Amézquita Collazos, Edgar ; Friesen, Dennis K ; Rivera Peña, Mariela...
Amezouita, Edgar; Friesen, Dennis; Rivera, Mariela; Rao, Idupulapati; Barrios ,Edmundo; Jimenez, Juan; Decaens, Thibaud; Thomas, Richard. 2002. Sustainability of crop rotation and ley pasture systems on the acid-soil savannas of South America [abstract]. In: 17th World Congress of Soil Science (14-21, August, 2002, Bangkok, Thailand). Bangkok, Thailand. P. 6..  , 2017

Basamba, T.A.A ; Amézquita Collazos, Edgar ; Singh, B.R.
Basamba, T.A.; Amézquita, E.; Singh, B.R.; Rao, I.M. 2006. Effects of tillage systems on soil physical properties, root distribution and maize yield on a Colombian acid-savanna Oxisol. Acta Agriculturae Scandinavica. 56:255-262..  , 2017

Castro, Aracely ; Rivera Peña, Mariela ; Ferreira, Oscar...
Castro, Aracely; Rivera, Mariela; Ferreira, Oscar; Pavon, Jellin; García, Edwin; Amezquita, Edgar; Ayarza, Miguel; Barrios, Edmundo; Rondon, Marco; Pauli, Natasha; Baltodano, Maria Eugenia; Mendoza, Bismark; Alvarez Welchez, Luis; Cook, Simon; Rubiano, Jorge; Johnson, Nancy; Rao, Idupulapati. 2008. Quesungual slash and mulch agroforestry system improves rain water productivity in hillside agroecosystems of the sub‐humid tropics. In: the international workshop on rainfed cropping systems (22‐25 SEPTEMBER 2008).proceeding. Tamale, Ghana. P. 89-97.  , 2017

Spain, James M ; Amézquita Collazos, Edgar ; Rao, Idupulapati M...
Spain, James; Amezquita, Edgar; Rao, Idupulapati M.; Ayarza, Miguel; Barrios, Edmundo; Rondon, Marco. 2007. Improving Productivity and Sustainability of Crop-Livestock Systems in Tropical Savannas of South America. Centro Internacional de Agricultura Tropical (CIAT), New orleans, Louisiana. 1 p. (Poster presented at ASA-CSSA-SSSA International Annual Meeting 2007, November 4-8, 2007, New Orleans, Louisiana.).  , 2017

Zhinping, Q ; Rao, Idupulapati M ; Ricaurte Oyola, José Jaumer...
Zhinping, Q.; Rao, ldupulapati; Ricaurte, Jaumer; Amezquita, Edgar; Sanz, José; Kerridge, Peter. 1998. Root Distribution Effects on Nutrient Uptake and Soil Erosion in Crop-Forage Systems on Andean Hillsides= Effet de la distribution des racines sur Ie prélèvement d'éléments nutritifs et sur l'érosion dans les systèmes fourrager andins [abstract]. In: the International Soil Science Congress (20-26, august, Montpellier, France) Montpellier, France. 302 p..  , 2017

Amézquita Collazos, Edgar ; Thomas, Richard J ; Rao, Idupulapati M..
Amézquita, E.; Thomas, R. J.; Rao, I.M.; Molina, D. L.; Hoyos, P. 2000. The influence of pastures on soil physical characteristics of an Oxisols in the Eastern Plaines (Llanos Orientales) of Colombia [abstract]. In: the International Symposium on "Soil functioning under pastures in intertropical areas (16-20, 2000, Brasilia, Brazil). Proceedings. Embrapa. Brasilia, Brazil. 1 p..  , 2017

Rivera Peña, Mariela ; Ferreira, Oscar ; Amézquita Collazos, Edgar..
Rivera, Mariela; Ferreira, Oscar; Amezquita, Edgar; Castro, Aracely; Rao, Idupulapati M. 2010. Potential of Quesungual agroforestry system as a land use management strategy to generate multiple ecosystem services from sub-humid tropical hillsides. In: 19th World Congress of Soil Science, Soil Solutions for a Changing World (8, 2010, Brisbane, Australia).proceeding. p. 75-78..  , 2017

