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Résultats des essais de fumure minérale au Congo belge : note prés. à Nairobi lors de la réunion des 13 et 14 juillet 1949 de l'East African Agricultural and Forestry Research Prga...
Focan, A. - In: Bulletin agricole du Congo Belge et du Ruanda-Urundi 41 (1950) 1, pp. 73-104
Persistent link: https://www.econbiz.de/10002213899
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Om bestemmelse af jordens gødningstrang : jordbundsanalyser og marktforsøg/ Karsten Iversen
Iversen, Karsten - In: Nordisk jordbruksforskning (1949/50) 3/4, pp. 189-211
Persistent link: https://www.econbiz.de/10002193455
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Struktur und Bestimmungsgründe der Verbraucherpreise für Handelsdünger im Bundesgebiet
Ebers, P. - In: Berichte über Landwirtschaft : Zeitschrift für … 34 (1956) 4, pp. 611-629
Persistent link: https://www.econbiz.de/10002093744
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The structure of competition in the fertilizer industries in North America
Lamer, Mirko - In: Weltwirtschaftliches Archiv : Zeitschrift des Instituts … 75 (1955) 2, pp. 275-312
Persistent link: https://www.econbiz.de/10002262091
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Fertilizers : A world report on production and consumption, 1950/51, 1951/52 and 1952/53
1952
Persistent link: https://www.econbiz.de/10002267280
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Fertilizers and lime in the United States : Resources, production, marketing, and use
1946
Persistent link: https://www.econbiz.de/10002267281
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La coopération internationale dans le domaine de l'agriculture
Hermès, A.; Carlier, M. - In: International associations : their congresses, their … 10 (1958) 11, pp. 728-819
Persistent link: https://www.econbiz.de/10003291506
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Statistics on fertilizers and liming materials in the United States
Mehring, A. L.; Adams, J. Richard; Jacob, K. D. - 1957
Persistent link: https://www.econbiz.de/10003222822
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Humauby
1955
Persistent link: https://www.econbiz.de/10003146559
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Injuries and accident causes in fertilizer manufacturing : a detailed analysis of hazards and injury-frequency rates in 1946 by region, plant-size and department
McElroy, Frank S.; McCormack, George R. - 1949
Persistent link: https://www.econbiz.de/10003152567