2010

The knowledge of field management zones based on soil attributes can be helpful for the implementation of site-specific management. This work had the objective of analyzing the spatial dependence of soil attributes of the 0-0.20 m and 0.20-0.40 m layers…

The anthropogenic dark earths (ADE, Terra Preta de Índio or terra preta arqueológica, as are often referred to in Portuguese) feature unique properties that are interesting not only from a pedological point of view but have important agronomic and economic…

The reality of global climate changes creates the necessity of predicting how will be the climatic scenario in our planet and how it will affect the economic activities in the future. For some climatic variables the global climate models projections…

Resumo: A expressiva troca de germoplasma com outros países, por meio da importação e exportação de produtos agrícolas representa um aumento no risco de introdução desta praga no Brasil, por isso a importância do levantamento de informações acerca das características…

Resumo: A importância mundial ao segmento florestal foi reforçada em 2011 pela Organização das Nações Unidas ao elegê-lo como Ano Internacional das Florestas. O Brasil registrou nos últimos dez anos significativo aumento na área de florestas plantadas, sendo 95% de…

The glacigenic boulders from the Hirnantian Don Braulio Formation of the Argentine Precordillera contain a well preserved shelly fauna allowing to a better knowledge of brachiopods and bivalves, but gastropods remain undescribed. The purpose of this paper is to give…

Although South America lost more megafaunal genera than any other continent during the Late-Quaternary Extinction event (LQE), little is known about the chronology, causes or dynamics of these extinctions, especially in the northern part of the continent. Fossil deposits in…

El objeto de este trabajo es mostrar dos problemas básicos que obstaculizan la producción
de didácticas para las ciencias jurídicas. El primero de estos problemas lo constituyen los
usos de la ética, y la conciencia, definitorios tanto de la enseñanza…

Les circuits neuronaux peuvent générer une panoplie de rythmes. Nous pouvons séparer les mécanismes de création de ces rythmes en deux grands types. Le premier consiste de circuits contrôlés par des cellules « pacemakers », ayant une activité rythmique intrinsèque,…