting in rusty appearance,internal browning of rind. Affect: Fibre content is reduced .
Calcium Deficiency
Symptoms: The leaves become necrotic at the leaf tip and along leaf margins. Affect: Premature death of older leaves.