Nutrients which affect growing tips most are Ca and

The nutrients which affect growing tips most are Ca and B.
Calcium is an essential plant nutrient. It plays an extremely important role in producing plant tissues and it enables plants to grow better. Calcium is responsible for holding together the cell walls of plants.
B is one of the essential nutrients for the optimum growth, development, yield, and quality of crops. It performs many important functions in plants and is mainly involved in cell wall synthesis and structural integration.