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1Carbon fractions as sensitive indicators of quality of soil organic matter Carbon fractions as sensitive indicators of quality of soil organic matterby 45318 Ayarza, M.A., 133205 Zech, W., 131123 Westerhof, R., 128904 Vilela, L., 124241 Thomas, R., 45319 Ayarza, M.A. eds., Centro Internacional de Agronomía Tropical (CIAT) Cali, Colombia 5173
Published 1999bibliotecaIICA -
2Labile N and the nitrogen management index of oxisols in the Brazilian Cerrados Labile N and the nitrogen management index of oxisols in the Brazilian Cerradosby 45318 Ayarza, M.A., 133205 Zech, W., 131123 Westerhof, R., 128904 Vilela, L., 124241 Thomas, R., 45319 Ayarza, M.A. eds., Centro Internacional de Agronomía Tropical (CIAT) Cali, Colombia 5173
Published 1999bibliotecaIICA -
3by 45318 Ayarza, M.A., 133205 Zech, W., 131123 Westerhof, R., 128904 Vilela, L., 124241 Thomas, R., 45319 Ayarza, M.A. eds., Centro Internacional de Agronomía Tropical (CIAT) Cali, Colombia 5173
Published 1999bibliotecaIICA -
4Short-term variation in aggregation and particulate organic matter under crops and pastures Short-term variation in aggregation and particulate organic matter under crops and pasturesby 45318 Ayarza, M.A., 119079 Silva, J.E. da, 133205 Zech, W., 69039 Freibauer, A., 131123 Westerhof, R., 124241 Thomas, R., 45319 Ayarza, M.A. eds., Centro Internacional de Agronomía Tropical (CIAT) Cali, Colombia 5173
Published 1999bibliotecaIICA -
5Aggregation studied by laser diffraction in relation to plowing, soil organic matter, and lime in the Brazilian Cerrados Aggregation studied by laser diffraction in relation to plowing, soil organic matter, and lime in the Brazilian Cerradosby 73834 Griethuysen, C. van, 45318 Ayarza, M.A., 128904 Vilela, L., 133205 Zech, W., 131123 Westerhof, R., 52305 Buurman, P., 124241 Thomas, R., 45319 Ayarza, M.A. eds., Centro Internacional de Agronomía Tropical (CIAT) Cali, Colombia 5173
Published 1999bibliotecaIICA -
6Soil organic carbon, carbohydrates, amino sugars, and potentially mineralizable nitrogen under different land-use systems in oxisols of the Brazilian Cerrados Soil organic carbon, carbohydrates, amino sugars, and potentially mineralizable nitrogen under different land-use systems in oxisols of the Brazilian Cerradosby 131123 Westerhof, R., 45320 Ayarza, M.G., 119079 Silva, J.E. da, 133205 Zech, W., 69467 Fuhrmann, S., 99058 Neufeldt, H., 124241 Thomas, R., 45319 Ayarza, M.A. eds., Centro Internacional de Agronomía Tropical (CIAT) Cali, Colombia 5173
Published 1999bibliotecaIICA