ABSTRACT: The Cerrado is one of the richest and most threatened biome in the world and its ecosystem Seasonally dry forest is the one that suffers most antropic pressure. It's important that conservation of The Paranã River Valley increases because…

Traditionally the weed management has been done considering the overall weed infestation in the whole field and then herbicides are sprayed according to a single weed control recommendation for the field. But weeds are not uniformly distributed and normally have…

2008

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Purpose: The aim of this paper is to assess both the philosophical underpinnings and contributions to knowledge made by research in the field of strategy in the five years between 2002 and 2006.

Design/methodology/approach: The paper begins with…

The yearly genetic progress obtained by breeding for increased soybean yield has been considered acceptable worldwide. It is common sense, however, that this progress can be improved further if refined breeding techniques, developed from the knowledge of the genetic mechanisms…

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ABSTRACT: This paper presents an experience involving the use of a Bulletin Board System (BBS) for the Project Brazilian Rocks as Alternative Sources of Potassium. It's described the BBS specification, its implementation and the difficulties observed along this processes. The…

2007

Durante las últimas décadas, el planeta está sufriendo varios cambios en su naturaleza y a nivel climático debido al crecimiento descontrolado del sistema económico y la creación de miles de productos que causan la explotación, contaminación y desaparición de los…