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In Kenya, the below-ground biodiversity (BGBD) project selected two benchmark sites for the inventory of soil biota; these included the Irangi and Ngangao forest sites in the Mount Kenya region of Embu District and the Taita Hills area of Taita Taveta District. The areas selected by the project w...


Muya, EAKaranja, NOkoth, Peter F.Roimen, HMung'atu, Joseph K.Mutsotso, BThuranira, EG[Comparative description of land use and characteristics of belowground biodiversity benchmark sites in Kenya = Descripción comparativa de usos del suelo y características de la diversidad del subsuelo en sitios empleados como referencia en Kenia]Comparative description of land use and characteristics of belowground biodiversity benchmark sites in Kenya = Descripción comparativa de usos del suelo y características de la diversidad del subsuelo en sitios empleados como referencia en Kenia
Autor: Gichuru, M.

Continuous cropping in humid forest ecosystems results in soil fertility decline over time. The presence of appropriate tree or shrub species in the natural bush regrowth during a fallow can enhance recovery of soil fertility and shorten the fallow period required. Planted Tephrosia candida, a le...


Gichuru, M.[Regeneration of a degraded ultisol with Tephrosia candida in the humid zone of southeastern Nigeria]Regeneration of a degraded ultisol with Tephrosia candida in the humid zone of southeastern Nigeria

Organic mulch is beneficial to plantain because it maintains soil fertility, prevents erosion and suppresses weeds. Mulch availability is however a major constraint. Mulching in a cut-and-carry system withPennisetum purpureum Schum. (elephant grass) was compared with mulching with the prunings of...


Ruhigwa, B.Gichuru, M.Spencer, D.Swennen, R.[Economic analysis of cutandcarry, and alley cropping systems of mulch production for plantains in southeastern Nigeria]Economic analysis of cutandcarry, and alley cropping systems of mulch production for plantains in southeastern Nigeria

MacCarthy, Dilys S.Kihara, JobMasikati, PatriciaAdiku, Samuel G.K.[Decision support tools for site-specific fertilizer recommendations and agricultural planning in selected countries in sub-Sahara Africa]Decision support tools for site-specific fertilizer recommendations and agricultural planning in selected countries in sub-Sahara Africa

Margenot, Andrew J.Sommer, RolfParikh, Sanjai J.[Soil Phosphatase Activities across a Liming Gradient under Long-Term Managements in Kenya]Soil Phosphatase Activities across a Liming Gradient under Long-Term Managements in Kenya

Soybean grain yields in sub-Saharan Africa have remained at approximately 50% below those attained in South America despite numerous efforts. A study was conducted in Siaya County (western Kenya) involving 107 farms with soils of different fertility status. The main objective was to test combinat...


Thuita, Moses N.Vanlauwe, BernardMutegi, E.Masso, C.[Reducing spatial variability of soybean response to rhizobia inoculants in farms of variable soil fertility in Siaya County of western Kenya]Reducing spatial variability of soybean response to rhizobia inoculants in farms of variable soil fertility in Siaya County of western Kenya

Farm-level use of organic fertilizer could be influenced by development domains that comprise human population density and markets access. Analysis of 320 farm households from 16 geo-referenced villages provided the basis for assessing farm-level limitations and potentials for organic agriculture...


Olayide, O.E.Ikpi, A.E.Alene, Arega D.Akinyosoye, V.[Assessing farm-level limitations and potentials for organic agriculture by agro-ecological zones and development domains in Northern Nigeria of West Africa]Assessing farm-level limitations and potentials for organic agriculture by agro-ecological zones and development domains in Northern Nigeria of West Africa

Cassava yields obtained from farmers' fields in Nigeria during the Collaborative Study of Cassava in Africa (COSCA) survey gave an average root yield of 14.5 t/ha and an average harvest index of about 0.56. The average root yields from both the sub humid and non humid zones were the same but sign...


Asadu, C.L.A.Nweke, F.I.[Impact of agroecology on soil fertility status and cassava yield in Nigeria: II: contributions of soil properties to cassava yield variations]Impact of agroecology on soil fertility status and cassava yield in Nigeria: II: contributions of soil properties to cassava yield variations

Major constraints to banana (Musa spp., genome group AAA) production, a dietary staple for over 70 million people in sub-Saharan Africa, are pest infestations, poor nutrition and inadequate water. Although mulch can improve soil water and nutrient status, many farmers believe it also promotes the...


McIntyre, B.D.Gold, C.S.Ssali, H.Riha, S.J.[Effects of mulch location on banana weevil, nutrients, soil water, and biomass in banana]Effects of mulch location on banana weevil, nutrients, soil water, and biomass in banana

Conservation projects have often been criticised for creating global benefits while causing negative impacts on local livelihoods. Ecosystem services approaches have been seen as one way to change this by focussing explicitly on maintaining ecosystems for human well-being of stakeholders at vario...


Byg, A.Novo, P.Dinato, M.Moges, A.Tefera, T.Balana, Bedru B.Woldeamanuel, T.Black, H.[Trees, soils, and warthogs - distribution of services and disservices from reforestation areas in southern Ethiopia]Trees, soils, and warthogs - distribution of services and disservices from reforestation areas in southern Ethiopia

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