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International Center for Tropical Agriculture[Biophysical and socioeconomic processes understood, principles and concepts developed for protecting and improving the health and fertility of soils: Output 1]Biophysical and socioeconomic processes understood, principles and concepts developed for protecting and improving the health and fertility of soils: Output 1

Sylvester-Bradley, RosemarySouto, Sebastiao ManhaesDate, R.A.[Biología de la rizosfera y fijación del nitrógeno en Centrosema]Biología de la rizosfera y fijación del nitrógeno en Centrosema

In the Brazilian savannas, or Cerrados the rapid advance in agriculture and cattle ranching is affecting soils through, for example, accelerated erosion and depletion of soil organic matter (SOM). Changes in soil microbial biomass are good indicators of changes in SOM. We therefore assessed the e...


Renz, TENeufeldt, HenryAyarza, Miguel AngelResck, DVSZech, W.[Microbial biomass, microbial activity, and carbon pools under different land-use systems in the Brazilian cerrados]Microbial biomass, microbial activity, and carbon pools under different land-use systems in the Brazilian cerrados
Jiménez Jaén, J.J.Decaëns, ThibaudThomas, Richard J.Lavelle, Patrick M.[Soil macrofauna: an available but little-known natural resources]Soil macrofauna: an available but little-known natural resources
Singh, Bal RamRao, Idupulapati M.Barrios, EdmundoAmézquita Collazos, Edgar[Potential of tillage, agropastoral, and planted fallow systems in low-fertility tropical soils in Latin America]Potential of tillage, agropastoral, and planted fallow systems in low-fertility tropical soils in Latin America

Plant production in the Brazilian savannas, also known as the Cerrados, is limited mainly by low P availability. In tropical soils, rich in sesquioxides, P supply of plants depends heavily on the transformation of organic P by phosphatase enzymes into HPO 4 2- and H 2 PO 4-. We examined two Oxiso...


Renz, TENeufeldt, HenryAyarza, Miguel AngelSilva, J.E. daZech, W.[Acid monophosphatase: an indicator of phosphorus mineralization or of microbial activity? A case study from the Brazilian cerrados]Acid monophosphatase: an indicator of phosphorus mineralization or of microbial activity? A case study from the Brazilian cerrados
International Center for Tropical Agriculture[Biophysical and socioeconomic processes understood, principles, concepts and methods developed for protecting and improving the health and fertility of soils: Output 1]Biophysical and socioeconomic processes understood, principles, concepts and methods developed for protecting and improving the health and fertility of soils: Output 1

Belowground (BG) plant resource allocation, including roots and rhizodeposition, is a major source of soil organic matter. Knowledge on the amounts and turnover of BG carbon (C), nitrogen (N), and phosphorus (P) in soil is critical to the understanding of how these elements cycle in soil-plant sy...


Stevenel, PierreFrossard, EmmanuelAbiven, S.Rao, Idupulapati M.Tamburini, F.Oberson, A.[Using a Tri-Isotope (13C, 15N, 33P) Labelling Method to Quantify Rhizodeposition]Using a Tri-Isotope (13C, 15N, 33P) Labelling Method to Quantify Rhizodeposition
Oberson, AstridBünemann, Else K.Friesen, Dennis K.Rao, Idupulapati M.Smithson, P.C.Turner, B.L.Frossard, Emmanuel[Improving phosphorus fertility in tropical soils through biological interventions]Improving phosphorus fertility in tropical soils through biological interventions
International Center for Tropical Agriculture[Evaluating the impact of biotechnology on biodiversity: effect of transgenic maize on non-target soil organisms]Evaluating the impact of biotechnology on biodiversity: effect of transgenic maize on non-target soil organisms

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