El sistema de siembra directa implica el uso conjunto de una serie de prácticas de manejo que determinan cambios adaptativos en la comunidad de malezas. Distintos sistemas de laboreo del suelo generan diferentes condiciones de luz, temperatura y humedad suficientes…

The knowledge of guava fruiting cycle is of great interest not only due to its biological aspects but also as an important datum for the application of cultural practices. This paper was carried out in the Submedio São Francisco region…

The Paleontology teams at the Universidade Federal do Acre (UFAC) and the Universidade de Brasília (UnB) worked together in order to increase macro and micropaleontological knowledge of the late Miocene rocks exposed at Niterói (10º08'30''S-67º48'46,3''W), on the right margin of…

The purpose of this paper is to characterize the configurations of the families that live in contexts of social exclusion; provide conceptualizations of their operation mode; highlight the formative effects that neighborhood interdisciplinary practices with such families produce in the…

El proyecto de investigación La enseñanza y el aprendizaje de la psicología: estudio de la práctica docente en profesores y principiantes tuvo entre sus propósitos iniciales indagar y comprender el sistema de creencias y representaciones de profesores y principiantes respecto…

Background: Clinical examinations increasingly consist of composite tests to assess all aspects of the curriculum recommended by the General Medical Council.
Setting: A final undergraduate medical school examination for 214 students.
Aim: To estimate the overall reliability of a composite…

Abstract:
Canada's success as a modern, knowledge-based
economy depends on a strong national information infrastructure
that is responsive to the needs of the country's innovation system
for industrial development. The
Canada Institute for Scientific and Technical Information (CISTI)
at the…

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