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5
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On irrigation efficiencies / M.G. Bos, J. Nugteren.
- International institute for land reclamation and improvement,
- 1974.
- Wageningen :
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Steam sterilisation of soil with simple methods / by W.K.W. Broekhuizen and C.J. van der Post.
- Instituut voor tuinbouwtechniek,
- 1974.
- Wageningen :
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Proceedings of the first International congress of ecology : structure, functioning and management of ecosystems, The Hague, the Netherlands, September 8-14, 1974 / congress secretary A.J. Cavé.
- Centre for agricultural publishing and documentation (PUDOC),
- 1974.
- Wageningen :
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Report of the second study tour on the growing of fibre-flax and kenaf in Egypt (October 1973) / J.C. Friedrich.
- 861.6
- [Landbouwhogeschool],
- 1974.
- Wageningen :
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The epidermal resistance to diffusion of water vapour : an improved measuring method and field results in Indian corn (Zea mays) / C.J. Stigter.
- Centre for agricultural publishing and documentation (PUDOC),
- 1974.
- Wageningen :