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Journal of the Department of Agriculture, Western Australia, Series 4

Keywords

Phosphorus fertilizers

First Page Number

434

Last Page Number

436

ISSN

0021-8618

Abstract

ALTHOUGH 'double' or 'concentrated' superphosphate was first commercially manufactured in 1872 it was not until the 1950's that it became a major commercial fertiliser. In 1965 it accounted for about 15 per cent, of the world production of phosphatic fertilisers.

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