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See detailEffets de la couverture du sol avec Stylosanthes guianensis (Aublet) Swartz, de la taille et de la fumure minérale sur la production de Jatropha curcas L. dans la région de Kinshasa
Minengu, Jean de Dieu; Mobambo, Patrick; Mergeai, Guy ULg

in Oléagineux, Corps Gras, Lipides (2014), 21(2), 1-8

In order to evaluate the performance of Jatropha curcas L. in poor soil conditions, a test was conducted near Kinshasa on the Batéké plateau between July 2009 and December 2012 in the sites of Mbankana ... [more ▼]

In order to evaluate the performance of Jatropha curcas L. in poor soil conditions, a test was conducted near Kinshasa on the Batéké plateau between July 2009 and December 2012 in the sites of Mbankana and Mongata. The results show significant differences (p < 0.05) between the treatments applied on the vegetative growth and yield. Ground cover with Stylosanthes guianensis permitted to reduce significantly the rate of fruit abortion of Jatropha and to increase the average number of seeds per capsule. The combination of pruning, mineral fertilizers application, and Stylosanthes cover improved drastically the yields obtained in the 3rd year of production compared to the control with respectively 498.73 ± 5.88 kg of dry seed ha-1 in Mbankana and 552.95 ± 5.03 kg ha-1 in Mongata. In the control plots, yields were 167.85 ± 6.57 kg ha-1 of dry seeds in Mbankana and 172.28 ± 5.96 kg ha-1 of dry seeds in Mongata. [less ▲]

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See detailEffets de la Deltamethrine et d'une solution d'extrait de graines de "Neem" sur les populations de Plutella xylostella (L.) (Lep.: Yponomeutidae) et de Cotesia plutellae (Hym.:Braconidae) dans la zone périurbaine de Cotonou au Bénin
Goudegnon, A.E.; Kirk, A.A.; Schiffers, Bruno ULg et al

in Dossier : L'utilisation des intrants en cultures cotonnière et maraîchères (1998, February)

Une comparaison entre des applications de deltaméthrine et une solution d'extrait d'amande de Neem a été effectuée dans la zone péri urbaine de Cotonou, sur des populations de Plutella xylostella (L ... [more ▼]

Une comparaison entre des applications de deltaméthrine et une solution d'extrait d'amande de Neem a été effectuée dans la zone péri urbaine de Cotonou, sur des populations de Plutella xylostella (L.). Sur les parcelles traitées à la deltaméthrine, on observe des populations du oraageur dix fois supérieures à celles présentes sur les parcelles traitées au Neem. Le nombre de choux commercialisables issus des parcelles traitées au Neem est 1.5 fois supérieur à celui produit par celles traitées avec le pyréthrinoïde. L'influence de ces applications a également été observée sur les populations de Cotesia plutellae (Kurdjumov), unique parasitoïde de la Teigne. Il semble que ces populations ne soient ni génées par les applications d'extrait de Neem, ni par celles de deltaméthrine. [less ▲]

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See detailEffets de la diete hypocalorique proteique sur les modifications de la pression arterielle provoquees par perfusion d'adrenaline.
Scheen, André ULg; Scheen, Myriam ULg; Juchmes, J.

in Comptes Rendus des Séances de la Société de Biologie et de ses Filiales (1982), 176(1), 104-8

In 9 obese patients, epinephrine infusion (10 microgram/min) did not significantly modify the mean arterial blood pressure (MBP) in basal conditions. This infusion reduced MBP (-7 mm Hg, p less than 0.05 ... [more ▼]

In 9 obese patients, epinephrine infusion (10 microgram/min) did not significantly modify the mean arterial blood pressure (MBP) in basal conditions. This infusion reduced MBP (-7 mm Hg, p less than 0.05) after 13 days of protein-supplemented fasting. This difference in the cardio-vascular reactivity to circulatory epinephrine could contribute to the decrease in the arterial blood pressure observed during protein-supplemented fasting. [less ▲]

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See detailEffets de la dihydroflavopéreirine et de la sempervirine (alacaloïdes dérivés de la beta-carboline) sur des cellules cancéreuses en culture
Bassleer, Roger; Clermont, D.; Marnette, J. M. et al

in Annales Pharmaceutiques Françaises (1985), 43(1), 83-88

The cellular effects of dihydroflavopereirine and sempervirine ( two alkaloids isolated from Loganiaceae) are analysed by cytological methods in experimental tumours cultivated in vitro ( B16 mouse ... [more ▼]

