Water Productivity in Rainfed Agriculture (häftad)

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Format: Häftad (Paperback / softback)
Språk: Engelska
Serie: IHE Delft PhD Thesis Series
Antal sidor: 170
Utgivningsdatum: 2010-12-30
Förlag: Taylor & Francis Ltd
Dimensioner: 247 x 171 x 12 mm
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ISBN: 9780415601207

Water Productivity in Rainfed Agriculture

Name: Water Productivity in Rainfed Agriculture
Price: 1430.00 SEK
Availability: InStock
Author: Hodson Makurira
ISBN: 9780415601207

Redrawing the Rainbow of Water to Achieve Food Security in Rainfed Smallholder Systems

av Hodson Makurira

Häftad, Engelska, 2010-12-30

1430

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The challenge of water scarcity as a result of insufficient seasonal rainfall and dry spell occurrences during cropping seasons is compounded by inefficient agricultural practices by smallholder farmers where insignificant soil and water conservation efforts are applied. The hypothesis of this research is that many of the past research efforts have taken a fragmented approach to deal with the challenges facing subsistence farmers in rainfed systems. The research has been conducted in the semi-arid Makanya catchment of northern Tanzania and has successfully applied different analytical techniques to better understand soil and water interactions at field scale. It has been demonstrated that there is indeed scope to increase crop water productivity provided the local farmers adopt more efficient cultivation techniques. Substantial yield increases occur as a result of diverting runoff and these further improve when other techniques such as ripping, application of manure and cover cropping are introduced. This confirms that no single solution exists to solve the problem of low yields in rainfed farming systems. However, even with these promising results, the research has shown that there is room to further improve the efficiency of crop water use through improvement in research approaches and exploration of better techniques.

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Hodson Makurira obtained his BSc in Civil Engineering from the University of Zimbabwe and his MSc from the International Institute for Infrastructural, Hydraulic and Environmental Engineering (now UNESCO-IHE) in Delft, The Netherlands. He worked as a water resources engineer for the Ministry of Water Resources and Development and for the Zimbabwe National Water Authority. He is currently a lecturer at the University of Zimbabwe and involved in several educational and research development programmes. His subjects of expertise are improving livelihoods for semi-arid rainfed environment communities, mitigation of dry spells on crop productivity and water partitioning processes at field scale and the linking to crop productivity.