The availability of P from rock phosphate (RP) is often too low to demonstrate an immediate impact on cereal production. Legumes may improve the immediate availability of P from RP and eventually benefit subsequent maize crops. The ability of Mucuna pruriens (L.) var utilis (Wright) Burck and Lab...
Vanlauwe, Bernard
,
Nwoke, O.C.
,
Diels, J.
,
Sanginga, P.
,
Carsky, R.J.
,
Deckers, J.
,
Merckx, R.
,
[Utilization of rock phosphate by crops on a representative toposequence in the northern Guinea savanna zone of Nigeria: response by Mucuna pruriens, Lablab purpureus, and maize]
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Utilization of rock phosphate by crops on a representative toposequence in the northern Guinea savanna zone of Nigeria: response by Mucuna pruriens, Lablab purpureus, and maize
Mucuna pruriens and Lablab purpureus can immediately benefit from rock phosphate (RP), but as both herbaceous legumes have only limited economic value, these benefits are only meaningful if yields of a subsequent maize crop are improved. The impact of RP application to Mucuna and Lablab on grain ...
Vanlauwe, Bernard
,
Diels, J.
,
Sanginga, P.
,
Carsky, R.
,
Deckers, J.
,
Merckx, R.
,
[Utilization of rock phosphate by crops on a representative toposequence in the northern Guinea savanna zone of Nigeria: response by maize to previous herbaceous legume cropping and rock phospate treatments]
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Utilization of rock phosphate by crops on a representative toposequence in the northern Guinea savanna zone of Nigeria: response by maize to previous herbaceous legume cropping and rock phospate treatments
Data from the derived savanna zone in southern Benin indicated that some intensive cropping systems (maize/Cajanus and maize/Mucuna relays; maize/cotton with Senna siamea hedgerows) returned about 12 Mg DM ha-1 year-1 of plant biomass to the soil. This compared favorably with the 8 Mg DM ha-1 yea...
Diels, J.
,
Lyasse, O.
,
Sanginga, N.
,
Vanlauwe, Bernard
,
Aihou, K.
,
Iwuafor, E.N.O.
,
Merckx, R.
,
Deckers, J.
,
[Options for soil organic carbon maintenance under intensive cropping in the West African savanna]
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Options for soil organic carbon maintenance under intensive cropping in the West African savanna
The establishment of exclosures (i.e. areas closed for grazing and agriculture) is a common practice to reverse land degradation through vegetation regeneration in the semiarid highland areas of northern Ethiopia. In order to assess the effect of exclosures on water flows, the water balance compo...
Descheemaeker, Katrien
,
Raes, Dirk
,
Nyssen, Jan
,
Poesen, J.
,
Haile, M.
,
Deckers, J.
,
[Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise]
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Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise
Daily runoff from 27 plots (5 m × 2 m) recorded during two rainy seasons in the Tigray highlands (Ethiopia) were analysed together with daily rainfall to calculate runoff curve numbers for hillslopes covered by semi-natural vegetation in varying stages of vegetation restoration. Curve number mode...
Descheemaeker, Katrien
,
Poesen, J.
,
Borselli, L.
,
Nyssen, Jan
,
Raes, Dirk
,
Haile, M.
,
Muys, B.
,
Deckers, J.
,
[Runoff curve numbers for steep hillslopes with natural vegetation in semi-arid tropical highlands, northern Ethiopia]
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Runoff curve numbers for steep hillslopes with natural vegetation in semi-arid tropical highlands, northern Ethiopia
Vandeplas, I
,
Vanlauwe, Bernard
,
Driessens, L
,
Merckx, R.
,
Deckers, J.
,
[Reducing labour and input costs in soybean production by smallholder farmers in south-western Kenya]
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Reducing labour and input costs in soybean production by smallholder farmers in south-western Kenya
Transhumance, the seasonal movement of herds occurring between two points and following precise routes repeated each year, is practiced on a broad scale in the open field areas of Tigray (North Ethiopia). This article presents a characterization of the practice, factors that explain its magnitude...
Nyssen, Jan
,
Descheemaeker, Katrien
,
Zenebe, A.
,
Poesen, J.
,
Deckers, J.
,
Haile, M.
,
[Transhumance in the Tigray highlands (Ethiopia)]
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Transhumance in the Tigray highlands (Ethiopia)
The establishment of exclosures (i.e. areas closed for grazing and agriculture) is a common practice to reverse land degradation through vegetation regeneration in the semiarid highland areas of northern Ethiopia. In order to assess the effect of exclosures on water flows, the water balance compo...
Descheemaeker, Katrien
,
Raes, Dirk
,
Nyssen, Jan
,
Poesen, J.
,
Haile, M.
,
Deckers, J.
,
[Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise]
,
Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise
Studies on the impacts of environmental rehabilitation in semi-arid areas are often conducted over limited space and time scales, and do typically not include detailed biophysical components. This study makes a multi-scale assessment over a time span of 30 years of environmental rehabilitation in...
Nyssen, Jan
,
Poesen, J.
,
Descheemaeker, Katrien
,
Haregeweyn, N.
,
Haile, M.
,
Moeyersons, J.
,
Frankl, Amaury
,
Govers, G.
,
Munro, N.
,
Deckers, J.
,
[Effects of region-wide soil and water conservation in semi-arid areas: the case of northern Ethiopia]
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Effects of region-wide soil and water conservation in semi-arid areas: the case of northern Ethiopia
Nutrient depletion is a major constraint to crop production for moist savanna soils, and inputs of nutrients are required to overcome this constraint. The impact of sole and combined applications of organic inputs (OIs) [fresh tree prunings, Pueraria phaseoloides (Roxb.) Benth. residues, and manu...
Vanlauwe, Bernard
,
Aihou, K.
,
Aman, S
,
Iwuafor, E.N.O.
,
Tossah, B.K.
,
Diels, J.
,
Sanginga, Nteranya
,
Lyasse, O.
,
Merckx, R.
,
Deckers, J.
,
[Maize yield as affected by organic inputs and urea in the West African moist savanna]
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Maize yield as affected by organic inputs and urea in the West African moist savanna