References of "Debbaut, Vincent"
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See detailBiogas residues in substitution for chemical fertilizers : a comparative study on a grassland of the Walloon Region
Tsachidou, Bella; Scheuren, Marie; Gennen, Jérôme et al

in Science of the Total Environment (2019), 666

To provide sufficient quantities of food and feed, farming systems have to overcome limiting factors such as the nutrient depletion of the arable soils. Nitrogen being the main mineral element required ... [more ▼]

To provide sufficient quantities of food and feed, farming systems have to overcome limiting factors such as the nutrient depletion of the arable soils. Nitrogen being the main mineral element required for plant growth, has led to the extensive use of chemical fertilizers causing nitrogen pollution of the ecosystems. This field study investigates the use of biogas residues (BRs) as biofertilizers and their contribution to the mitigation of nitrate leaching in the agricultural soils, while demonstrates the rampant polluting nature of chemical fertilizers. Nine different fertilization treatments classified in three schemes and two nitrogen doses were tested for three consecutive years on a grassland in Belgium. Residual soil mineral nitrogen, percent contribution of treatments in residual nitrate, and agronomic performance were assessed for each fertilization treatment. The results obtained showed significant differences on treatment and scheme level regarding nitrate accumulation in the soil, with chemical fertilizers posing the highest nitrate leaching risk. BRs did not cause nitrate accumulation in the soil and were N rate and rainfall independent, while the chemical treatments indicated a cumulative tendency under high N rate and low precipitation. Forage yield did not demonstrate statistical differences on treatment and scheme level but varied under changing precipitation, while maximum application rate suggested a plateau. Aboveground nitrogen content was significantly higher under the application of chemical fertilizers only in the first year, while all the chemical treatments indicated a dilution effect under elevated annual rainfall. Finally, partial substitution of chemical fertilizers by raw digestate reduced the concentration of NO3- in the soil profile without having a negative impact on the yield and N content of the biomass. These results strongly advocate for the environmental benefits of BRs over the chemical fertilizers and underline their suitability as biofertilizers and substitutes for chemical fertilizers. [less ▲]

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See detailThe effect of the physicochemical conditions variations on the behavior of heavy metals trapped in polluted fluvial system sediments : the case of Ouest Sebou, Morocco
Hassimi, H.; Taleb, A.; Bouezmarni, Mohamed ULiege et al

in Applied Water Science (2019), 9(1),

This study was an attempt to understand the factors influencing the heavy metal distribution in polluted fluvial system sediments. Various biogeochemical processes and anthropogenic factors were playing ... [more ▼]

This study was an attempt to understand the factors influencing the heavy metal distribution in polluted fluvial system sediments. Various biogeochemical processes and anthropogenic factors were playing an important role in altering the concentration of heavy metals in the sediments. This paper has two objectives : the first one is to investigate the effect of the variation in the physicochemical conditions on the speciation of trace elements trapped in the sediments of the Sebou River. The second one is to study the kinetics mobilization of these heavy metals. Batch resuspension experiments were conducted in order to investigate the release of heavy metals from a polluted anoxic sediment submitted to different physicochemical conditions variations. It has been revealed that in oxygenated environment, sediments were oxidized which cause the release of some heavy metals, but their concentrations, as dissolved phase, were sustained constant or were increased with time. However, in acidic and anaerobic environment, most of the metallic trace elements were released together with the iron and the manganese, but some of these elements like chromium were precipitated. However, some of other elements were maintained in solution, which represents a real human health risk. [less ▲]

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See detailAnalysis of the nitrate leaching risk for different fertilizers on premanent grassland in the Persephone project
Daigneux, B.; Romain, Anne-Claude ULiege; Gennen, J. et al

Poster (2018, September)

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See detailFirst analysis of the nitrate leaching risk for different fertilisers in the Persephone project
Daigneux, B.; Molitor, Noémie ULiege; Gennen, J. et al

Poster (2018, June)

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See detailCarte hydrogéologique de Wallonie, Bra - Lierneux, 55/3-4
Ruthy, I.; Bouezmarni, Mohamed ULiege; Hanson, Alain ULiege et al

