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1Texto bibliotecaCOLPOS
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2Texto bibliotecaCOLPOS
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4par Njukeng, Jetro .N, Patrick, Samalang, Mba, Charles-Magloire, De Barros, Inacio, Nkeng, Georges E., Enjalric, Frank, Ehabe, Ejolle Eugène, Schnug, Ewald.article bibliotecaCIRAD FR
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5Fertilization for sustainable plant production and soil fertility proceedings Fertilization for sustainable plant production and soil fertility proceedingspar Cleemput, O. van, Haneklaus, S., Hofman, Georges, Schnug, Ewald, Vermoesen, A., Universiteit Gent. Faculty of Agricultural and Applied Biological Sciences, International Scientific Centre of Fertilizers, International World Fertilizer Congress 7-13 Sept. 1997:
Publié 1997Texto bibliotecaUBA FA