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Journal Article 2010

Nitrogen balances in farmers fields under alternative uses of a cover crop legume: a case study from Nicaragua

Autor: Douxchamps, Sabine Humbert, FL Hoek, Rein van der Mena Urbina, Martin A. Bernasconi, S Schmidt, A Rao, Idupulapati M. Frossard, Emmanuel Oberson, Astrid

Canavalia brasiliensis (canavalia), a drought tolerant legume, was introduced into the smallholder traditional crop-livestock production system of the Nicaraguan hillsides as green manure to improve soil fertility or as forage during the dry season for improving milk production. Since nitrogen (N...

Enlace original: https://cgspace.cgiar.org/handle/10568/43890

Investigación en Agricultura

CANAVALIA

DROUGHT RESISTANCE

NITROGEN FIXATION

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Douxchamps, Sabine , Humbert, FL , Hoek, Rein van der , Mena Urbina, Martin A. , Bernasconi, S , Schmidt, A , Rao, Idupulapati M. , Frossard, Emmanuel , Oberson, Astrid , [Nitrogen balances in farmers fields under alternative uses of a cover crop legume: a case study from Nicaragua] , Nitrogen balances in farmers fields under alternative uses of a cover crop legume: a case study from Nicaragua

Journal Article 2019-10-22

Nutrient flows and intensification options for smallholder farmers of the Lao uplands

Autor: Epper, Carole A. Paul, Birthe K. Burra, Dharani Dhar Phengsavanh, Phonepaseuth Ritzema, Randall S. Syfongxay, Saysompheng Groot, Jeroen C.J. Six, Johan Frossard, Emmanuel Oberson, Astrid Douxchamps, Sabine

Enlace original: https://cgspace.cgiar.org/handle/10568/105577

Investigación en Agricultura

FARMERS

BIOMASS

DIVERSIFICATION

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Epper, Carole A. , Paul, Birthe K. , Burra, Dharani Dhar , Phengsavanh, Phonepaseuth , Ritzema, Randall S. , Syfongxay, Saysompheng , Groot, Jeroen C.J. , Six, Johan , Frossard, Emmanuel , Oberson, Astrid , Douxchamps, Sabine , [Nutrient flows and intensification options for smallholder farmers of the Lao uplands] , Nutrient flows and intensification options for smallholder farmers of the Lao uplands

Journal Article 2014-10-13

Pasture degradation decreases organic P content of tropical soils due to soil structural decline

Autor: Nesper, Maike Bünemann, Else K. Fonte, Steven J. Rao, Idupulapati M. Velásquez, Jaime E. Ramírez, Bertha Hegglin, Django Frossard, Emmanuel Oberson, Astrid

Enlace original: https://cgspace.cgiar.org/handle/10568/51381

Investigación en Agricultura

PASTURES

SOIL

PHOSPHORUS

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Nesper, Maike , Bünemann, Else K. , Fonte, Steven J. , Rao, Idupulapati M. , Velásquez, Jaime E. , Ramírez, Bertha , Hegglin, Django , Frossard, Emmanuel , Oberson, Astrid , [Pasture degradation decreases organic P content of tropical soils due to soil structural decline] , Pasture degradation decreases organic P content of tropical soils due to soil structural decline

Journal Article 2014

Farm-scale tradeoffs between legume use as forage versus green manure: the case of Canavalia Brasiliensis

Autor: Douxchamps, Sabine Rao, Idupulapati M. Peters, Michael Hoek, Rein van der Schmidt, A Martens, S Polanía Perdomo, José A. Mena Urbina, Martin A. Binder, Claudia R. Scholl, R Quintero, M. Kreuzer, M. Frossard, Emmanuel Oberson, Astrid

Enlace original: https://cgspace.cgiar.org/handle/10568/42160

Investigación en Agricultura

SOIL FERTILITY

SOCIOECONOMIC ENVIRONMENT

SMALLHOLDERS

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Douxchamps, Sabine , Rao, Idupulapati M. , Peters, Michael , Hoek, Rein van der , Schmidt, A , Martens, S , Polanía Perdomo, José A. , Mena Urbina, Martin A. , Binder, Claudia R. , Scholl, R , Quintero, M. , Kreuzer, M. , Frossard, Emmanuel , Oberson, Astrid , [Farm-scale tradeoffs between legume use as forage versus green manure: the case of Canavalia Brasiliensis] , Farm-scale tradeoffs between legume use as forage versus green manure: the case of Canavalia Brasiliensis

Journal Article 2014-01-15

Pasture degradation impacts soil phosphorus storage via changes to aggregate-associated soil organic matter in highly weathered tropical soils

Autor: Fonte, Steven J. Nesper, Maike Hegglin, Django Velásquez, Jaime E. Ramírez, Bertha Rao, Idupulapati M. Bernasconi, Stefano M. Bünemann, Else K. Frossard, Emmanuel Oberson, Astrid

Enlace original: https://cgspace.cgiar.org/handle/10568/42153

Investigación en Agricultura

PASTURES

LAND DEGRADATION

PHOSPHORUS

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Fonte, Steven J. , Nesper, Maike , Hegglin, Django , Velásquez, Jaime E. , Ramírez, Bertha , Rao, Idupulapati M. , Bernasconi, Stefano M. , Bünemann, Else K. , Frossard, Emmanuel , Oberson, Astrid , [Pasture degradation impacts soil phosphorus storage via changes to aggregate-associated soil organic matter in highly weathered tropical soils] , Pasture degradation impacts soil phosphorus storage via changes to aggregate-associated soil organic matter in highly weathered tropical soils

