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5
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Observations on the population dynamics of the red locust, Nomadacris septemfasciata (Serville), in its outbreak areas / C.W. Stortenbeker.
- 860.1
- Centre for agricultural publications and documentation (PUDOC),
- 1967.
- Wageningen :
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Annotated bibliography on reclamation and improvement of saline and sodic soils (1960-1966) / Comp. by J.G. van Alphen and L.F. Abell.
- International institute for land reclamation and improvement (ILRI),
- 1967.
- Wageningen :
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The semi-wild oil palm and its industry in Africa / door A.C. Zeven.
- 860.1
- Centrum voor landbouwpublikaties en landbouwdocumentatie,
- 1967.
- Wageningen :
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Economic aspects of low labour-income farming / H.A. Luning.
- Centrum voor landbouwpublikaties en landbouwdocumentatie,
- 1967.
- Wageningen :
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Research and breeding for mechanical culture of rice in Surinam / H. ten Have.
- Centrum voor landbouwpublikaties en landbouwdocumentatie,
- 1967.
- Wageningen :