Superphosphate | Comments |
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SUPERPHOSPHATE: What Is It? It is the end product obtained when rock phosphate is mixed with sulphuric acid but not phosphoric acid; it contains about 16 to 20% of P205 (means soluble phosphate), A61-981; single super-phosphate has an analysis of 0-20-0; used as a dry feed on cymbidiums. A68-1058; OWD | 0 |