Granular phosphorus fertilisers prepn. from aluminium phosphate - superficially attacked by a base and combined with a swellable water-absorbing clay and mineral charge

Phosphorus granular fertiliser contains (a) calcined and ground natural aluminium phosphate, which has been subjected to superficial attack by a strong base, as the essential constituent; (b) swellable clay having a strong water-absorption ability, and (c) a finely divided mineral charge and has a w...

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Bibliographische Detailangaben

1. Verfasser:	ROBERT BENET ET JEAN-YVES MACRON
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY FERTILISERS MANUFACTURE THEREOF METALLURGY PHOSPHATIC FERTILISERS
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