Story: Topdressing All images & media From page 1 – Fertilisers and spreading methods Aerial topdressing Organic manure From page 2 – Spreading fertiliser Fertiliser spread pattern Fertiliser effect on oats Fertilising the forest From page 3 – Ground spreading Ground spreader Fertiliser blower From page 4 – Origins of aerial topdressing Spreading by hand First topdressing trials Aircraft fertiliser hopper Applying lime From page 5 – Commercial developments of aerial topdressing The Tiger Moth Hill-country airstrip The Fletcher topdressing aircraft (1st of 2) The Cresco (2nd of 2) Loading fertiliser From page 6 – Topdressing today Ground spreading Topdressing by helicopter Map from GPS technology From page 7 – Legislation, quality assurance and safety Aerial spraying Accurate fertilising
