We've all changed to … CHALLENGE FERTILIZERS Because we've proved for ourselves that Challenge gives positive results — it's thoroughly reliable … and we can get it when we want it, in bulk or bagged. CHALLENGE SPECIAL MIXTURES ⋆ CHALLENGE DDT SUPERPHOSPHATE MIXTURE ⋆ HORMOPHOS ⋆ CHALLENGE AERIAL SUPER ⋆ ‘FRE-FLO’ MURIATE OF POTASH ⋆ CHALLENGE SUPERPHOSPHATE ⋆ CHALLENGE SERPENTINE SUPER ⋆ CHALLENGE POTASSIC SERPENTINE SUPER MIXTURE and for special areas: COPPERISED MIXTURES ⋆ MOLYBDIC MIXTURES COBALTISED MIXTURES ⋆ DIELDRIN MIXTURES Manufactured by N.Z. FARMERS' FERTILISER CO. LTD. Incorporating the Challenge Phosphate Co. Ltd. and the Kiwi Fertiliser Co. Ltd. AUCKLAND — MORRINSVILLE — NEW PLYMOUTH FI.IB