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

Keywords

Rock phosphate, Phosphorus fertilizers, Superphosphates, Crop yield, Western Australia

First Page Number

150

Last Page Number

154

Abstract

Field experiments conducted on our non leachng soils from 1975 to 1988 have consistently shown that rock phosphates, compared with freshly applied superphosphate each year, are a relatively ineffective fertilizer in the year of application and in the years after application.

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