Castro, Aracely ; Rivera Peña, Mariela ; Ferreira, Oscar...
Castro, Aracely; Rivera, Mariela; Ferreira, Oscar; Pavon, Jellin; García, Edwin; Amezquita, E.; Ayarza, M.; Barrios, Edmundo; Rondon, Marco; Pauli, Natasha; Baltodano, Maria Eugenia; Mendoza, Bismarck; Alvarez Welchez, Luis; Rubiano, J.; Cook, Simon; Rao, idupulapati. 2012. Ecosystem Services from Smallholder Agriculture through Slashand-Mulch Based Agroforestry on Hillsides of Central America [abstract]. In: Tropentag 2012 '' Resilience of agricultural systems against crises'' (19-21, September, 2012, Gottingen, Germany). Gottingen, Germany. P. 1-2..  , 2017

Ayarza, Miguel Angel ; Amézquita Collazos, Edgar ; Rao, Idupulapati M...
Ayarza, Miguel Angel; Amézquita Collazos, Edgar; Rao, Idupulapati Madhusudana; Barrios, Edmundo; Rondón, Marco Antonio; Rubiano Sanabria, Yolanda; Quintero, Marcela. 2007. Advances in improving agricultural profitability and overcoming land degradation in savanna and hillside agroecosystems of tropical America . In: Bationo, André; Waswa, Boaz S.; Kihara, Job; Kimetu, Joseph (eds.). Advances in integrated soil fertility management in Sub-Saharan Africa: Challenges and opportunities . Springer, Dordrecht, NL. p. 209-229..  , 2016

Amézquita Collazos, Edgar ; Rao, Idupulapati M ; Hoyos Garcés, Phanor...
Amézquita Collazos, Edgar; Rao, Idupulapati Madhusudana; Hoyos Garcés, Phanor; Molina López, Diego Luis; Chávez, Luis Fernando; Bernal Riobo, Jaime Humberto. 2007. Development of an arable layer: A key concept for better management of infertile tropical savanna soils . In: Bationo, André; Waswa, Boaz S.; Kihara, Job; Kimetu, Joseph (eds.). Advances in integrated soil fertility management in Sub-Saharan Africa: Challenges and opportunities . Springer, Dordrecht, NL. p. 99-104..  , 2016

Rivas Ríos, Libardo ; Hoyos Garcés, Phanor ; Amézquita Collazos, Edgar.
Rivas Ríos, Libardo; Hoyos Garcés, Phanor; Amézquita Collazos, Edgar; Molina López, Diego Luis. 2004. Manejo y uso de los suelos de la altillanura colombiana : Análisis económico de una estrategia para su conservación y mejoramiento: Construcción de la capa arable [en línea]. Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. 43 p..  , 2016

Barrios, Edmundo ; Cobo Borrero, Juan G ; Rao, Idupulapati M...
Barrios, Edmundo; Cobo Borrero, Juan Guillermo; Rao, Idupulapati Madhusudana; Thomas, Richard J.; Amézquita Collazos, Edgar; Jiménez Jaén, Juan José; Rondón, Marco Antonio. 2005. Fallow management for soil fertility recovery in tropical Andean agroecosystems in Colombia. Agriculture, Ecosystems and Environment (Netherlands) 110(1-2):29-42..  , 2016

Amede, Tilahun ; Amézquita Collazos, Edgar ; Ashby, J.A...
Amede, Tilahun; Amézquita Collazos, Edgar; Ashby, Jacqueline Anne; Ayarza, Miguel Angel; Barrios, Edmundo; Bationo, André; Beebe, Stephen E.; Bellotti, Anthony C.; Blair, Matthew W.; Delve, Robert J.; Fujisaka, Sam; Howeler, Reinhardt H.; Johnson, Nancy L.; Kaaria, Susan K.; Kelemu, Segenet; Kerridge, Peter C.; Kirkby, Roger Alexander; Lascano, Carlos E.; Lefroy, Rod; Mahuku, George S.; Murwira, Herbert K.; Oberthür, Thomas; Pachico, Douglas H.; Peters, Michael; Ramisch, Joshua J.; Rao, Idupulapati Madhusudana; Rondón, Marco Antonio; Sanginga, Pascal C.; Swift, M.; Vanlauwe, Bernard. 2003. Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics. In: Workshop on Biological Nitrogen Fixation for Increased Crop Productivity, Enhanced Human Health and Sustained Soil Fertility (2002, Montpellier, France). Papers presented. Institut National de Recherche Agronomique (INRA); Patancheru, IN: International Crops Research ....  , 2016