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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

Declining soil fertility is a major cause of low per capita food production on smallholder farms of sub-Saharan Africa. This study attempted to provide an empirical explanation of the factors associated with farmers’ decisions to adopt or not to adopt newly introduced integrated soil fertility ma...


Mugwe, JMugendi, DNMucheru-Muna, M.Merckx, R.Chianu, J.N.Vanlauwe, Bernard[Determinants of the decision to adopt integrated soil fertility management practices by smallholder farmers in the central highlands of Kenya]Determinants of the decision to adopt integrated soil fertility management practices by smallholder farmers in the central highlands of Kenya

The food price crisis has led to assumptions that food price rises are due to inadequate food production, and that such food insecurity is linked to seed insecurity. Hence, in response to high food prices, seed resources worth hundreds of millions of US dollars are being shipped into vulnerable f...


McGrath, S.Sperling, L.[The links between food security and seed security and seed security : facts and fiction that guide response]The links between food security and seed security and seed security : facts and fiction that guide response

Social capital has become a critical issue in agricultural development as it plays an important role in collective action, such as, management of common resources and collective marketing. Whilst literature exists on the role of social capital in the use and adoption of improved agricultural tech...


Njuki, JemimahMapila, MTZingore, ShamieDelve, Robert J.[The dynamics of social capital in influencing use of soil management options in the Chinyanja Triangle of southern Africa]The dynamics of social capital in influencing use of soil management options in the Chinyanja Triangle of southern Africa
Thro, Ann MarieSpillane, CharlesGinés, CMJSperling, L.[Issues in biotechnology-assisted participatory plant breeding]Issues in biotechnology-assisted participatory plant breeding

Kizito, FredKihara, JobBekunda, Mateete A.Smith, GeorginaOdhong, Jonathan[Towards a food secure future: Sharing our research with farmers in Babati District, Tanzania]Towards a food secure future: Sharing our research with farmers in Babati District, Tanzania
Mponela, PowellTamene, LulsegedNdengu, GiftMagreta, RuthKihara, JobMango, Nelson[Determinants of integrated soil fertility management technologies adoption by smallholder farmers in the Chinyanja Triangle of Southern Africa]Determinants of integrated soil fertility management technologies adoption by smallholder farmers in the Chinyanja Triangle of Southern Africa

Demands for food and fiber are increasing at a faster rate than supply in the medium and high altitude zones of Eastern Africa, while the productivity of the land is apparently declining. In many cases, productivity is constrained primarily by insufficient nutrient supply. To meet future demands ...


Wortmann, Charles S.[Research for sustainable agricultural production systems in high altitude zones of Eastern Africa]Research for sustainable agricultural production systems in high altitude zones of Eastern Africa
Reátegui del Aguila, KGutiérrez Arrese, W.Loker, WM[Pastos mejorados en fincas de la amazonía peruana]Pastos mejorados en fincas de la amazonía peruana
Miller, CPLascano, Carlos E.[Investigación sobre ganado y pasturas fuera de la estación experimental]Investigación sobre ganado y pasturas fuera de la estación experimental

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