Di Sodiuim Octa Borate Tetra Hydrate Boron (as B) 20% minimum is recommended on Apples, Grapes, Papaya, Coffee, Tea, Citrus fruits, Pomegranate, Banana, Maize, Cotton, Sunflower, Groundnut, Sugarcane, Cabbage, Cauliflower, Onion, Tomato, Carrot, Beet & Celery etc.