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Bodenuntersuchung und Phosphorsäuredüngung
Gericke, Siegfried; Zezschwitz, Ecke von - 1952
Persistent link: https://www.econbiz.de/10000515248
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Thomasphosphat : sein Werden und Wirken
Gericke, Siegfried - 1952 - 23. Aufl. der Schrift: "Thomasmehl und seine Verwendung"
Persistent link: https://www.econbiz.de/10000632325
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Superphosphat in Westeuropa und in den Vereinigten Staaten : eine Strukturanalyse der Superphosphat-Wirtschaft
Baade, Fritz; Ewald, Ursula - 1953
Persistent link: https://www.econbiz.de/10001402872
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The agricultural value of phosphate fertilisers which economise in the use of sulphuric acid : report on a study
Cooke, George W. (contributor) - 1956
Persistent link: https://www.econbiz.de/10001354610
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The minig and preparation of Florida land pebble phosphate
Collins, Richard M.; Jacob, K. D. - 1950
Persistent link: https://www.econbiz.de/10002028104
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Superphosphate and compound fertilizers : report of a visit to the USA in 1949
Productivity Team of the Fertilizer Industry - 1950
Persistent link: https://www.econbiz.de/10001535420
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Contribución al estudio de la genesis de fosforitas
Spillmann, Franz - 1952
Persistent link: https://www.econbiz.de/10002286164
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Superphosphate in Australia : usage on cereals and pastures before and since the war
Molnar, I. - In: Quarterly review of agricultural economics 4 (1951) 3, pp. 111-115
Persistent link: https://www.econbiz.de/10002501951