Cartographic material (2018)

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See detailCarte hydrogéologique de Wallonie, Vielsalm - Houvegnez, 56/1-2
Briers, P.; Gilson, M.; Ruthy, I. et al

Cartographic material (2018)

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See detailCarte hydrogéologique de Wallonie, Pussemange - Sugny, 63/7-8, 66/3-4
Bouezmarni, Mohamed ULiege; Denne, Pierre; Debbaut, Vincent ULiege

Cartographic material (2017)

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See detailCarte hydrogéologique de Wallonie, Bouillon - Dohan, Muno, 67/1-2. 67/6
Bouezmarni, Mohamed ULiege; Belanger, I.; Ghysel, P. et al

Cartographic material (2017)

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See detailcarte hydrogéologique de Wallonie, Durbuy - Mormont, 55/1-2
Ruthy, I.; Bouezmarni, Mohamed ULiege; Hanson, Alain ULiege et al

Cartographic material (2017)

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See detailThe metal elements traces dregs with the unstable fraction of the sediment of Sebou which risk?
Hassimi H.; Bouezmarni, Mohamed ULiege; Taleb A. et al

in Journal of Materials and Environmental Science (2016), 7(7), 2267-2276

In forms dissolved and/or fixed at the particles the metal elements traces can accumulate in the sedimentary zones and constitute important stocks of pollutants. These contaminants can be remaining in the ... [more ▼]

In forms dissolved and/or fixed at the particles the metal elements traces can accumulate in the sedimentary zones and constitute important stocks of pollutants. These contaminants can be remaining in the dissolved phase and become biodisponible under the effect of the physicochemical conditions and could act as a long-term source of pollution. To understand the mobility and the reactivity of these stocks is an important issue for the management of the quality of the hydrosystèmes. The exchangeable or unstable fraction of the sediment corresponds to the metal ions being adsorbed on the surface of the particles constituting the sediment (clays, oxide iron…), or mobility and the biodisponibility are high in this fraction because of the weak electrostatic interactions. The goal of this study and to characterize the sediments of Sebou and Fès Rivers and to evaluate the risk of toxicity of the elements metal traces related to the particulate phase by the method of spared digestion. Metals in these fractions are assumed to be more available than metals associated with residual fractions. The results obtained show a strong mobilization of the elements related to the unstable fraction which reaches 100% for Pb and 70% for Cr. The sediments are composed of two mineralogical phases and they are also very rich in organic matter. [less ▲]

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See detailCaractérisation des masses d’eau du sud de la Province de Luxembourg
Debbaut, Vincent ULiege

Speech/Talk (2015)

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See detailCarte hydrogéologique de Wallonie, Vivy - Paliseul, 64/5-6 (notice explicative)
Bouezmarni, Mohamed ULiege; Hanson, Alain ULiege; Belanger, I. et al

Book published by SPW - DGARNE - actualisation partielle : septembre 2015 - Première version : septembre 2014 (2015)

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See detailCarte hydrogéologique de Wallonie, Vivy - Paliseul, 64/5-6
Bouezmarni, Mohamed ULiege; Hanson, Alain ULiege; Belanger, I. et al

Cartographic material (2015)

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See detailCarte hydrogéologique de Wallonie, Bastogne-Wardin-Fauvillers-Romeldange, 65/3-4, 65/7-8 (notice explicative)
Bouezmarni, Mohamed ULiege; Debbaut, Vincent ULiege

Book published by SPW - DGARNE - actualisation partielle : janvier 2015 - première version : mars 2008 (2015)

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See detailCarte hydrogéologique de Wallonie, Odeigne-Bihain 55/7-8
Bouezmarni, Mohamed ULiege; Denne, Pierre; Hanson, Alain ULiege et al

Book published by SPW - DGARNE - actualisation partielle : janvier 2015 - première version : mars 2008 (2015)

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See detailCarte hydrogéologique de Wallonie, Odeigne-Bihain 55/7-8
Bouezmarni, Mohamed ULiege; Denne, Pierre; Hanson, Alain ULiege et al

Cartographic material (2015)

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