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Pour un échantillonnage et un conseil agronomique raisonné, les outils d'aide à la décision

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Author(s): Genot, V. | Buffet, D. | Legrain, X. | Goffaux, MJ. | Cugnon, T. | Oger, R. | Bock, L. | Colinet, G.

Journal: Biotechnologie, Agronomie, Société et Environnement
ISSN 1370-6233

Volume: 15;
Issue: s2;
Start page: 657;
Date: 2011;
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Keywords: Decision support systems | soil sampling | soil fertility | geographic information system | Belgium

ABSTRACT
To a sampling and personal fertility advice, the tools for decision support. Environmental and agronomic issues require always more well thought and suited farmer management of agricultural inputs; soil analysis is therefore an essential tool to support decision. However, for a soil analysis to provide valuable information, it is essential for the sample to be representative of the studied field. Without this representativeness, an analytical result, as accurate as it could be, would not be of interest if it could mislead the farmer. In practice, the main difficulty for the sampler is the recognition of soil criteria which are essential to provide a fertility advice, especially in Wallonia (Belgium) where soil variability is very important. With the Digital Soil Map of Wallonia (DSMW), drowned at the scale 1/5,000, it seems appropriate to give these information to the samplers in an useful form for routine works. That is why a mapping tool for decision support, named REQUACARTO, was designed to be used for soil analysis by provincial laboratories, members of the REQUASUD laboratories network. This tool responds to a real requirement in Wallonia: achieving a quality sampling for the development of personalized soil fertility advice.
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