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Organically bound nutrients in soils of small water catchments under different forest and agroecosystems in Northern Thailand por Moller, A., Kaiser, K., Wilcke, W., Maglinao, Amado R., Kanchanakool, N., Jirasuktaveekul, W., Zech, W.

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Annual course of matric potential in differently used savanna oxisols in Brazil por Lilienfein, J, Wilcke, W., Ayarza, Miguel Angel, Lima, SC, Vilela, Lourival, Zech, W.

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Land use effects on labile N extracted with permanganate and the nitrogen management index in the Cerrado region of Brazil por Westerhof, R, Vilela, Lourival, Ayarza, Miguel Angel, Zech, W.

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Land-use effects on phosphorus fractions in cerrado oxisols por Neufeldt, Henry, Silva, J.E. da, Ayarza, Miguel Angel, Zech, W.

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Soil fertility under native cerrado and pasture in the Brazilian savanna por Lilienfein, J, Wilcke, W., Vilela, Lourival, Ayarza, Miguel Angel, Carmo Lima, S. do, Zech, W.

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Introduction: sustainable land management for the oxisols of the Brazilian cerrados por Neufeldt, Henry, Zech, W., Thomas, Richard J.

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Distribution of water-stable aggregates and aggregating agents in oxisols of the Brazilian cerrados por Neufeldt, Henry, Ayarza, Miguel Angel, Resck, DVS, Zech, W.

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Aggregation studied by laser diffraction in relation to plowing, soil organic matter, and lime in the Brazilian cerrados por Westerhof, R, Buurman, P, Griethuysen, C. van, Ayarza, Miguel Angel, Vilela, Lourival, Zech, W.

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Short-term variation in aggregation and particulate organic matter under crops and pastures por Freibauer, A., Westerhof, R, Ayarza, Miguel Angel, Silva, J.E. da, Zech, W.

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Soil organic matter in oxisols of the Brazilian cerrados por Neufeldt, Henry, Resck, DVS, Ayarza, Miguel Angel, Zech, W.

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Soil organic carbon, carbohydrates, amino sugars, and potentially mineralizable nitrogen under different land-use systems in oxisols of the Brazilian cerrados por Fuhrmann, S, Neudelft, H, Westerhof, R, Ayarza, Miguel Angel, Silva, J.E. da, Zech, W.

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Carbon fractions as sensitive indicators of quality of soil organic matter por Westerhof, R, Vilela, Lourival, Ayarza, Miguel Angel, Zech, W.

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Labile N and the nitrogen management index of oxisols in the Brazilian cerrados por Westerhof, R, Vilela, Lourival, Ayarza, Miguel Angel, Zech, W.

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Characterization labile and stable nitrogen por Westerhof, R, Vilela, Lourival, Ayarza, Miguel Angel, Zech, W.

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Phosphorus fractions under different land-use systems in oxisols of the Brazilian cerrados por Westerhof, R, Silva, J.E. da, Ayarza, Miguel Angel, Zech, W.

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Phosphorus pools in bulk soil and aggregates of differently textured oxisols under different land-use systems in the Brazilian cerrados por Lilienfein, J, Wilcke, W., Neufeldt, Henry, Ayarza, Miguel Angel, Zech, W.

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Acid monophosphatase: an indicator of phosphorus mineralization or of microbial activity? A case study from the Brazilian cerrados por Renz, TE, Neufeldt, Henry, Ayarza, Miguel Angel, Silva, J.E. da, Zech, W.

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Microbial biomass, microbial activity, and carbon pools under different land-use systems in the Brazilian cerrados por Renz, TE, Neufeldt, Henry, Ayarza, Miguel Angel, Resck, DVS, Zech, W.

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Materia orgánica del suelo contenida en las heces que produce una comunidad de lombrices anécico-endógea de un pastizal tropical, en Colombia por Guggenberger, G, Thomas, Richard J., Zech, W.

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Determinación, mediante la espectroscopìa de RMN con 31P, del nivel de fósforo orgánico de un oxisol, en pastizales del trópico derivados de la sabana nativa por Guggenberger, G, Haumaier, L, Thomas, Richard J., Zech, W.

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