The cellular effects of dihydroflavopereirine and sempervirine ( two alkaloids isolated from Loganiaceae) are analysed by cytological methods in experimental tumours cultivated in vitro ( B16 mouse melanoma cells, mouse Ehrlich tumour cells ELT). Under some experimental conditions, a certain degree of antimitotic activity is demonstrated and related to the molecular structure. [less ▲]

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See detailEffets de la duree du diabete de type 1 sur la pression arterielle pulse: etude transversale controlee.
Philips, Jean-Christophe ULg; Marchand, Monique ULg; Weekers, Laurent ULg et al

in Archives des Maladies du Coeur et des Vaisseaux (2006), 99(7-8), 683-6

Diabetes mellitus and arterial pulse pressure (PP) are two independent cardiovascular risk factors. This cross-sectional study investigated the influence of diabetes duration on PP in type 1 diabetic ... [more ▼]

Diabetes mellitus and arterial pulse pressure (PP) are two independent cardiovascular risk factors. This cross-sectional study investigated the influence of diabetes duration on PP in type 1 diabetic patients without any cardiovascular disease. PP was measured continuously during 3 minutes (active orthostatic test: 1 min standing--1 min squatting--1 min standing) using a fingertip plethysmograph (Finapres) in 159 type 1 diabetic patients aged 20-60 yrs. They were divided into 4 groups according to diabetes duration: (1) G1 : <10 yrs (n=39); G2: 11-20 yrs (n=45); G3: 21-30 yrs (n=57); and G4: >30 yrs (n=18). In order to separate the effects of age from the effects of diabetes duration, diabetic patients were compared to age- and sex-matched non diabetic controls. PP (expressed in mmHg; mean +/- SD) was higher in men than in women in both diabetic (58 +/- 15 vs. 50 +/- 14; p = 0.001) and non diabetic subjects (55 +/- 14 vs. 47 +/- 12; p = 0.001). Overall PP was higher in diabetic than in non diabetic individuals (54 +/- 15 vs. 50 +/- 13; p = 0.025). PP progressively increased according to diabetes duration: 47 +/- 16 vs. 51 +/- 13 vs. 59 +/- 14 vs. 62 +/- 12, from G1 to G4 respectively; p < 0.0001. Such an increase was not observed in age-matched non diabetic subjects: 50 +/- 11 vs. 52 +/- 12 vs. 49 +/- 14 vs. 52 +/- 18, from G1 to G4, respectively; NS. PP was higher in squatting than in standing position in non diabetic subjects (52 +/- 16 vs. 47 +/- 13; p < 0.0001) and even more in diabetic patients (59 +/- 17 vs. 50 +/- 14; p < 0.0001). Overall, PP difference between diabetic and non diabetic individuals was not significant in standing position (50 +/- 14 vs. 47 +/- 13; NS) although it became highly significant in squatting position (59 +/- 17 vs. 52 +/- 16; p = 0.0005). The squatting-standing difference in PP markedly increased with diabetes duration: 69 +/- 14 during squatting vs. 50 +/- 18 during standing in G4 compared to respectively 50 +/- 17 vs. 44 +/- 15 in G1 diabetic patients. Finally, PP was similar (NS) in diabetic patients with HbA1c < 8% (54 +/- 14) or > or =8% (55 +/- 16), with (57 +/- 17) or without (54 +/- 14) microalbuminuria, treated (56 +/- 14) or not (54 +/- 15) by inhibitors of the renin-angiotensin system. In conclusion, PP progressively increased with the duration of type 1 diabetes, independently of age. Such increase was more marked in squatting than in standing position. The role of such PP rise in the increased cardiovascular risk of patients with type 1 diabetes, although suspected in the recent EURODIAB Prospective Complications Study, deserves further investigation. [less ▲]

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See detailEffets de la dureté des grains et du mode de présentation du froment sur la digestion de l'amidon chez le poulet de chair
Piron, Fabien ULg; Collin, Cécile; Bodson, Bernard ULg et al

Scientific conference (2007, February 28)

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See detailLes effets de la formation professionnelle continue : une enquête auprès des bénéficiaires des actions du Fonds social européen en Wallonie et à Bruxelles
Conter, Bernard; Maroy, Christian; Orianne, Jean-François ULg

in Politiques d'Education et de Formation : Analyses et Comparaisons Internationales (2003), 7

