Deficiency of which mineral nutrient causes the plant to show stunted growth, reddish-purple tips and margins of leaves, dark green leaves with leathery texture and delayed maturity?
Nitrogen
Magnesium
Phosphorus
Carbon
Phosphorus causes the plant to show stunted growth, reddish-purple tips and margins of leaves, dark green leaves with leathery texture and delayed maturity. Hence, the correct answer is option c.