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The use of Sesbania (Sesbania rostrata) and urea in lowland rice production in Sierra Leone

dc.contributor.authorBar, A.R.
dc.contributor.authorBaggie, I.
dc.contributor.authorSanginga, N.
dc.date.accessioned2019-12-04T11:21:09Z
dc.date.available2019-12-04T11:21:09Z
dc.date.issued2000
dc.identifier.citationBar, A.R., Baggie, I. & Sanginga, N. (2000). The use of Sesbania (Sesbania rostrata) and urea in lowland rice production in Sierra Leone. Agroforestry Systems, 48(2), 111-118.
dc.identifier.issn0167-4366
dc.identifier.urihttps://hdl.handle.net/20.500.12478/3686
dc.description.abstractThe suitability of sesbania (Sesbania rostrata) as green manure for lowland rice was evaluated in the Inland Valley Swamp (IVS) of Sierra Leone, and attempts were made to identify appropriate methods of its management in combination with urea. Sesbania — rice intercropping and sesbania — rice rotation treatments were compared with 60 kg N ha−1 applied in two splits and 30 kg N ha−1 as basal or top dressed to rice grown in the two cropping systems. The 15N isotope dilution technique was used to quantify N uptake from the green manure and urea and its utilization by rice. Rotating 40–50 days old sesbania two days prior to transplanting and top dressing with 30 kg N ha−1 as urea at nine weeks after transplanting gave highest rice grain yield (121% over the control without sesbania and urea). However intercropping sesbania with rice tended to increase N uptake and N fertilizer utilization more than the rotation treatments. The higher grain yield of rice in rotation despite lower N uptake than intercropping shows that other effects than only N explain the beneficial effect of sesbania on rice.
dc.description.sponsorshipInternational Foundation for Science
dc.language.isoen
dc.subjectAcacia Nilotica Spp Tomentosa
dc.subjectBiomass Provenance
dc.subjectGrowth Variability
dc.subjectSample Size
dc.subjectSeed Size
dc.subjectSesbania
dc.subjectRice Production
dc.subjectFarmers
dc.subjectFood Crop
dc.subjectCropping Systems
dc.titleThe use of Sesbania (Sesbania rostrata) and urea in lowland rice production in Sierra Leone
dc.typeJournal Article
dc.description.versionPeer Review
cg.contributor.affiliationRice Research Station, Sierra Leone
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.coverage.regionAfrica
cg.coverage.regionWest Africa
cg.coverage.countrySierra Leone
cg.coverage.countryNigeria
cg.isijournalISI Journal
cg.authorship.typesCGIAR and developing country institute
cg.iitasubjectFood Security
cg.iitasubjectCrop Husbandry
cg.iitasubjectFarm Management
cg.iitasubjectNutrition
cg.iitasubjectLivelihoods
cg.iitasubjectPlant Production
cg.iitasubjectHandling, Transport, Storage And Protection Of Agricultural Products
cg.iitasubjectAgribusiness
cg.iitasubjectCapacity Development
cg.iitasubjectSmallholder Farmers
cg.accessibilitystatusLimited Access
local.dspaceid95841


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