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Computation of the absolute maximum food production of the world : a contribution to the research project on "Problems of population doubling and food supply" / by P. Buringh, H.D.J. van Heemst and G.J. Staring.
- Agricultural university. Department of tropical soil science,
- 1975.
- Wageningen :
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Contribution à l'étude ethnobotanique des Wagenia de Kisangani, Zaïre / J. Bokdam et A.F. Droogers.
- 863.4
- Veenman,
- 1975.
- Wageningen :
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Erosion in the Western part of the Kisii district / by G.R. Hennemann, J.H. Kauffman.
- Agricultural university,
- 1975.
- Wageningen :
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La culture de l'amarante, légume-feuilles tropical avec référence spéciale au sud-Dahomey / G.J.H. Grubben.
- Veenman,
- 1975.
- Wageningen :
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Report on the third study tour on the growing of the fibre flax in Egypt (October 1974) / J.C. Friederich, R.P. Wijnacker.
- 861.6
- IBVL,
- 1975.
- Wageningen :
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Simulation of the water balance of arable land and pastures / G.F. Makkink and H.D.J. van Heemst.
- Centre for agricultural publishing and documentation (PUDOC),
- 1975.
- Wageningen :
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Agricultural systems in Ethiopia / E. Westphal ; in collab. with J.M.C. Westphal-Stevels.
- 864.2
- Centre for agricultural publishing and documentation (PUDOC),
- 1975.
- Wageningen :