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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

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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