Story: Superphosphate

All images and media

From page 1 - Superphosphate history

Granules

Granules

Impact of regular fertiliser use

Impact of regular fertiliser use

Nauru stripped

Nauru stripped

Lincoln College

Lincoln College

From page 2 - Making superphosphate

Sulfuric acid coolers

Sulfuric acid coolers

Superphosphate manufacture

Superphosphate manufacture

From page 3 - New Zealand superphosphate

Bones for superphosphate

Bones for superphosphate (1st of 2)

Guano

Guano (2nd of 2)

Superphosphate den

Superphosphate den

Granulated superphosphate

Granulated superphosphate

Bagging

Bagging

Ballance Agri-Nutrients Fertiliser Company

Ballance Agri-Nutrients Fertiliser Company (1st of 2)

Ravensdown Fertiliser Company

Ravensdown Fertiliser Company (2nd of 2)

From page 4 - Superphosphate pros and cons

Spreading by truck

Spreading by truck

Reactive rock phosphate fertiliser

Reactive rock phosphate fertiliser

Phosphate cycle in grazed pasture

Phosphate cycle in grazed pasture

Fertiliser loader and topdressing aircraft

Fertiliser loader and topdressing aircraft

How to cite this page:

Arthur Duncan, 'All images and media', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/superphosphate/media (accessed 16 May 2022)

Story by Arthur Duncan, published 24 Nov 2008