Desenvolvimento inicial de variedades e clones de cana-de- açúcar em Latossolo Vermelho Distrófico, Aparecida do Taboado-MS

In Brazil, as in other sugar cane (Saccharum spp.) producing countries, varieties and clones have been continuously developed and tested in order to obtain varieties better adapted to changes in climate, soils and management, seeking a better performance in soils and climates of low agricultural suitability for the culture. In this study, the initial vegetative growth and performance of five sugar cane clones (CT96-3095, CT95-3079, CT95-1425, CT96-3024, CT92-1882) and two varieties (SP81-3250 and SP91-1049) were evaluated in an environment characterized by soils of low fertility and sandy texture. The experiment was carried out in a randomized design with seven treatments, consisting of the two sugar cane varieties and five clones. The plots contained six 15 meters sugar cane rows with a line spacing of 1.50 m. The average tiller number, tiller leaf area, vegetative cover, shoot biomass and rate of cover between rows of sugarcane were determined through six assessments in the first half of 2008. At the end of the evaluation (116 days after planting) the results showed that the clones (CT96-3095, CT95-3079, CT95-1425, CT96-3024, CT92-1882) were not significantly superior to the two considered varieties (SP81-3250 and SP91-1049).

Aspectos nutricionais de farinhas de vísceras de aves e sua utilização em rações de frangos de corte

In the process of slaughtering chickens, parts of them are discarded because are unfit for human consumption. These wastes should be directed to a destination that does not promote any risk to the environment and above all, according with the laws regulating waste disposal. So, the wastes are transformed into byproducts for utilization in the animal nutrition, poultry and swine feeding, but cannot use for ruminant feed, only non-ruminant feeding. In Brazil, the first scientific studies on the use of by-products of poultry slaughter as a protein source in diets for broiler chickens were started in the 1960's, and these results were used for a long time for food formulation, but the need to improve the herds stimulated the search for improvement in technologies for more accurate diet formulations. The objective of this article is to review some aspects of the physic-chemical composition, energy values and their use in diets for broilers.

Guatemala: necesidades básicas insatisfechas, 1981-1994

Incluye Bibliografía

Análisis del desarrollo industrial de forjas de Colombia, 1961-1981

Incluye Bibliografía

Proyecciones de la población de El Salvador, por sexo y grupos de edad, 1961-1981

Incluye Bibliografía

Proyecciones de población de Honduras, por sexo y grupos de edad, 1961-1981

Incluye Bibliografía

Agua potable y saneamiento ambiental en América Latina, 1981-1990 = Drinking water supply and sanitation in Latin America, 1981-1990

Incluye Bibliografía

Proyecciones de la población de Honduras por sexo y grupos de edad, 1961-1981

Incluye Bibliografía

Economic activity 1981 in Caribbean countries

Includes bibliography

Migración de mano de obra no calificada entre países latinoamericanos

Incluye Bibliografía

Proyeccion de la poblacion del Distrito Especial de Bogota, por sexos y grupos quinquenales de edad, 1951-1981

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Republica de El Salvador: proyeccion de la poblacion por sexo y grupos de edad 1961-1981

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Maestria en Demografia 1981-1982: programas analiticos y bibliografias, segundo ano

Incluye Bibliografía