Examinando por Autor "Zech, W."
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Ítem Acid monophosphatase: an indicator of phosphorus mineralization or of microbial activity? A case study from the Brazilian cerrados(International Center for Tropical Agriculture) Renz, TE; Neufeldt, Henry; Ayarza, Miguel Angel; Silva, J.E. da; Zech, W.Ítem Aggregation studied by laser diffraction in relation to plowing, soil organic matter, and lime in the Brazilian cerrados(International Center for Tropical Agriculture) Westerhof, R; Buurman, P; Griethuysen, C. van; Ayarza, Miguel Angel; Vilela, Lourival; Zech, W.Ítem Annual course of matric potential in differently used savanna oxisols in Brazil(Wiley) Lilienfein, J; Wilcke, W.; Ayarza, Miguel Angel; Lima, SC; Vilela, Lourival; Zech, W.Ítem Carbon fractions as sensitive indicators of quality of soil organic matter(International Center for Tropical Agriculture) Westerhof, R; Vilela, Lourival; Ayarza, Miguel Angel; Zech, W.Ítem Characterization labile and stable nitrogen(International Center for Tropical Agriculture) Westerhof, R; Vilela, Lourival; Ayarza, Miguel Angel; Zech, W.Ítem 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(International Center for Tropical Agriculture) Guggenberger, G; Haumaier, L; Thomas, Richard J.; Zech, W.Ítem Distribution of water-stable aggregates and aggregating agents in oxisols of the Brazilian cerrados(International Center for Tropical Agriculture) Neufeldt, Henry; Ayarza, Miguel Angel; Resck, DVS; Zech, W.Ítem Labile N and the nitrogen management index of oxisols in the Brazilian cerrados(International Center for Tropical Agriculture) Westerhof, R; Vilela, Lourival; Ayarza, Miguel Angel; Zech, W.Ítem Land use effects on labile N extracted with permanganate and the nitrogen management index in the Cerrado region of Brazil(Springer) Westerhof, R; Vilela, Lourival; Ayarza, Miguel Angel; Zech, W.Ítem Land-use effects on phosphorus fractions in cerrado oxisols(Springer) Neufeldt, Henry; Silva, J.E. da; Ayarza, Miguel Angel; Zech, W.Ítem Microbial biomass, microbial activity, and carbon pools under different land-use systems in the Brazilian cerrados(International Center for Tropical Agriculture) Renz, TE; Neufeldt, Henry; Ayarza, Miguel Angel; Resck, DVS; Zech, W.Ítem Organically bound nutrients in soils of small water catchments under different forest and agroecosystems in Northern ThailandMoller, A.; Kaiser, K.; Wilcke, W.; Maglinao, Amado R.; Kanchanakool, N.; Jirasuktaveekul, W.; Zech, W.Ítem Phosphorus pools in bulk soil and aggregates of differently textured oxisols under different land-use systems in the Brazilian cerrados(International Center for Tropical Agriculture) Lilienfein, J; Wilcke, W.; Neufeldt, Henry; Ayarza, Miguel Angel; Zech, W.Ítem Short-term variation in aggregation and particulate organic matter under crops and pastures(International Center for Tropical Agriculture) Freibauer, A.; Westerhof, R; Ayarza, Miguel Angel; Silva, J.E. da; Zech, W.Ítem Soil fertility under native cerrado and pasture in the Brazilian savannaLilienfein, J; Wilcke, W.; Vilela, Lourival; Ayarza, Miguel Angel; Carmo Lima, S. do; Zech, W.Ítem Soil organic matter in oxisols of the Brazilian cerrados(International Center for Tropical Agriculture) Neufeldt, Henry; Resck, DVS; Ayarza, Miguel Angel; Zech, W.