Northern Crop Driers - producers of the Graze-On range of grass-based forage feeds for horses and the highly absorbent bedding Megazorb.Established in 1975 at the family farm in Yorkshire, Northern Crop Driers are one of the leading manufacturers of dried grass horse feeds.Our Graze-On product is made from 100% natural, home grown grass and is rich in digestible fibre. Produced with a feed value that is virtually identical to fresh grass, it’s the feed your horse would choose, as nature intended.