“They go the whole hog Mac” IT IS A FACT THAT THRERE IS A CHALLENGE FERTILIZER FOR EVERY TOP DRESSING JOB-SPECIAL AREA MIXTURES TOO! CHALLENGE FERTILIZERS Now manufactured only by N.Z. FARMERS FERTILIZER CO. LTD. INCORPORATING THE CHALLENGE PHOSPHATE CO. LTD. AND THE KIWI FERTILIZER CO. LTD. AUCKLAND MORRINSVILLE NEW PLYMOUTH 1-3A