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the Quesungual Slash and Mulch Agroforestry System (QSMAS) on the dynamics of soil nitrogen (N) and phosphorus (P), and their impact on QSMAS’ productivity in southwestern Honduras, Central America. Five land use systems were compared: (l) Slash-and-burn traditional system; (2, 3 and 4) QSMAS of ...


Castro, AracelyMenjívar, Juan CarlosBarrios, EdmundoAsakawa, NeuzaBorrero, GonzaloGarcía, EdwinRao, Idupulapati M.[Dinámica del nitrógeno y el fósforo del suelo bajo tres sistemas de uso de la tierra en laderas de Honduras]Dinámica del nitrógeno y el fósforo del suelo bajo tres sistemas de uso de la tierra en laderas de Honduras

Common bean (Phaseolus vulgaris L.) is the most important food legume in the diet of poor people in the tropics. Drought causes severe yield loss in this crop. Identification of traits associated with drought resistance contributes to improving the process of generating bean genotypes adapted to ...


Polanía Perdomo, José A.Poschenrieder, CharlotteBeebe, Stephen E.Rao, Idupulapati M.[Effective use of water and increased dry matter partitioned to grain contribute to yield of common bean improved for drought resistance]Effective use of water and increased dry matter partitioned to grain contribute to yield of common bean improved for drought resistance
Rao, Idupulapati M.Beebe, Stephen E.Polanía Perdomo, José A.Grajales, Miguel A.Cajiao V., César HernandoRicaurte Oyola, José Jaumer[Evidence for genotypic differences among elite lines of common bean in the ability to remobilize photosynthate to increase yield under drought]Evidence for genotypic differences among elite lines of common bean in the ability to remobilize photosynthate to increase yield under drought

Se evaluaron en invernadero en un suelo de Matazul, Meta, Colombia durante 6 semanas, 2 genotipos de Brachiaria (uno mejor adaptado a bajo P, B. decumbens y otro menos adaptado, B. ruziziensis) y 8 progenies del cruzamiento entre ellos ( mejores adaptados: H-7, H-40, H-28, H-58; menos adaptados: ...


Mejia Kerguelen, SRao, Idupulapati M.Ramírez, H.Louw-Gaume, AGaume, AFrossard, Emmanuel[Atributos morfológicos y fisiológicos de genotipos de Brachiaria en un suelo con bajo fósforo disponible y alta saturación de aluminio = Morphologic and physiological attributes of Brachiaria genotypes in soil with low available phosphorus and high aluminum saturation]Atributos morfológicos y fisiológicos de genotipos de Brachiaria en un suelo con bajo fósforo disponible y alta saturación de aluminio = Morphologic and physiological attributes of Brachiaria genotypes in soil with low available phosphorus and high aluminum saturation
Polanía Perdomo, José A.Rao, Idupulapati M.Cajiao V., César HernandoRivera, MarielaRaatz, BodoBeebe, Stephen E.[Physiological traits associated with drought resistance in Andean and Mesoamerican genotypes of common bean (Phaseolus vulgaris L.)]Physiological traits associated with drought resistance in Andean and Mesoamerican genotypes of common bean (Phaseolus vulgaris L.)

Terminal drought is a worldwide constraint to common bean production and its negative effects will be increased by climate change. The objective of this research was to characterize phenotypically advanced lines and commercial cultivars of common bean for their resistance to terminal drought stre...


Chaves-Barrantes, Néstor FelipePolanía Perdomo, José A.Muñoz Perea, Carlos GermánRao, Idupulapati M.Beebe, Stephen E.[Caracterización fenotípica por resistencia a sequía terminal de germoplasma de frijol común = Phenotypic characterization of common bean germplasm for resistance to terminal drought]Caracterización fenotípica por resistencia a sequía terminal de germoplasma de frijol común = Phenotypic characterization of common bean germplasm for resistance to terminal drought
Phiri, S.Rao, Idupulapati M.Barrios, EdmundoSingh, B.R.[Plant growth, mycorrhizal association, nutrient uptake and phosphorus dynamics in a volcanic-ash soil in Colombia as affected by the establishment of Tithonia diversifolia]Plant growth, mycorrhizal association, nutrient uptake and phosphorus dynamics in a volcanic-ash soil in Colombia as affected by the establishment of Tithonia diversifolia
Rao, Idupulapati M.Borrero, V.Ricaurte Oyola, José JaumerGarcía, RamiroAyarza, Miguel Angel[Adaptive attributes of tropical forage species to acid soils. II. Differences in shoot and root growth responses to varying phosphorus supply and soil type]Adaptive attributes of tropical forage species to acid soils. II. Differences in shoot and root growth responses to varying phosphorus supply and soil type

Low phosphorus (P) supply is a major limitation to pasture establishment and production in highly weathered acid soils. Previous research showed that the forage legume, Arachis pintoi, was more efficient in acquiring P from infertile acid soils than the forage grass, Brachiaria dictyoneura. The m...


Rao, Idupulapati M.Borrero, V.Ricaurte Oyola, José JaumerGarcía, Ramiro[Adaptive attributes of tropical forage species to acid soils. V. Differences in phosphorus acquisition from less available inorganic and organic sources of phosphate]Adaptive attributes of tropical forage species to acid soils. V. Differences in phosphorus acquisition from less available inorganic and organic sources of phosphate
Fenta, Berhanu AmsaluBeebe, Stephen E.Rao, Idupulapati M.Kunert, Karl J.[Association of nodule performance traits with shoot performance traits of common bean under drought stress]Association of nodule performance traits with shoot performance traits of common bean under drought stress

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