Journal Article 2004

Microbial community composition and substrate use in a highly weathered soil as affected by crop rotation and P fertilization

Autor: Bunemann, E.K. Bossio, Deborah A. Smithson, P.C. Frossard, Emmanuel Oberson, Astrid

Enlace original: https://cgspace.cgiar.org/handle/10568/41060

Investigación en Agricultura

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Bunemann, E.K. , Bossio, Deborah A. , Smithson, P.C. , Frossard, Emmanuel , Oberson, Astrid , [Microbial community composition and substrate use in a highly weathered soil as affected by crop rotation and P fertilization] , Microbial community composition and substrate use in a highly weathered soil as affected by crop rotation and P fertilization

Journal Article 2011

Nitrogen recoveries from organic amendments in crop and soil assessed by isotope techniques under tropical field conditions

Autor: Douxchamps, Sabine Frossard, Emmanuel Bernasconi, S Hoek, Rein van der Schmidt, A Rao, Idupulapati M. Oberson, Astrid

The integration of multipurpose legumes into low-input tropical agricultural systems is needed because they are a nitrogen (N) input through symbiotic fixation. The drought-tolerant cover legume canavalia (Canavalia brasiliensis) has been introduced for use either as forage or as a green manure i...

Enlace original: https://cgspace.cgiar.org/handle/10568/43894

Investigación en Agricultura

CANAVALIA

NITROGEN FIXATION

FEED CROPS

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Douxchamps, Sabine , Frossard, Emmanuel , Bernasconi, S , Hoek, Rein van der , Schmidt, A , Rao, Idupulapati M. , Oberson, Astrid , [Nitrogen recoveries from organic amendments in crop and soil assessed by isotope techniques under tropical field conditions] , Nitrogen recoveries from organic amendments in crop and soil assessed by isotope techniques under tropical field conditions

Journal Article 2001

Phosphorus transformations in an oxisol under contrasting land-use systems: The role of the soil microbial biomass

Autor: Oberson, Astrid Friesen, Dennis K. Rao, Idupulapati M. Buhler, S Frossard, Emmanuel

It is generally assumed that phosphorus (P) availability for plant growth on highly weathered and P-deficient tropical soils may depend more on biologically mediated organic P (Po) turnover processes than on the release of adsorbed inorganic P (Pi). However, experimental evidence showing the link...

Enlace original: https://cgspace.cgiar.org/handle/10568/43949

Investigación en Agricultura

SOIL DEFICIENCIES

PHOSPHORUS

SOIL BIOLOGY

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Oberson, Astrid , Friesen, Dennis K. , Rao, Idupulapati M. , Buhler, S , Frossard, Emmanuel , [Phosphorus transformations in an oxisol under contrasting land-use systems: The role of the soil microbial biomass] , Phosphorus transformations in an oxisol under contrasting land-use systems: The role of the soil microbial biomass

Journal Article 2002

Sequential phosphorus extraction of a 33P-labeled oxisol under contrasting agricultural systems

Autor: Buehler, S. Oberson, Astrid Rao, Idupulapati M. Friesen, Dennis K. Frossard, Emmanuel

Chemical sequential extraction is widely used to divide soil phosphorus (P) into different inorganic (Pi) and organic (Po) fractions, but the assignment of these fractions to pools of differing plant availability, especially for low P tropical soils, is still matter of discussion. To improve this...

Enlace original: https://cgspace.cgiar.org/handle/10568/44090

Investigación en Agricultura

ACID SOILS

PHOSPHORUS

SOIL CHEMICOPHYSICAL PROPERTIES

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Buehler, S. , Oberson, Astrid , Rao, Idupulapati M. , Friesen, Dennis K. , Frossard, Emmanuel , [Sequential phosphorus extraction of a 33P-labeled oxisol under contrasting agricultural systems] , Sequential phosphorus extraction of a 33P-labeled oxisol under contrasting agricultural systems

Journal Article 2012-12-30

Identifying factors limiting legume biomass production in a heterogeneous on-farm environment

Autor: Douxchamps, Sabine Frossard, Emmanuel Uehlinger, N. Rao, Idupulapati M. Hoek, Rein van der Mena Urbina, Martin A. Schmidt, A Oberson, Astrid

Multipurpose legumes provide a wide range of benefits to smallholder production systems in the tropics. The degree of system improvement after legume introduction depends largely on legume biomass production, which in turn depends on the legumes’ adaptation to environmental conditions. For Canava...

Enlace original: https://cgspace.cgiar.org/handle/10568/33527

Investigación en Agricultura

FORAGE

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Douxchamps, Sabine , Frossard, Emmanuel , Uehlinger, N. , Rao, Idupulapati M. , Hoek, Rein van der , Mena Urbina, Martin A. , Schmidt, A , Oberson, Astrid , [Identifying factors limiting legume biomass production in a heterogeneous on-farm environment] , Identifying factors limiting legume biomass production in a heterogeneous on-farm environment

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