Challenge's new DDT SUPER it's granulated FALLS QUICKLY THROUGH TO SOIL SURFACE Kills Grass Grub when evenly applied at 2 cwt. per acre. Costs only 11/5d per acre more than normal Super Phosphate. GRASS GRUB for up to 3 years. PORINA CATERPILLAR (Subterranean grass caterpillar) for up to 2 years. CATTLE TICK for up to 12 months. ARMY WORM in early stages of infestation MINIMUM PASTURE WITHHOLDING PERIOD NO PERMIT NEEDED ECONOMICAL AND EASY TO USE Challenge's DDT Super quickly reaches down to grass roots. With risk of residues on foliage reduced to a minimum, the pasture with-holding period is 4 weeks for dairy cattle in milk and 2 weeks for sheep and other cattle. Granule form minimises drift — neighbouring properties will not be affected by residues. Each granule of Challenge DDT Super has its correct proportions of Superphosphate and DDT Powder. Combines top-dressing and pasture control in one simple operation. May be used by all types of ground or aerial top-dressing machines. CONTROL PASTURE PESTS THIS SIMPLE EFFECTIVE WAY WITH CHALLENGE GRANULATED DDT SUPER WHICH CONTAINS 20 lb. DDT P.P.I. PER TON CHALLENGE