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Holmann, Federico J. ,  Rivas Ríos, Libardo ,  Argel M., Pedro J. ,  Pérez, E. ,  [Impact of the adoption of Brachiaria grasses: Central America and Mexico] ,  Impact of the adoption of Brachiaria grasses: Central America and Mexico

Holmann, Federico J. ,  Rivas Ríos, Libardo ,  Pe´rez, E. ,  Castro, C. ,  Schuetz, P. ,  Rodríguez, J. ,  [The beef chain in Costa Rica: Identifying critical issues for promoting its modernization, efficiency, and competitiveness] ,  The beef chain in Costa Rica: Identifying critical issues for promoting its modernization, efficiency, and competitiveness

Holmann, Federico J. ,  Argel M., Pedro J. ,  Rivas Ríos, Libardo ,  White, D. ,  Estrada, R.D. ,  Burgos, C. ,  Pérez, E. ,  Ramírez, G. ,  Medina, A. ,  [Is it worth to recuperate degraded pasturelands? An evaluation of profits and costs from the perspective of livestock producers and extension agents in Honduras] ,  Is it worth to recuperate degraded pasturelands? An evaluation of profits and costs from the perspective of livestock producers and extension agents in Honduras

Rivas Ríos, Libardo ,  Holmann, Federico J. ,  [Potential economic impact from the adoption of new Brachiaria hybrids resistant to spittlebugs in livestock systems of Colombia, Mexico and Central America] ,  Potential economic impact from the adoption of new Brachiaria hybrids resistant to spittlebugs in livestock systems of Colombia, Mexico and Central America

Holmann, Federico J. ,  Tiemann, Tassilo T. ,  [Simulation of costs and benefits of supplementing milking cows with legumes during the dry season in two hillside regions of Nicaragua] ,  Simulation of costs and benefits of supplementing milking cows with legumes during the dry season in two hillside regions of Nicaragua

Duarte, O.J. ,  Palido, J. ,  Silva, J. ,  Holmann, Federico J. ,  [Analysis of the current situation and technological alternatives of agricultural production systems in the Caesar's valley watershed of Colombia] ,  Analysis of the current situation and technological alternatives of agricultural production systems in the Caesar's valley watershed of Colombia

Schoonhoven, Aart van ,  Holmann, Federico J. ,  Argel M., Pedro J. ,  Pérez, E. ,  Ordoñez, Jenny C. ,  Chaves, J. ,  [Estimation and comparison of benefits due to feeding hay and silage during the dry season on commercial dual-purpose cattle production systems in Honduras and Costa Rica.] ,  Estimation and comparison of benefits due to feeding hay and silage during the dry season on commercial dual-purpose cattle production systems in Honduras and Costa Rica.

Holmann, Federico J. ,  Rivas Ríos, Libardo ,  Argel M., Pedro J. ,  Pérez, E. ,  [Impact of the adoption of Brachiaria grasses: Central America and Mexico] ,  Impact of the adoption of Brachiaria grasses: Central America and Mexico

Torres, O.D. ,  Herrera, J.P. ,  Zalzuk, J.S. ,  Holmann, Federico J. ,  [Analisis de alternativas tecnologicas de los sistemas de produccion agropecuarios en el valle del Cesar, Colombia. (Analysis of technological alternatives for agricultural production systems in the Cesar valley, Colombia)] ,  Analisis de alternativas tecnologicas de los sistemas de produccion agropecuarios en el valle del Cesar, Colombia. (Analysis of technological alternatives for agricultural production systems in the Cesar valley, Colombia)

Holmann, Federico J. ,  Argel M., Pedro J. ,  Rivas Ríos, Libardo ,  White, D. ,  Estrada, R.D. ,  Burgos, C. ,  Pérez, E. ,  Ramírez, G. ,  Medina, A. ,  [Is it worth to recuperate degraded pasturelands? An evaluation of profits and costs from the perspective of livestock producers and extension agents in Honduras] ,  Is it worth to recuperate degraded pasturelands? An evaluation of profits and costs from the perspective of livestock producers and extension agents in Honduras