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1 Stirzaker, R.; Mbakwe, I.; Mziray, N. R. 2017. A soil water and solute learning system for small-scale irrigators in Africa. International Journal of Water Resources Development, 33(5):788-803. (Special issue: The Productivity and Profitability of Small Scale Communal Irrigation Systems in South-eastern Africa). [doi: https://doi.org/10.1080/07900627.2017.1320981]
Irrigation schemes ; Small scale systems ; Soil water ; Experiential learning ; Equipment ; Soil moisture ; Soil salinity ; Sensors ; Colour patterns ; Social participation ; Farmers ; Water conservation ; Irrigation scheduling ; Crops ; Constraints / Africa South of Sahara / Zimbabwe / Mozambique / Tanzania / Kiwere Irrigation Scheme / Silalatshani Irrigation Scheme / Mkoba Irrigation Scheme / Boane Irrigation Scheme / Khanimambo Irrigation Scheme
(Location: IWMI HQ Call no: e-copy only Record No: H048144)
http://www.tandfonline.com/doi/abs/10.1080/07900627.2017.1320981?needAccess=true#aHR0cDovL3d3dy50YW5kZm9ubGluZS5jb20vZG9pL3BkZi8xMC4xMDgwLzA3OTAwNjI3LjIwMTcuMTMyMDk4MT9uZWVkQWNjZXNzPXRydWVAQEAw
https://vlibrary.iwmi.org/pdf/H048144.pdf
https://vlibrary.iwmi.org/pdf/H048144.pdf
(1.65 MB) (1.65 MB)
Better yields of high-value crops are necessary for a profitable irrigation industry in sub-Saharan Africa. We introduced two simple tools, the Chameleon soil moisture sensor and the FullStop wetting front detector, which represent soil water, nitrate and salt levels in the soil by displaying different colours. These tools form the basis of an experiential learning system for small-scale irrigators. We found that farmers quickly learned from the tools and changed their management within a short time. The cost of implementing a learning system would be a small fraction of that of building or revitalizing irrigation schemes.
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