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The phenology of East African highland banana (Musa acuminata AAA-EA, hereafter referred to as ‘high-land banana’) is poorly understood. We tested three hypotheses: (1) the physiological age at floweringis independent of site effects, (2) there is no difference in threshold size at flowering betw...


Taulya, G.Asten, Piet J.A. vanLeffelaar, P.A.Giller, Ken E.[Phenological development of East African highland banana involves tradeoffs between physiological age and chronological age]Phenological development of East African highland banana involves tradeoffs between physiological age and chronological age

Climbing beans offer potential for sustainable intensification of agriculture, but their cultivation constitutes a relatively complex technology consisting of multiple components or practices. We studied uptake of improved climbing bean production practices (improved variety, input use and manage...


Ronner, E.Descheemaeker, KatrienAlmekinders, Conny J.M.Ebanyat, PeterGiller, Ken E.[Farmers’ use and adaptation of improved climbing bean production practices in the highlands of Uganda]Farmers’ use and adaptation of improved climbing bean production practices in the highlands of Uganda

tCoffee is Uganda’s biggest export commodity, produced mainly by an estimated one million smallholderfarmers (<2.5 ha). Arabica (Coffea arabica L.) and Robusta (Coffea canephora Pierre ex Froehn.) are thetwo coffee species grown. Robusta is dominantly cultivated at lower elevations (<1400 m) such...


Wang, N.Jassogne, Laurence T.P.Asten, Piet J.A. vanMukasa, D.Wanyama, I.Kagezi, G.Giller, Ken E.[Evaluating coffee yield gaps and important biotic, abiotic, and management factors limiting coffee production in Uganda]Evaluating coffee yield gaps and important biotic, abiotic, and management factors limiting coffee production in Uganda

Amanu, T.Baars, E.Woldemeskel, EndalkachewAbdulkadir, BirhanAmpadu-Boakye, T.Giller, Ken E.Kanampiu, F.[Public-private partnerships for sustainable legume technology dissemination and business: The case of Balegreen in southeastern Ethiopia]Public-private partnerships for sustainable legume technology dissemination and business: The case of Balegreen in southeastern Ethiopia

Promiscuous soyabean varieties have potential to contribute significantly to income generation, food security and soil N budgets on smallholder farms. One of the major factors limiting this potential is farmers preference to allocate nutrient resources to food security cereal crops on the most f...


Zingore, ShamieMurwira, HKDelve, Robert J.Giller, Ken E.[Variable grain legume yields, responses to phosphorus and rotational effects on maize across soil fertility gradients on African smallholder farms]Variable grain legume yields, responses to phosphorus and rotational effects on maize across soil fertility gradients on African smallholder farms

The need to promote fertiliser use by African smallholder farmers to counteract the current decline in per capita food production is widely recognised. But soil heterogeneity results in variable responses of crops to fertilisers within single farms. We used existing databases on maize production ...


Tittonell, Pablo A.Vanlauwe, BernardCorbeels, MarcGiller, Ken E.[Yield gaps, nutrient use efficiencies and response to fertilisers by maize across heterogenous smallholder farms of western Kenya]Yield gaps, nutrient use efficiencies and response to fertilisers by maize across heterogenous smallholder farms of western Kenya

To guide soil fertility investment programmes in sub-Saharan Africa, better understanding is needed of the relative importance of soil and crop management factors in determining smallholder crop yields and yield variability. Spatial variability in crop yields within farms is strongly influenced b...


Tittonell, Pablo A.Shepherd, Keith D.Vanlauwe, BernardGiller, Ken E.[Unravelling the effects of soil and crop management on maize productivity in smallholder agricultural systems of western Kenya : An application of classification and regression tree analysis]Unravelling the effects of soil and crop management on maize productivity in smallholder agricultural systems of western Kenya : An application of classification and regression tree analysis
Baudron, FrédéricCorbeels, MarcMonicat, F.Giller, Ken E.[Cotton expansion and biodiversity loss in African savannahs, opportunities and challenges for conservation agriculture : A review paper based on two case studies]Cotton expansion and biodiversity loss in African savannahs, opportunities and challenges for conservation agriculture : A review paper based on two case studies

Strong gradients of decreasing soil fertility are found with increasing distance from the homestead within smallholder African farms, due to differential resource allocation. As nutrient use efficiency varies strongly along these gradients, such heterogeneity must be considered when designing soi...


Tittonell, Pablo A.Vanlauwe, BernardLeffelaar, P.A.Shepherd, Keith D.Giller, Ken E.[Exploring diversity in soil fertility management of smallholder farms in western Kenya. II. Within-farm variability in resource allocation, nutrient flows and soil fertility status]Exploring diversity in soil fertility management of smallholder farms in western Kenya. II. Within-farm variability in resource allocation, nutrient flows and soil fertility status

Integrated soil fertility management (ISFM) technologies for African smallholders should consider (i) within-farm soil heterogeneity; (ii) long-term dynamics and variability; (iii) manure quality and availability; (iv) access to fertilizers; and (v) competing uses for crop residues. We used the m...


Tittonell, Pablo A.Corbeels, MarcWijk, Mark T. vanVanlauwe, BernardGiller, Ken E.[Combining organic and mineral fertilizers for integrated soil fertility management in smallholder farming systems of Kenya : Explorations using the crop-soil model FIELD]Combining organic and mineral fertilizers for integrated soil fertility management in smallholder farming systems of Kenya : Explorations using the crop-soil model FIELD

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