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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. ,  [Evaluación económica de sistemas de producción de leche en el tropico] ,  Evaluación económica de sistemas de producción de leche en el tropico

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

Holmann, Federico J. ,  [Evaluación económica de sistemas de producción de leche en el trópico] ,  Evaluación económica de sistemas de producción de leche en el trópico

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

Argel M., Pedro J. ,  Lobo, M. ,  González, J. ,  Romero, F. ,  Holmann, Federico J. ,  Lascano, Carlos E. ,  Kerridge, Peter C. ,  [The leguminous shrub, Cratylia argentea: a dry season feeding alternative for the humid tropics.] ,  The leguminous shrub, Cratylia argentea: a dry season feeding alternative for the humid tropics.

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