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A study was conducted to identify the most productive cultivars and their cutting management to optimize nutrient productivity in semi-arid areas of Rwanda. Four cultivars of Brachiaria brizantha (Piatá, MG4, Marandú and Xaraes), two cultivars of Brachiaria humidicola (Llanero and Humidicola), tw...


Mutimura, MupenziEbong, CyprianRao, Idupulapati M.Nsahlai, Ignatius V.[Effect of cutting time on agronomic and nutritional characteristics of nine commercial cultivars of Brachiaria grass compared with Napier grass during establishment under semi-arid conditions in Rwanda]Effect of cutting time on agronomic and nutritional characteristics of nine commercial cultivars of Brachiaria grass compared with Napier grass during establishment under semi-arid conditions in Rwanda

Peters, MichaelRao, Idupulapati M.Fisher, Myles J.Subbaraoa, Guntur V.Martens, SHerrero, G.Tiemann, Tassilo T.Ayarza, Miguel AngelHyman, Glenn[Tropical forage-based systems to mitigate greenhouse gas emissions]Tropical forage-based systems to mitigate greenhouse gas emissions

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...


Oberson, AstridFriesen, Dennis K.Rao, Idupulapati M.Buhler, SFrossard, 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

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...


Buehler, S.Oberson, AstridRao, 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
Ayarza, Miguel AngelAmézquita Collazos, EdgarRao, Idupulapati M.Barrios, EdmundoRondón, Marco AntonioRubiano Sanabria, YolandaQuintero, Marcela[Advances in improving agricultural profitability and overcoming land degradation in savanna and hillside agroecosystems of tropical America]Advances in improving agricultural profitability and overcoming land degradation in savanna and hillside agroecosystems of tropical America

Hyman, GlennCastro, A.Rao, Idupulapati M.Peters, MichaelLoboguerrero Rodriguez, Ana MaríaRivera, O.Castaño, S.[Climate change mitigation and agricultural development scenarios for the high plains of Eastern Colombia]Climate change mitigation and agricultural development scenarios for the high plains of Eastern Colombia

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