Story: Superphosphate All images & media From page 1 – Superphosphate history Granules Impact of regular fertiliser use Nauru stripped Lincoln College From page 2 – Making superphosphate Sulfuric acid coolers Superphosphate manufacture From page 3 – New Zealand superphosphate Bones for superphosphate (1st of 2) Guano (2nd of 2) Superphosphate den Granulated superphosphate Bagging Ballance Agri-Nutrients Fertiliser Company (1st of 2) Ravensdown Fertiliser Company (2nd of 2) From page 4 – Superphosphate pros and cons Spreading by truck Reactive rock phosphate fertiliser Phosphate cycle in grazed pasture Fertiliser loader and topdressing aircraft
