Articles

Genetic diversity in cattle of eight regions in Costa Rica.

Juan Miguel Cordero-Solórzano, Bernardo Vargas-Leitón, Bernal León-Rodríguez, Idania Chaón-González, MArco Martínez-Pichardo

191-202 |

Characterization of transfer of passive immunity in dairy heifer calves.

Jorge Alberto Elizondo-Salazar

203-209 |

Physiological-metabolic variables of heat stress in cows grazing in silvopastoral systems and in one treeless prairie.

Wilson Andrés Berragán-Hernández, Liliana Mahecha-Ledesma, Yasmin Socorro Cajas-Jirón

211-223 |

Characterization of agroecosystems with sheep production in the eastern side of Yucatán, Mexico.

Bernardino Candelaria-Martínez, Carolina Flota-Bañuelos, Luis Enrique Castillo-Sánchez

225-236 |

Stomatal characterization of five species of the genus Vanilla.

Delfino Reyes-López, Jonathan Quiroz-Valentín, Henry Arturo Kelso-Bucio, Manuel Huerta-Lara, Carlos Hugo Avendaño-Arrazate, Ricardo Lobato-Ortiz

237-246 |

Identification of Meloidogyne species associated with upland ornamentals plants in Costa Rica.

Stefany Solano-González, Alejandro Esquivel-Hernández, Ramón Molina-Bravo, Bernal Morera-Brenes

247-256 |

Assessment of Poa annua resistance to clethodim in Costa Rica.

Ana María Rodríguez-Ruiz, Néstor Chaves-Barrantes, Alberto Hernández-Díaz, Franklin Herrera-Murillo

257-266 |

Identification of lead- resistant endophytic bacteria isolated from rice.

Alexander Pérez-Cordero, Zafiro Barraza-Roman, Dalila Martínez-Pacheco

257-266 |

Effect of liquid liming on sorghum growth in an Ultisol.

Manuel E. Camacho, Gilberto Cabalceta-Aguilar, Eloy Molina-Rojas

291-303 |

Chemical control of anthrachnose of Sansevieria trisfasciata var. Hahnii on a detached-leaf system.

Gerardo Pérez-León, Rolbin Castillo-Matamoros, Laurdes Chavarría-Pérez, Arturo Brenes-Angulo, Luis Gómez-Alpízar

305-313 |

Effect of zeolite on the nitrogen fertilizer efficiency in rice crop.

José Ezequiel Villarreal-Núñez, Luís Alberto Barahona-Amores, Ovidio Antonio Castillo-Ortiz

315-321 |

Establishment of three species of oleaginous under association.

Yolai Noda-Leyva, Arturo Pérez-Vásquez, Ofelia Andrea Valdés-Rodríguez

323-332 |

Shrimp cephalothorax meal in laying hen diets.

Catalina Salas-Durán, Alejandro Chacón-Villalobos, Laura Zamora-Sánchez

333-343 |

Short Communication

Antifungal activity of extracts from three species of lichens in Cuba.

Daymara Idonay Vaillant-Flores, Marlene Gómez-Peralta, Carlos Rafael Romeu-Carballo, Rebeca Ramírez-Ochoa, Angela Porras-González

345-350 |

Molecular characterization of two accessions of Cydonia oblonga.

Luis Alvarado-Marchena, Dora Flores-Mora, Randall Chacón-Cerdas, Alexander Schmidt-Durán, Carlos Alvarado-Ulloa

351-354 |

Technical Notes

Conditioning of mealybug (Hemiptera: Pseudococcidae) by Scanning Electron Microscopy.

Melissa Palma-Jiménez, Mónica Blanco-Meneses

355-364 |

Analyzes and Comments

Mixtures of organic and inorganic substrates, particle size and proportion.

Emilio Raymundo Morales-Maldonado, Fernando Casanova-Lugo

365-372 |

Literature Reviews

Reconnection production-consumption: change to achieve food and nutritional security, as well as rural development.

Shirley Rodríguez-González, Sergio Schneider, Gabriela Coelho-de-Souza

373-385 |