Chempak Organic Onion Fertiliser 750g
Ideal for all Onion, Shallot, Garlic and Leek varieties grown outdoors. An organic granular fertiliser specially formulated with essential nutrients in the correct balance, slowly released throughout the season to give tastier, higher quality onions and increased yields.
1kg is sufficient for planting 75 onion sets in a 7.5m (25ft) row.
(N:P:K – 6-5-7+4MgO)