ABSTRACT: This paper is an user's manual for the phpBB2, a bulletin board package (BBS) developed by the phpBB Group. It's an Open Source software chosen, experimentally, as a knowledge management tool to improve research and development activities at Embrapa…

The Embrapa Agricultural Instrumentation Center, one of the thematic centers of the Brazilian Agricultural Research Corporation, is an institution of science and technology in instrumentation. Its purpose is to promote Brazilian agribusiness through the generation, adaptation, and transference of knowledge…

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…

A series-parallel directed acyclic graph, or SP-dag, contains nodes that are either in series or logically in parallel. We present a data structure and algorithm to efficiently determine, in a single serial walk of the dag, whether two nodes are…

ABSTRACT: Many farmers do not use precision agriculture tools due to high equipment costs and lack of knowledge about this new approach. A number of farmers have, however, conducted on-farm experiments without the help of these new and still expensive…

ABSTRACT: Participatory plant breeding uses a concept that joint formal (official researches institutions) and informal sector (farmers communities), combining the capabilities and the knowledge of both, and farmer's experiences, practices, and preferences. The goal is to join the yield improvement…

ABSTRACT: In the Cerrado Biome, the internal carbon cycling, the main carbon pools size, and the fluxes intensity between carbon pools are far from to be completely understood. This study presents the main carbon pools and cycling fluxes in terrestrial…

ABSTRACT: A research project on farming community development has been carried out by Embrapa Cerrados (Savannah Agricultural Research Center of the Brazilian Agricultural Research Corporation) in three Agrarian Reform Settlement Projects (PA): PA Jibóia, PA Paraíso and PA Santa Clara…

Este artículo argumenta que Alejandro Saravia, de origen
boliviano, se destaca de su generación de escritores latinoamericanos
tanto por su dominio de las dos lenguas oficiales de Canadá como
por su diálogo intertextual con las literaturas canadienses. Sin
olvidar su…

El desarrollo de sistemas de diálogo prácticos, orientados a aplicaciones específicas,
requiere un esfuerzo de diseño muy elevado. La práctica en el desarrollo, manejo y refinamiento
de sistemas concretos nos ha hecho ver que una de las razones de este…