Abstract
Single superphosphate (SSP), also called normal or ordinary superphosphate or acid phosphate, has been the principal phosphate fertilizer for more than a century and supplied over 60% of the world’s phosphate as late as 1955. Since then its relative importance has declined steadily; in 1975 it supplied only 20% of the fertilizer phosphate in the noncommunist world (data for some communist countries are incomplete). The decline in actual tonnage has been small, but most of the new facilities have been built to produce other, higher analysis products. For the world as a whole, including communist countries, TVA estimated 1972 SSP production at 7.87 million tons of P2O5, about 35% of total P2O5 fertilizer production, and projected production of 7.4 million tons in 1978 which would be about 25% of the total phosphate fertilizer production (1). Thus, SSP is still an important phosphate fertilizer and is likely to remain so even though its relative importance will decrease.
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© 1985 Springer Science+Business Media Dordrecht
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Hignett, T.P. (1985). Other Phosphate Fertilizers. In: Hignett, T.P. (eds) Fertilizer Manual. Developments in Plant and Soil Sciences, vol 15. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1538-6_16
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DOI: https://doi.org/10.1007/978-94-017-1538-6_16
Publisher Name: Springer, Dordrecht
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