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Planted tree or shrub fallows can help increase the fertility of degraded tropical soils. We investigated the effects of planted fallows of Indigofera (IND), Calliandra (CAL), and Tithonia (TTH); a natural, unmanaged fallow (NAT); and a maize/bean rotation (ROT) on the dynamics and partitioning o...


Phiri, SBarrios, E.Rao, Idupulapati M.Singh, B.R.[Changes in soil organic matter and phosphorus fractions under planted fallows and a crop rotation system on a Colombian volcanic-ash soil]Changes in soil organic matter and phosphorus fractions under planted fallows and a crop rotation system on a Colombian volcanic-ash soil
Barrios, EdmundoCobo Borrero, Juan G.Rao, Idupulapati M.Thomas, Richard J.Amézquita Collazos, EdgarJiménez Jaén, Juan JoséRondón, Marco Antonio[Fallow management for soil fertility recovery in tropical Andean agroecosystems in Colombia]Fallow management for soil fertility recovery in tropical Andean agroecosystems in Colombia

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

Aluminum toxicity limits plant growth in acid soils. Because of their advanced state of weathering, acid soils of the tropics also tend to be deficient in nutrients. A realistic assessment of plant adaptation to these soils would therefore require Al-toxic conditions under which growth is simulta...


Wenzl, PeterMancilla, LIMayer, Jorge EdgardAlbert, R.Rao, Idupulapati M.[Simulating infertile acid soils with nutrient solutions: The effects on Brachiaria species]Simulating infertile acid soils with nutrient solutions: The effects on Brachiaria species
Beebe, Stephen E.Rao, Idupulapati M.[Breeding for tolerance to low soil phosphorus: the example of common bean]Breeding for tolerance to low soil phosphorus: the example of common bean
Fisher, Myles J.Rao, Idupulapati M.Thomas, Richard J.Lascano, Carlos E.[Grasslands in the well-watered tropical lowlands]Grasslands in the well-watered tropical lowlands
Amede, TilahunAmézquita Collazos, EdgarAshby, J.A.Ayarza, Miguel AngelBarrios, EdmundoBationo, B. AndréBeebe, Stephen E.Bellotti, Anthony C.Blair, Matthew W.Delve, Robert J.Fujisaka, SamHoweler, Reinhardt H.Johnson, Nancy L.Kaaria, Susan K.Kelemu, SegenetKerridge, Peter C.Kirkby, Roger A.Lascano, Carlos E.Lefroy, R.D.B.Mahuku, George S.Murwira, Herbert K.Oberthür, ThomasPachico, Douglas H.Peters, MichaelRamisch, Joshua J.Rao, Idupulapati M.Rondón, Marco AntonioSanginga, Pascal C.Swift, M.Vanlauwe, Bernard[Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics]Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics
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
Subbaraoa, Guntur V.Yoshihashi, TadashiWorthington, MargaretNakahara, KazuhikoAndo, YasuoSahrawat, Kanwar LalRao, Idupulapati M.Lata, Jean-ChristopheKishii, MasahiroBraune, Hans-Joachim[Suppression of soil nitrification by plants]Suppression of soil nitrification by plants

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