Chempak® Onion Fertiliser

Chempak organic onion fertiliser is a specially formulated granular fertiliser with essential nutrients, in the correct balance, slowly released throughout the season to give tastier and increased yields of quality onions, shallots and garlic. 1kg is sufficient for planting 75 onion sets in a 7.5m (25ft) row. (N:P:K – +4MgO)