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This study identifies entry points for innovation for sustainable intensification of agricultural systems. An agricultural innovation systems approach is used to provide a holistic image of (relations between) constraints faced by different stakeholder groups, the dimensions and causes of these c...


Schut, MarcAsten, Piet J.A. vanOkafor, C.Hicintuka, C.Mapatano, S.Nabahungu, N.S.Kagabo, Desire M.Muchunguzi, P.Njukwe, E.Dontsop Nguezet, Paul M.Sartas, MuratVanlauwe, Bernard[Sustainable intensification of agricultural systems in the central African highlands: the need for institutional innovation]Sustainable intensification of agricultural systems in the central African highlands: the need for institutional innovation

Due to increasing population pressure and declining soil fertility, there is need for profitable alternatives to the slash-and-burn (SB) practice for cassava (Manihot esculenta Crantz) production in the humid lowlands of sub-Saharan Africa. Integrated Soil Fertility Management (ISFM) has high pot...


Pypers, PieterBimponda, WLodi Lama, JPLele, BMulumba, RKachaka, CBoeckx, P.Merckx, R.Vanlauwe, Bernard[Combining mineral fertilizer and green manure for increased, profitable cassava production]Combining mineral fertilizer and green manure for increased, profitable cassava production

In 2007 two long-term trials were established in Kenya to contribute research-based evidence to the global debate on the productivity, economic viability and sustainability of different agricultural production systems. These trials compare conventional (Conv) and organic (Org) farming systems at ...


Adamtey, NoahMusyoka, M.W.Zundel, C.Cobo Borrero, Juan G.Karanja, E.Fiaboe, K.K.M.Muriuki, A.Mucheru-Muna, M.Vanlauwe, BernardBerset, E.Messmer, M.M.Gattinger, A.Bhullar, G.S.Cadisch, GeorgFliessbach, A.Mäder, PaulNiggli, U.Foster, D.[Productivity, profitability and partial nutrient balance in maize-based conventional and organic farming systems in Kenya]Productivity, profitability and partial nutrient balance in maize-based conventional and organic farming systems in Kenya

Banana-bean intercropping systems are used by many small-scale farmers in eastern Democratic Republic of Congo to maximize land use and intensify crop production. A study was conducted at the INERA Mulungu research station to determine the effect of banana leaf pruning on banana (Musa spp.) and b...


Ntamwira, J.Pypers, PieterAsten, Piet J.A. vanVanlauwe, BernardRuhigwa, B.A.Lepoint, P.Blomme, Guy[Effect of banana leaf pruning on banana and bean yield in an intercropping system in Eastern Democratic Republic of Congo]Effect of banana leaf pruning on banana and bean yield in an intercropping system in Eastern Democratic Republic of Congo

Food security entails having sufficient, safe, and nutritious food to meet dietary needs. The need to optimise nitrogen (N) use for nutrition security while minimising environmental risks in sub-Saharan Africa (SSA) is overdue. Challenges related to managing N use in SSA can be associated with bo...


Masso, C.Baijukya, Frederick P.Ebanyat, PeterBouaziz, S.Wendt, J.Bekunda, Mateete A.Vanlauwe, Bernard[Dilemma of nitrogen management for future food security in sub-Saharan Africa – a review]Dilemma of nitrogen management for future food security in sub-Saharan Africa – a review

A litterbag experiment with Leucaena leucocephala and Senna siamea residues collected during four different pruning activities was carried out in no-tree-control and alley cropping plots. Decomposition was followed for 112 days after the respective pruning dates. Other factors studied were “amoun...


Vanlauwe, BernardSanginga, N.Merckx, R.[Decomposition of four Leucaena and Senna prunings in alley cropping systems under subhumid tropical conditions: the process and its modifiers]Decomposition of four Leucaena and Senna prunings in alley cropping systems under subhumid tropical conditions: the process and its modifiers

Quantification of the movement of residue N through various biologically meaningful soil organic matter (SOM) fractions is essential in low-input tropical cropping systems for the development of management practices aimed at optimizing N-use efficiency. The flow of N derived from 15N-labeled leuc...


Vanlauwe, BernardSanginga, N.Merckx, R.[Soil organic matter dynamics after addition of nitrogen15 labeled leucaena and dactyladenia residues]Soil organic matter dynamics after addition of nitrogen15 labeled leucaena and dactyladenia residues

Quantification of the fate of residue N is essential in low-input tropical cropping systems for the development of management practices that optimize N-use efficiency. The recovery of N from 15N-labeled leucaena (Leucaena leucocephala (Lam.) de Wit) and dactyladenia (Dactyladenia barteri (Hook f ...


Vanlauwe, BernardSanginga, N.Merckx, R.[Recovery of leucaena and dactyladenia residue nitrogen15 in alley cropping systems]Recovery of leucaena and dactyladenia residue nitrogen15 in alley cropping systems

The moist savanna of West-Africa is characterized by a wide range of climates and soil types. The impact of the biophysical environment on hedgerow N uptake, wood production and maize grain yield was assessed for three years in three alley cropping trials with a selected number of hedgerow specie...


Tossah, B.K.Zamba, D.K.Vanlauwe, BernardSanginga, N.Lyasse, O.Diels, J.Merckx, R.[Alley cropping in the moist savanna of West Africa II. Impact on soil productivity in a northtosouth transect in Togo]Alley cropping in the moist savanna of West Africa II. Impact on soil productivity in a northtosouth transect in Togo

The amounts of earthworm surface casts were monitored for 200 days after commencement of casting in three alley cropping experiments of different ages and hedgerow species. Casts were collected twice per week in transects from under the hedgerow to the middle of the interrow space. Average annual...


Hauser, S.Asawalam, D.O.Vanlauwe, Bernard[Spatial and temporal gradients of earthworm casting activity in alley cropping systems]Spatial and temporal gradients of earthworm casting activity in alley cropping systems

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