It has a role in cells, tissues and in osmotic regulation, in the balance of cations/anions, in the opening and closing of stomata, in water relations in the plant, in addition to stimulating the use of nitrogen, enabling better absorption, assimilation, nutrition and consequent productivity.
Deficiency – Older leaves have burnt leaf margins. As the deficiency progresses, the petioles of these leaves coalesce, dry up and die.
