18-6-12 is one of a range of fertilisers ideal for improving soil fertility by building P & K levels. K can be applied at any time of the year while P applications have to be completed by the 14th September. 18-6-12 is available in 50 and 500kg. For expert sward management advice contact the KFA team who can advise on the best grassland management system for your farm. Email firstname.lastname@example.org or call 066 712 3446.