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7
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Towards the improvement of maize in Nigeria / door C.L.M. van Eijnatten.
- 862.9
- Veenman,
- 1965.
- Wageningen :
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Some nomographs for the calculation of drain spacings / W.F.J. van Beers.
- Veenman,
- 1965.
- Wageningen :
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Soil ripening and soil classification : initial soil formation of alluvial desposits with a classification of the resulting soils / L.J. Pons, I.S. Zonneveld.
- Veenman,
- 1965.
- Wageningen :
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Liberian high forest trees : a systematic botanical study of the 75 most important or frequent high forest trees, with reference to numerous related species / A.G. Voorhoeve.
- 862.6
- Centrum voor landbouwpublikaties en landbouwdocumentatie (Pudoc),
- 1965.
- Wageningen :
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The interaction of certain inorganic anions with clays and soils / F.A.M. de Haan.
- Centrum voor landbouwpublikaties,
- 1965.
- Wageningen :
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Organic salts in plants in relation to nutrition and growth / H.D.W. van Tuil.
- Centre for agricultural publications and documentation,
- 1965.
- Wageningen :
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The Managil South-Western extension : an extension to the Gezira scheme : an example of an irrigation development project in the Republic of the Sudan / D.J. Shaw.
- 864.1
- Veenman,
- 1965.
- Wageningen :