Specifically formulated to get the best results from your home grown potatoes chempakampreg organic potato fertiliser is a granular fertiliser with essential nutrients in the correct balance which are released slowly throughout the season to give tastier and increased yields of quality potatoes 40npk 45 657 4mgo41 1kg is sufficient for planting 4 x 3m 4010ft41 rows of potatoesuseful linkshow to use fertiliserspack size info 1kg equates to approximately 15 potato tu