Your search found 5 records
1 Young, R. A. 1986. On the allocation, pricing, and valuation of irrigation water. In K. C. Nobe and R. K. Sampath, Eds., Irrigation management in developing countries: Current issues and approaches (pp. 151-178). Boulder, CO: Westview Press.
(Location: IWMI-India Call no: 631.7 G000 NOB Record No: H0988)
Reviews some economic concepts and evidence regarding the allocation, pricing, and valuation of irrigation water. Discusses some general economic considerations regarding the allocation of water, touching on the role of government. Next, the beneficiary charges in theory and practice are discussed with reference to the role of valuation and to the potential effects of various types of charging mechanisms. Alternative approaches for determining marginal value are listed and evaluated. Concludes with a review of research on irrigation water pricing and some suggestions for further research.
2 Perry, C. J.; Rock, M.; Seckler, D. 1997. Water as an economic good: a solution, or a problem? Colombo, Sri Lanka: International Irrigation Management Institute (IIMI). v, 16p. (IWMI Research Report 014 / IIMI Research Report 014) [doi: https://doi.org/10.3910/2009.014]
Water resource management ; Economic aspects ; Economic analysis ; Irrigated farming ; Water rights ; Pricing ; Privatization ; Marginal analysis ; Water market ; Water policy
(Location: IWMI-HQ Call no: IIMI 631.7.4 G000 PER, 333.91 G000 KAY Record No: H021492)
(408KB)
Discusses the potential opportunities and pitfalls of introducing market forces into the process of water allocation. Proposes several preconditions for beneficial privatization of water allocation and argues for a more sophisticated form of analysis than that generally allowed by proponents of basic needs or of free market approaches.
3 Gezahegn, T. W.; Zhu, X. 2015. Marginal value of natural water in agriculture: a study in the suburbs of Mekelle City, Ethiopia. Water Policy, 17(2):316-331. [doi: https://doi.org/10.2166/wp.2014.146]
Water resources ; Rainwater ; Suburban agriculture ; Water use ; Water policy ; Economic value ; Pricing ; Marginal analysis ; Models ; Crop production ; Wheat ; Barley ; Eragrostis tef / Ethiopia / Mekelle
(Location: IWMI HQ Call no: e-copy only Record No: H047667)
(0.24 MB)
In areas where markets for natural water are lacking, information on its marginal value can be an important tool for proper pricing to achieve efficient allocation of the resource. This article investigates the marginal value of natural water (rainwater used as a proxy) in agricultural crop production in the suburbs of Mekelle City, Ethiopia, by econometrically estimating individual value functions for three selected crops: wheat, barley, and teff (a staple food crop in Ethiopia). Results show that, on average, an additional 0.30 birr (birr ¼ Ethiopian currency: 1 euro ˜ 23 birr) worth of output is generated for each extra cubic meter of rainwater used. This result provides the marginal value (shadow price) of water in crop production at a certain point of the water cycle. It thus provides useful policy information for efficiently pricing water resources based on full-cost recovery, implying that the current tap water prices should be increased at least by 0.30 birr/m3 if the scarcity value of natural water is to be accounted for. The marginal value of natural water turned out to be the highest in teff production, suggesting that producing this crop would be the most water-efficient decision in the area.
4 Manero, A. 2017. Income inequality within smallholder irrigation schemes in Sub-Saharan Africa. International Journal of Water Resources Development, 33(5):770-787. (Special issue: The Productivity and Profitability of Small Scale Communal Irrigation Systems in South-eastern Africa). [doi: https://doi.org/10.1080/07900627.2016.1152461]
Irrigation schemes ; Smallholders ; Income distribution ; Equity ; National income ; Farm income ; Nonfarm income ; Household income ; Poverty ; Economic growth ; Gini coefficient ; Marginal analysis / Africa South of Sahara / Zimbabwe / Tanzania / Mozambique / Mkoba Irrigation Scheme / Silalabuhwa Irrigation Scheme / Kiwere Irrigation Scheme / Magozi Irrigation Scheme / 25 de Setembro Irrigation Scheme / Khanimambo Irrigation Scheme
(Location: IWMI HQ Call no: e-copy only Record No: H048112)
http://www.tandfonline.com/doi/abs/10.1080/07900627.2016.1152461?needAccess=true#aHR0cDovL3d3dy50YW5kZm9ubGluZS5jb20vZG9pL3BkZi8xMC4xMDgwLzA3OTAwNjI3LjIwMTYuMTE1MjQ2MT9uZWVkQWNjZXNzPXRydWVAQEAw
https://vlibrary.iwmi.org/pdf/H048112.pdf
https://vlibrary.iwmi.org/pdf/H048112.pdf
(1.38 MB) (1.38 MB)
Equitable income distribution is recognized as critical for poverty reduction, particularly in developing areas. Most of the existing literature is based on region- or country-wide data; fewer empirical studies exist at community levels. This article examines income disparities within six smallholder irrigation schemes in Zimbabwe, Tanzania and Mozambique, comparing inequality at local and national levels, as well as decomposing inequality by group and by source. The results present significant contrasts between schemes and compared to national figures. This evidences that, inadvertently, nation-wide strategies may overlook high inequality at smaller scales, and thus, development policies should be tailored to the specific areas of intervention.
5 Nartey, Eric Gbenatey; Cofie, Olufunke; Gebrezgabher, Solomie; Nikiema, Josiane. 2021. Crops and farmers’ response to application of fecal sludge derived - Fortifer™ in different agro-ecological zones in Ghana. Journal of Environmental Management, 293:112970. [doi: https://doi.org/10.1016/j.jenvman.2021.112970]
Fertilizer application ; Organic fertilizers ; Composts ; Faecal sludge ; Farmers' attitudes ; Crop yield ; Nutrient content ; Awareness raising ; Willingness to pay ; Marginal analysis ; Pilot farms ; Agroecological zones / Ghana / Tuba Irrigation Scheme / Annum Valley Irrigation Scheme / Kpong Irrigation Scheme / Busa / Wenchi / Tekuru / Nyangua
(Location: IWMI HQ Call no: e-copy only Record No: H050489)
(3.70 MB)
Fecal sludge (FS)-derived fertilizer material, Fortifer™ was used in farmers’ field to cultivate different crops under varying soil and agro-climatic conditions in Ghana. The aim was to (1) create awareness among smallholder farmers for widespread use of Fortifer™ (2) observe the response of crops to Fortifer™ application by farmers in different agro-ecological zones (3) obtain farmers feedback on the FS-derived product to enhance further dissemination across the country. In total 95 farmers in six locations participated in the farmer-led pilots. Fortifer™ containing up to 3.0% nitrogen, 3.6% phosphorus, 1.3% potassium and 44.3% organic matter was applied to tomato, rice, maize and pepper in comparison to inorganic fertilizers at recommended rates. Subsequently, farmers’ perception of, and willingness to use the product were studied. Crop yield was significantly higher (p = 0.05) in the Fortifer™ plots compared to the inorganic fertilizer plots for all the selected crops. Yield was 12% higher for tomato, 27% for rice and maize and 30% for pepper under the Fortifer™ plots. Farmers indicated that, nutrient content was the most important factor they consider when making fertilizer purchasing decision.
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