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En Caisán y San Andrés, Distrito de Renacimiento, provincia de Chiriquí, Panamá, se ha implementado un proyecto de producción de semillas de frijol poroto bajo on sistema no convencional o artesanal, el cual es financiado por PROFRIJOL y es atendido por técnicos del Instituto de Investigación Agr...


Lorenzo H., EdwinRodríguez, EmigdioPalma, Quintín[Sistema de producción de semilla de frijol en Panamá, sus logros y perspectivas]Sistema de producción de semilla de frijol en Panamá, sus logros y perspectivas

The traditional empirical approach to selection for yield in common bean has met with modest success. Breeding based on the concepts of ideotype, or for specific combinations of physiological traits, and/or for combining ability based on specific genotypic combinations, have not been universally ...


Kelly, James D.Kolkman, Judith M.Schneider, K.A.[Breeding for high yield in common bean]Breeding for high yield in common bean

Seed of six commercial Brachiaria species is extensively produced for pasture sowing. Production is restricted geographically and seasonally by photoperiodic flowering reactions. It also requires a prior control of vegetative tiller production, and therefore a reliable dry season. The necessary c...


Hopkinson, J.M.Souza, Francisco Humberto Dübbern de[Reproductive physiology, seed production, and seed quality of Brachiaria]Reproductive physiology, seed production, and seed quality of Brachiaria

An in vitro experiment was performed to compare the forage quality of foliage of Calliandra (Calliandra calothyrsus Meissner var. Patulul) cultivated on either low or medium-fertility soils in Colombia and Kenya, respectively. A grass-alone diet, with and without urea supplementation, and five le...


Hess, HDTiemann, Tassilo T.Noto, FFranzel, StevenLascano, Carlos E.Kreuzer, M.[The effects of cultivation site on forage quality of Calliandra calothyrsus var. Patulul]The effects of cultivation site on forage quality of Calliandra calothyrsus var. Patulul

The role of residue characteristics in enhancing the availability of P was investigated in a greenhouse study using two soils from the northern Guinea savanna (NGS) and four from the derived savanna (DS) zones of the West African moist savanna. Eight organic residues of varying C-to-P ratio were ...


Nwoke, O.C.Vanlauwe, BernardDiels, J.Sanginga, NteranyaOsonubi, O.[Impact of residue characteristics on phosphorus availability in West African moist savanna soils]Impact of residue characteristics on phosphorus availability in West African moist savanna soils
Johnson, D.E.[El papel de un programa de certificación de semillas en el desarrollo del sector agrícola nacional]El papel de un programa de certificación de semillas en el desarrollo del sector agrícola nacional

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