Your search found 2 records
1 Ncube, B.; Magombeyi, M.; Munguambe, P.; Mupangwa, W.; Love, D. 2009. Methodologies and case studies for investigating upstream-downstream interactions of rainwater water harvesting in the Limpopo Basin. In Humphreys, E.; Bayot, R. S. (Eds.). Increasing the productivity and sustainability of rainfed cropping systems of poor smallholder farmers: proceedings of the CGIAR Challenge Program on Water and Food, International Workshop on Rainfed Cropping Systems, Tamale, Ghana, 22-25 September 2008. Colombo, Sri Lanka: CGIAR Challenge Program on Water and Food. pp.209-221.
Water harvesting ; Models ; Supplemental irrigation ; River basins / South Africa / Mozambique / Zimbabwe / Limpopo Basin
(Location: IWMI HQ Call no: 631 G000 HUM Record No: H042441)
(8.92MB)
Rainwater harvesting (RWH) is a promising technology for increasing water availability for crop production of smallholder farmers in the semi-arid regions of the Limpopo Basin. A few studies on rainwater harvesting have been conducted in the basin at small plot and farmer field scales. Results from Mozambique, Zimbabwe and South Africa indicate substantial benefits to crops grown using a range of rainwater harvesting techniques. However, there have been no catchment and basin level studies to investigate the impacts of wide scale adoption at these levels. A methodology flow chart is proposed for systematically investigating the impacts of out-scaling of these in-field and ex-field rainwater harvesting techniques. The method proposes an analysis of levels of adoption to help identify optimum levels that will maximize land and water productivity while minimizing negative hydrological and ecological impacts at catchment or basin scales.
2 Mutenje, M. J.; Farnworth, C. R.; Stirling, C.; Thierfelder, C.; Mupangwa, W.; Nyagumbo, I. 2019. A cost-benefit analysis of climate-smart agriculture options in Southern Africa: balancing gender and technology. Ecological Economics, 163:126-137. [doi: https://doi.org/10.1016/j.ecolecon.2019.05.013]
Climate-smart agriculture ; Cost benefit analysis ; Gender ; Women's participation ; Households ; Decision making ; Technology transfer ; Climate change adaptation ; Conservation agriculture ; Smallholders ; Farmers ; Agroecological zones ; Models / Southern Africa / Malawi / Mozambique / Zambia
(Location: IWMI HQ Call no: e-copy only Record No: H049486)
(0.72 MB)
Climate change and extreme weather events undermine smallholder household food and income security in southern Africa. Climate Smart Agriculture (CSA) technologies comprise a suite of interventions that aim to sustainably increase productivity whilst helping farmers adapt their farming systems to climate change and to manage risk more effectively. Cost-benefit analysis (CBA) and a mixed methods approach were used to assess the likelihood of investment in various CSA technology combinations. The data were drawn respectively from 1440, 696, and 1448 sample households in Malawi, Mozambique and Zambia, covering 3622, 2106 and 5212 maize-legume plots in these countries over two years. The cost-benefit analysis and stochastic dominance results showed that CSA options that combined soil and water conservation management practices based on the principles of conservation agriculture (CA), improved varieties, and associations of cereal-legume crop species were economically viable and worth implementing for risk averse smallholder farmers. A dynamic mixed multinomial logit demonstrated that women's bargaining power, drought shock, and access to CSA technology information positively influenced the probability of investing in CSA technology combinations. This study provides evidence of the importance of cultural context, social relevance and intra-household decision-making in tailoring suitable combinations of CSA for smallholder farmers in southern Africa.
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