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W. Riwa

Observed names: Riwa, William, W Riwa
OpenAlex ID: A5044801171
Announcement
1989 · B. M. Mvumi, T. E. Stathers, et al. · International Journal of Tropical Insect Science · 134
Do diatomaceous earths have potential as grain protectants for small-holder farmers in sub-Saharan Africa? The case of Tanzania
2007 · T.E. Stathers, W. Riwa, et al. · Crop Protection · 48
Can ‘bad’ years for damage by Prostephanus truncatus be predicted?
2002 · L.A Birkinshaw, R.J Hodges, et al. · Crop Protection · 26
Innovation Africa
2012 · Mvumi, Brighton M., Morris, Mike, et al. · Routledge eBooks · 12
Comparative insecticidal efficacy of five raw African diatomaceous earths against three tropical stored grain Coleopteran pests: Sitophilus zeamais, Tribolium castaneum and Rhyzopertha dominica.
2006 · Brighton M. Mvumi, T. Stathers, et al. · 8
Farmers' livelihoods: What role for grain protection?
2005 · T. Stathers, M. Morris, et al. · 5
CPHP impact matrix: Small-scale farmer utilisation of diatomaceous earths during storage project R8179. Natural Resources Institute (NRI), Chatham, UK. 5 pp.
2005 · T. Stathers, W. Riwa, et al. · 3
Could fossil dusts be an option for increasing food security in sub-Saharan Africa?
2004 · T. Stathers, W. Riwa, et al. · 2
Post-harvest innovation: Enhancing performance at the interface of supply and utilisation
2006 · Mike Morris, Brighton M. Mvumi, et al. · 1
DE project team's notes to Television for the Environment (TVE): Information for film crew interested in including material about the project in their Hands On series.
2005 · T. Stathers, W. Riwa, et al. · 1
Small-Scale Farmer Utilisation of Diatomaceous Earths During Storage
2005 · T. Stathers, W. Riwa, et al. · 1
Small-scale farmer utilisation of diatomaceous earths during storage project R8179: An institutional history.
2005 · M. Morris, T. Stathers, et al. · 1
Farmer assessment of grain protection trials in Tanzania: Report of a participatory evaluation of the 2002/2003 storage season diatomaceous earth grain protection trials by farmers in the five trial sites in Shinyanga, Dodoma and Manyara regions of Tanzania. Natural Resources Institute (NRI), Chatham, UK.
2005 · T. Stathers, W. Riwa, et al. · 1
Farmer post-harvest decision making: Guidelines for interviewing farmers. Natural Resources Institute (NRI), Chatham, UK.
2005 · M. Morris, T. Stathers, et al. · 1
Meeting to engage the private sector and other stakeholders in the registration and promotion of diatomaceous earths as grain protectants in Tanzania.
2005 · W. Riwa, M. Morris, et al. · 1
Comparative insecticidal efficacy of five raw African DE samples against the stored grain insect pests, Sitophilus zeamais and Tribolium castaneum
2005 · Brighton M. Mvumi, T. Stathers, et al. · 1
Awareness raising and information about the diatomaceous earth research work in Tanzania. National meeting of Tanzanian IPM stakeholders. IPM Stakeholder Workshop, Arusha. 15-16 April 2003 [national]
2004 · W. Riwa, L. Kitandu, et al. · 1
Process monitoring and evaluation by the DE project team. Report of the PM and E workshop and associated activities organised by the Plant Health Services, the Post Harvest Management Services, the Natural Resources Institute (UK) and the University of Zimbabwe on the 19 October 2003 at the Royal Hotel, Babati, Tanzania
2004 · M. Morris, W. Riwa, et al. · 1
Jarida Maridhawa, la Star TV. 30 minute programme about diatomaceous earths and the trials in Mwamakarange village, Shinyanga region. TV recording. "Star TV" Tanzania. 11 August 2003. (1930hrs - 2000hrs) 30 minutes. Kiswahili [national]
2004 · W. Riwa, L. Kitandu, et al. · 1
Diatomaceous earth grain protectant trials in Shinyanga, feature about diatomaceous earths, small-scale protection with farmer interviews. TV recording. "Star TV" Tanzania. 8 August 2003 (Farmers day Nane nane) and 9 August 2003. (2055hrs and 0600hrs) 5 minutes shown 3 times. Kiswahili [national].
2004 · W. Riwa, L. Kitandu, et al. · 1
Small-scale farmer utilisation of diatomaceous earths during storage: could fossil dusts be an option for increasing food security in sub-Saharan Africa?
2004 · T. Stathers, Michael L. Morris, et al. · 1
Diatomaceous earths and their potential in Tanzania, update on grain storage trials. Oral presentation at the IPM Project Annual Review Meeting, Bagamoyo, Tanzania, 10-12 December 2002. 15 participants (all Plant Health Services Heads of Units and Zonal Co-ordinators) [English]
2003 · W. Riwa, L. Kitandu, et al. · 1
Small-scale farmer utilisation of diatomaceous earths during grain storage.
2002 · T. Stathers, M. J. R. Morris, et al. · 1
Post harvest innovation: enhancing performance at the interface of supply and utilisation. Project Final Report.
2006 · M. J. R. Morris, B.M. Mvumi, et al.
Small-scale farmer utilisation of Diatomaceous Earths (DEs) during grain storage: Project Newsletter. Issue No. 3.
2005 · Brighton M. Mvumi, T. Stathers, et al.
Works count: 50
Citation count: 253
H-index: 5
I10-index: 4
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