Factoring labour when comparing in situ rainwater harvesting technologies for semi-arid areas of central Tanzania

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dc.creatorSwai, E.
dc.creatorMwinuka, L.
dc.creatorShitindi, M.J.
dc.creatorManda, J.
dc.creatorWhitbread, Anthony M.
dc.creatorBekunda, Mateete A.
dc.date2023-11-10
dc.date2023-03-01T10:46:38Z
dc.date2023-03-01T10:46:38Z
dc.date.accessioned2026-06-27T16:00:53Z
dc.descriptionErratic rainfall, high evapotranspiration rates and droughts are major factors limiting crop production in semi-arid areas. Tied ridges that have crossed ties within the furrow are among the physical soil and water conservation measures. During the 2018/19 and 2019/20 seasons, we examined the efficacy of repaired tied ridges for maize crop (Zea mays) and sorghum (Sorghum bicolor) in Kongwa district of Tanzania as an alternate labour saving strategy for managing climate risks associated with variable rainfall. Treatments consisted of three tillage methods: conventional tillage (CT) which involved the preparation of a flat seedbed using handhoe, annually constructed tied ridges (ATR) and tied ridges that had been constructed during the previous season and had been repaired (residual tied ridges–RTR). Data were collected on labour requirements and crop performance. RTR increased economic returns by 29% and 80% over ATR and CT, respectively. Maize grain yield shows a trend of RTR >ATR>CT with values ranging from 2465 kg ha−1 to 4185 kg ha−1 (P < 0.01). While tillage and/or variety did not influence sorghum grain yield significantly (P > 0.05). The use of RTR is recommended because of low labour requirements and greater economic benefits than CT and ATR under maize cropping systems.
dc.identifierhttps://hdl.handle.net/10568/129142
dc.identifier.urihttp://hdl.handle.net/123456789/120052
dc.languageen
dc.publisherInforma UK Limited
dc.rightsLimited Access
dc.sourceSwai, E., Mwinuka, L., Shitindi, M.J., Manda, J., Whitbread, A. & Bekunda, M. (2023). Factoring labour when comparing in situ rainwater harvesting technologies for semi-arid areas of central Tanzania. Archives of Agronomy and Soil Science, 1-14.
dc.subjectridge till
dc.subjectlabour
dc.subjecteconomic benefits
dc.subjectrain
dc.subjectsemiarid zones
dc.subjecttanzania
dc.titleFactoring labour when comparing in situ rainwater harvesting technologies for semi-arid areas of central Tanzania
dc.typeJournal Article

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Instituto Internacional de Agricultura Tropical (IITA)