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See detailEffets de la fragmentation des forêts par l'agriculture itinérante sur la dégradation de quelques propriétés physiques d'un ferralso échantillonné à Yangambi, R.D. Congo
Alongo, Sylvain; Visser, Marjolein; Drouet, Thomas et al

in Tropicultura (2013), 31(1), 36-43

The knowledge of changes occurring in the soil cover at the forest edge is needed to better understand the impact of forest fragmentation on soil parameters. The objective of this study is to evaluate the ... [more ▼]

The knowledge of changes occurring in the soil cover at the forest edge is needed to better understand the impact of forest fragmentation on soil parameters. The objective of this study is to evaluate the effects of forest fragmentation caused by shifting agriculture on texture, bulk density, total porosity and soil hydraulic conductivity in the layers at 0-10, 10-20 and 20-30 cm depth by the transect method in a perspective of sustainable land management in the region of Yangambi. The results obtained show that the edge between the fallow grassland and dense forest has a width of 70 m. Degradation of all the physical properties of soils relative to the dense forest is very significant (p<0.01) for the studied layers. Fragmentation of forests by shifting cultivation increases the phenomenon of selective loss of clays of the surface soil layers and consequently increases its bulk density and decreases the permeability and porosity with depth under the fallow grass and edge. The texture data associated with textural classes in the FAO textural triangle indicate a change in texture of the soil under different land uses for the tree layers studied. [less ▲]

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See detailEffets de la lumière en élevage porcin
Dechamps, P.; Nicks, Baudouin ULg

in Annales de Médecine Vétérinaire (1989), 133

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See detailEffets de la marchandisation de l'arganier sur la vie socioéconomique des populations de l’arganraie marocaine
Aziz, Larbi ULg; Mormont, Marc ULg; Allali, Khallil

in VertigO : la Revue Electronique en Sciences de l'Environnement (2013), 13(1),

Le boom du marché de l’huile d’argan a engendré de multiples conséquences sur la vie socioéconomique et culturelle des populations locales. En fait, la marchandisation de l’argan a eu à la fois des ... [more ▼]

Le boom du marché de l’huile d’argan a engendré de multiples conséquences sur la vie socioéconomique et culturelle des populations locales. En fait, la marchandisation de l’argan a eu à la fois des retombées positives et des effets négatifs sur tout l’écosystème. Pour comprendre et analyser ces évolutions et les nouvelles dynamiques locales qui y prennent place, nous avons réalisé une étude empirique dans la région d’Essaouira. Nos principaux résultats montrent que l’engouement pour les produits de l’arganier et la flambée de leurs prix (notamment l’huile) ont re-configuré la vie socio-économique et culturelle locale : de nouveaux acteurs ont surgi, un marché insuffisamment structuré et pas assez profitable aux locaux s’est mis en place, le savoir-faire local s’érode, de nouveaux modes d’alimentation ont fait leur apparition, des coutumes et traditions sont en voie de disparition, etc. [less ▲]

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See detailEffets de la modernisation de tannerie sur l’impact de ses activités sur la qualité des eaux : cas de la tannerie de Maradi au Niger
Saidou, H.; Laminou Manzo, O.; Ozer, Pierre ULg et al

in Research Inventy: International Journal Of Engineering And Science (2015), 5(4), 30-38

The modernization of the tannery of Maradi had intervened in 2009 with the introduction of the process of tanning in the chromium. We estimated the influence of this change of operating process through an ... [more ▼]

The modernization of the tannery of Maradi had intervened in 2009 with the introduction of the process of tanning in the chromium. We estimated the influence of this change of operating process through an evaluation of the impact characteristics evolution of the solid and liquid discharges of this tannery on water. It stands out that the modernization of the tannery activities had more or less significant effects on these environment elements. We noted a relative improvement of the quality of underground waters illustrated by the regression of the content in chloride and nitrates rates stabilization. While the content in chromium evolved in a significant way as well as the pH. However, all the four above parameters remain below WHO standards. By cons, this modernization has almost not influenced the impact on the quality of surface waters. The values of BOD and COD have continued to rise despite the installation of a treatment system. Thus this surface water, including the pond, proved to be a major public health risk for domestic and agricultural use and is also a source of air pollution. [less ▲]

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See detailEffets de la nature de la ration et du moment de prélèvement du jus de rumen sur la fermentescibilité d'aliment fibreux en seringue.
Ndimubandi, Albéric; Fonck, Myriam; Buldgen, André et al

in 6èmes Rencontres autour de la Recherche sur les Ruminants, Paris, France, 1-2 décembre 1999 (1999)

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