TIME & COVERAGE ECONOMIES IN AERIAL TOPDRESSING & BULK SPREADING Aerial operators have also welcomed the free-flowing, easy-to-handle advantages of granulated Challenge fertilisers. They are now able to place fertiliser more accurately — and from a greater height. By increasing their safety margin the new products enable them to cut down weather delays. It's quite practical to topdress with Challenge granulated in wind-conditions which, with the old-type powdered fertiliser, would mean fertilising half the next county.
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Te Ao Hou, December 1967, Page 18
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73TIME & COVERAGE ECONOMIES IN AERIAL TOPDRESSING & BULK SPREADING Te Ao Hou, December 1967, Page 18
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The Secretary Maori Purposes Fund Board
C/- Te Puni Kokiri
PO Box 3943
WELLINGTON
Phone: (04) 922 6000
Email: MB-RPO-MPF@tpk.govt.nz