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Drought is a major constraint to common bean (Phaseolus vulgaris L.) production, especially in developing countries where irrigation for the crop is infrequent. The Mesoamerican genepool is the most widely grown subdivision of common beans that include small red, small cream and black seeded vari...


Blair, Matthew W.Galeano, CarlosTovar, EduardoMuñoz Torres, Mónica CeciliaVelasco, AlejandroBeebe, Stephen E.Rao, Idupulapati M.[Development of a Mesoamerican intra-genepool genetic map for QTL detection in a drought tolerant x susceptible common bean (Phaseolus vulgaris L.) cross]Development of a Mesoamerican intra-genepool genetic map for QTL detection in a drought tolerant x susceptible common bean (Phaseolus vulgaris L.) cross

Background: Agriculture is the single largest geo-engineering initiative that humans have initiated on planet Earth, largely through the introduction of unprecedented amounts of reactive nitrogen (N) into ecosystems. A major portion of this reactive N applied as fertilizer leaks into the environm...


Subbaraoa, Guntur V.Sahrawat, Kanwar LalNakahara, K.Rao, Idupulapati M.Ishitani, ManabuHash, C.T.Kishi, M.Bonnett, D.Berry, W.Lata, Jean-Christophe[A paradigm shift towards low-nitrifying systems: The role of biological nitrification inhibition (BNI)]A paradigm shift towards low-nitrifying systems: The role of biological nitrification inhibition (BNI)

Nitrogen (N), being the most critical and essential nutrient for plant growth, largely determines the productivity in both extensive- and intensive- grassland systems. Nitrification and denitrification processes in the soil are the primary drivers generating reactive-N: NO3-, N2O, and NO, and is ...


Subbaraoa, Guntur V.Rao, Idupulapati M.Nakahara, K.Ando, YasuoSahrawat, Kanwar LalTsefamarium TLata, Jean-ChristopheBoudsocq, S.Miles, John W.Ishitani, ManabuPeters, Michael[Nitrogen management in grasslands and forage-based production systems – Role of biological nitrification inhibition (BNI)]Nitrogen management in grasslands and forage-based production systems – Role of biological nitrification inhibition (BNI)

Background and Aims: The forage grass Brachiaria humidicola (Bh) has been shown to reduce soil microbial nitrification. However, it is not known if biological nitrification inhibition (BNI) also has an effect on nitrogen (N) cycling during cultivation of subsequent crops. Therefore, the objective...


Karwat, HannesMoreta, DaniloArango, JacoboNúñez, JonathanRao, Idupulapati M.Rincón, ÁlvaroRasche, FrankCadisch, Georg[Residual effect of BNI by Brachiaria humidicola pasture on nitrogen recovery and grain yield of subsequent maize]Residual effect of BNI by Brachiaria humidicola pasture on nitrogen recovery and grain yield of subsequent maize

Forage-based livestock production plays a key role in national and regional economies, for food security and poverty alleviation. Livestock production is also considered as a major contributor to agricultural GHG emissions, however. While demand for livestock products is predicted to continue to ...


Peters, MichaelHerrero, Mario T.Fisher, M.Erb, KarlheinzRao, Idupulapati M.Subbaraoa, Guntur V.Castro, A.Arango, JacoboChara, J.Murgueitio, E.Hoek, Rein van derLäderach, PeterHyman, GlennTapasco, JeimarStrassburg, B.Paul, Birthe K.Rincón, A.Schultze-Kraft, RainerFonte, Steven J.Searchinger, T.[Challenges and opportunities for improving eco-efficiency of tropical forage-based systems to mitigate greenhouse gas emissions]Challenges and opportunities for improving eco-efficiency of tropical forage-based systems to mitigate greenhouse gas emissions

Rao, Idupulapati M.Ishitani, ManabuMiles, John W.Peters, MichaelTohme, Joseph M.Arango, JacoboMoreta, D.E.López, H.Castro, A.Hoek, Rein van derMartens, S.Hyman, GlennTapasco, JeimarDuitama, J.Suarez, H.Borrero, GonzaloNunez, J.Hartmann, K.Domínguez, M.Sotelo, M.Vergara, D.Lavelle, Patrick M.Subbaraoa, Guntur V.Rincón, A.Plazas, C.Mendoza, R.Rathjen, L.Cadisc, G.[Climate-smart crop-livestock systems for smallholders in the tropics: Integration of new forage hybrids to intensify agriculture and to mitigate climate change through regulation of nitrification in soil]Climate-smart crop-livestock systems for smallholders in the tropics: Integration of new forage hybrids to intensify agriculture and to mitigate climate change through regulation of nitrification in soil

The presentation addresses the influence that cultivation of forage can have on the accumulation of carbon in pasture soils. Presentation given by Jacobo Arango at COP 23 in Bonn, Germany on 12 November 2017.


Arango, JacoboFisher, Myles J.Castro, AracelyCardoso Arango, Juan AndrésHyman, GlennChirinda, NgonidzasheSilva, Mayesse A. daLascano, Carlos E.Miles, John W.Peters, MichaelTohme, Joseph M.Rao, Idupulapati M.[Forage Cultivation Influence in Soil Carbon Accumulation]Forage Cultivation Influence in Soil Carbon Accumulation
Moreta, D.E.Arango, JacoboSotelo, M.Vergara, D.Rincón, A.Ishitani, ManabuCastro, A.Miles, John W.Peters, MichaelTohme, Joseph M.Subbaraoa, Guntur V.Cadisch, GeorgRao, Idupulapati M.[Using biological nitrification inhibition as a strategy to improve nitrogen recovery and nitrogen use efficiency of agricultural systems and to mitigate climate change]Using biological nitrification inhibition as a strategy to improve nitrogen recovery and nitrogen use efficiency of agricultural systems and to mitigate climate change

Poor drainage is found on about 11.3% of agricultural land in Latin America where physiography promotes flooding, high groundwater tables, or stagnant surface water (waterlogging). Waterlogging drastically reduces oxygen diffusion into the soil causing hypoxia which is the main limitation that re...


Cardoso Arango, Juan AndrésJiménez, JuanRincón, Joisse DayanaGuevara, Edward D.Hoek, Rein van derJarvis, AndyPeters, MichaelMiles, John W.Ayarza, Miguel AngelCajas, SocorroRincón, ÁlvaroMateus, HenryQuiceno, JaimeBarragán, WilsonLascano, Carlos E.Argel M., Pedro J.Mena Urbina, Martin A.Hertentains, LuisRao, Idupulapati M.[Advances in improving tolerance to waterlogging in Brachiaria grasses]Advances in improving tolerance to waterlogging in Brachiaria grasses

The intense debate over agricultural biotechnology is at once fascinating, confusing and disappointing. It is complicated by issues of ethical, moral, socio-economic, political, philosophical and scientific import. Its vocal champions exaggerate their claims of biotechnology as saviour of the poo...


Kelemu, SegenetMahuku, George S.Fregene, Martin A.Pachico, Douglas H.Johnson, Nancy L.Calvert, Lee A.Rao, Idupulapati M.Buruchara, Robin A.Amede, TilahunKimani, P.M.Kirkby, Roger A.Kaaria, Susan K.Ampofo, James Kwasi O.[Harmonizing the agricultural biotechnology debate for the benefit of African farmers]Harmonizing the agricultural biotechnology debate for the benefit of African farmers

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