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See detailSoil chemical changes following 3-year legume or grass leys in west Africa
Adjolohoun, Sébastien; Bindelle, Jérôme ULg; Adandedjan, Claude et al

in Tropical Grasslands (2010), 44

The influence of 4 tropical grasses (Panicum maximum, Andropogon gayanus broad- (BL) and narrow-leaf (NL) types and Pennisetum purpureum) and 6 legumes (Aeschynomene histrix, Stylosanthes fruticosa ... [more ▼]

The influence of 4 tropical grasses (Panicum maximum, Andropogon gayanus broad- (BL) and narrow-leaf (NL) types and Pennisetum purpureum) and 6 legumes (Aeschynomene histrix, Stylosanthes fruticosa, Centrosema pubescens, Mucuna pruriens var. utilis, Cajanus cajan and Leucaena leucocephala) on fertility of the top soil in the Sudanian region of Benin over 3 years was investigated. The plants were sown without fertiliser, harvested under a cut-and-carry regime and soil changes were compared with those under a natural fallow. Soil samples were collected before the study commenced and at the end of the 3-year study. These were analysed for pH, organic C, N, available P and exchangeable cations (Ca, Mg, K and Na). N, P and K contents of aerial parts were determined to estimate the exports of these elements. For the grasses, root biomass, depth and distribution were also measured. Three years after grasses and legumes were sown, the pH under the grasses (6.6-6.7) was higher than under the legumes (6.2-6.4) and C and N concentrations had declined from the initial levels. Owing to their deep rooting systems, A. gayanus BL and P. maximum, and probably C. cajan and L. leucocephala, appeared able to recycle nutrients from deeper soil layers. While these species could be used for ley pastures in savannah regions of west Africa, maintenance fertiliser applications would be required to prevent nutrient depletion under a cut-and-carry regime. Further studies to test the efficacy of farmyard manure in providing these nutrients seem warranted. [less ▲]

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See detailMapping of soil-sediment systems contaminations around a metal-ore smelter. The example of Cu in Lubumbashi (R.D. Congo)
Mpundu, Michel; Kaya Muyumba, Donato ULg; N'gongo, Michel et al

Conference (2009, December 02)

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See detailMapping baseline soil content in pollutants in urbanized and industrialized areas in the Walloon region: development of a sampling methodology for the Pollusol 2 survey (SPAQuE)
Peirera, Benoit; Schneider, Arnaud; Titeux, Hugues et al

Conference (2009, December 02)

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See detailUN PORTAIL CARTOGRAPHIQUE POUR UN ECHANTILLONNAGE ET UN DIAGNOSTIC AGRONOMIQUE PESONNALISES
Genot, Valérie ULg; Colinet, Gilles ULg; Buffet, Dominique et al

in Actes des 9èmes rencontres de la Fertilisation Raisonnée et de l'Analyse de Terre (2009, November)

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See detailNear infrared reflectance spectroscopy for estimating soil characteristics useful in the diagnosis of soil fertility
Genot, Valérie ULg; Colinet, Gilles ULg; Bock, Laurent ULg et al

in Proceedings of the 14th International Conference on NIR Spectroscopy (2009, November)

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See detailDélivrables9, 13, 14 : méthodologies proposées par l'UCL-FSAGx dans le cadre des volets 1 et 3 de la convention
Schneider, Arnaud; Pereira, Benoît; Sonnet, Philippe et al

Report (2009)

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See detailSoil affects on the cadmium and zinc contents of Chinese cabbage in Yunnan province, China
Zu, Yanqun; Li, yuan; Bock, Laurent ULg et al

in Archives of Agronomy and Soil Science (2009), 56(1), 107-117

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See detailContamination des sols par les activités minières à Lubumbashi (RDC). Incidences en matière de diagnostic et de choix de solutions de gestion.
Mpundu Mubemba, Michel; Ngoy Shutcha, Mylor; Faucon, Michel-Pierre et al

in Schwartz, Dominique (Ed.) Actes des 10emes JES (2009, May)

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See detailTransferring a calibration model and a spectral library to a soil analysis laboratories network
Genot, Valérie ULg; Colinet, Gilles ULg; Dardenne, Pierre et al

in EGU 2009 Book of abstracts (2009, April 23)

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See detailTolerance to copper in the cuprophyte Haumaniastrum Katangense (S. Moore) P.A. Duvign. & Plancke
Chipeng, François; Colinet, Gilles ULg; Ngongo Luhembwe, Michel et al

Poster (2009, March 27)

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