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Book List
5
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Maize production and manuring of maize / prep. Joseph Berger.
- Centre d'étude de l'Azote,
- cop. 1962.
- Geneva :
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Progressive wheat production / [contrib. by F.C. Schlömer...et al.].
- Centre d'étude de l'Azote,
- [ca. 1960].
- Geneva :
-
Means of increasing rice production / by J.G. de Geus.
- Centre d'étude de l'Azote,
- [1954].
- Geneva :
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The manuring of sugar cane / by D.J. Halliday.
- Centre d'étude de l'Azote,
- [ca. 1956].
- Geneva :
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The manuring of coffee, cocoa, tea and tobacco / prep. by F.J.E. van Dierendonck.
- Centre d'étude de l'Azote,
- [ca. 1959].
- Geneva :