In plant breeding programs, the knowledge about the appropriate sample size for the evaluation of populations is very important. A small sample reduces the chance of selecting superior genotypes, whereas a very large sample may lead to unnecessary increases in…

Sustainable development in the knowledge economy faces new challenges. Sustainable development has its stakeholders and drivers; some of them are more important than the others. Financial cooperatives do not seem a substantial stakeholder of sustainable development, but only at the…

2013

arbon sources for biofuel production are wide-ranging and their availability depends on the climate
and soil conditions of the land where the production chain is located. Henequen (Agave fourcroydesLem.) is
cultivated in Yucatán, Mexico to produce natural fibers from the…

The aqueous extracts of currently utilized Amazonian medicinal plants were assayed in vitro searching for antimicrobial activity against human and animal pathogenic microorganisms. Medium resuspended lyophilized aqueous extracts of different organs of Amazonian medicinal plants were assayed by in vitro…

Ciudadanos y organizaciones civiles juegan un rol más importante en los nuevos regímenes democráticos que bajo las experiencias previas. Los esfuerzos para promover la transparencia, la responsabilidad en la gestión y la participación han llevado a los ciudadanos, las organizaciones…

This work is the first study on parasitic fauna of Curimata cyprinoides Linnaeus, 1766 (Curimatidae) and the host-parasite relationship. The total of 154,740 parasites such as Ichthyophthirius multifiliis (Ciliophora), trophozoite of Spironucleus sp. (Hexamitidae), Urocleidoides sp. (Monogenoidea), Digenea gen. sp.…

O tema central desta tese é o processo de aprendizagem organizacional transgeracional nas empresas familiares no qual se inserem as noções de tempo e de espaço que constituem a plataforma de conhecimentos considerando-se a influência do sistema geracional familiar e…

Soil amendment with pyrogenic organic matter (PyOM) can sequester carbon, increase mutualistic root symbioses with arbuscular mycorrhizal fungi and nitrogen-fixing rhizobia, and hence improve crop yield. However, there is still a gap in our knowledge about the effects of PyOM…

The object of this work was to verify the utility of a level IV fugacity model to simulate the environmental fate of the insecticide carbofuran when employed in the cultivation of irrigated rice. The model simulated the dynamic distribution of…