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Low nutrient availability, especially phosphorus (P) and nitrogen (N) supply is the major limitation to forage production in acid infertile soils of the tropics. A field study was conducted at the farm ‘La Es- peranza’ located in Mondomo, Department of Cauca, in the coffee growing zone of Colombia...


Gómez Carabali, ARao, Idupulapati M.Ricaurte, Jaumer[Differences in root distribution, nutrient acquisition and nutrient utilization by tropical forage species grown in degraded hillside soil conditions]Differences in root distribution, nutrient acquisition and nutrient utilization by tropical forage species grown in degraded hillside soil conditions

Kahlea, RobertCadisch, GeorgRao, Idupulapati M.[Responses of Different Tropical Forage Legumes under Stress Factors of Acid Soil and Drought]Responses of Different Tropical Forage Legumes under Stress Factors of Acid Soil and Drought

Many tropical forage grasses and legumes grow well in acid soils, adapting to excess aluminum (Al) and phosphorus (P) starvation stresses by using mechanisms that are still unclear. To determine these mechanisms, responses to Al toxicity and P starvation in three tropical forages were studied: tw...


Watanabe, ToshihiroOsaki, MitsuruYano, HiromiRao, Idupulapati M.[Internal mechanisms of plant adaptation to aluminum toxicity and phosphorus starvation in three tropical forages]Internal mechanisms of plant adaptation to aluminum toxicity and phosphorus starvation in three tropical forages
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
Fisher, Myles J.Rao, Idupulapati M.Ayarza, Miguel AngelLascano, Carlos E.Sanz Scovino, José IgnacioThomas, Richard J.Vera, Raúl R.[Carbon storage by introduced deep-rooted grasses in the South American savannas]Carbon storage by introduced deep-rooted grasses in the South American savannas
Rao, Idupulapati M.Ayarza, Miguel AngelThomas, Richard J.Fisher, Myles J.Lascano, Carlos E.Borrero, V.[Adaptation responses of tropical grass-legume associations to acid soils]Adaptation responses of tropical grass-legume associations to acid soils
Ayarza, Miguel AngelRao, Idupulapati M.Thomas, Richard J.Lascano, Carlos E.Herrera, P.[Standing root biomass and root distribution in Brachiaria decumbens-Arachis pintoi pastures under grazing]Standing root biomass and root distribution in Brachiaria decumbens-Arachis pintoi pastures under grazing
Guimaraes, Elcio PerpétuoSanz Scovino, José IgnacioRao, Idupulapati M.Amézquita, María CristinaAmézquita Collazos, EdgarThomas, Richard J.[Agropastoral systems for the tropical savannas of Latin America]Agropastoral systems for the tropical savannas of Latin America
Gómez Carabali, ARao, Idupulapati M.Beck, R.F.Ortiz, M.[Adaptación de una gramínea (C4) y dos leguminosas (C3) forrajeras a un andisol ácido degradado de Colombia]Adaptación de una gramínea (C4) y dos leguminosas (C3) forrajeras a un andisol ácido degradado de Colombia

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