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2Texto bibliotecaIICA
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4Farming for the future : an introduction to low-external-input and sustainable agriculture Farming for the future : an introduction to low-external-input and sustainable agricultureby 109784 Reijntjes, C., 76501 Haverkort, B., 130687 Waters-Bayer, A., 10868 Information Centre for Low-External -Input and Sustainable Agriculture, Leusden (Países Bajos)
Published 1992bibliotecaIICA -
5High potential hillsides soil conservation and recuperation in Meso-America High potential hillsides soil conservation and recuperation in Meso-Americaby 94413 Minderhoud-Jones, M., 84407 Laban, P., 51878 Bunch, R., 109784 Reijntjes, C., 4428 Centre for Information on Low-External-Input and Sustainable Agriculture, Leusden (Países Bajos)
Published 1998bibliotecaIICA