Use of Different Types of Phosphate Rock in Single and Triple Superphosphate Production
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Work Study – with Special Reference to Improvement of Productivity in the Fertiliser Industry
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N.P.K. Residues from Fertilisers and Farmyard Manure in Long-Term Experiments at Rothamsted
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First Installation of a Phosphoric Acid Plant According to the Anhydrite Method at Vercelli, Italy
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