2018
DOI: 10.1002/ird.2238
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A Comparative Analysis of Yield Gaps and Water Productivity on Smallholder Farms in Ethiopia, South Africa and Tunisia

Abstract: Agriculture in developing countries will have to transform and increase production by an estimated 70% in order to meet demands by 2050. Although well‐managed commercial farms offer little manoeuvring space for increasing agricultural water productivity, smallholder farms usually operate at low input costs and therefore provide ample opportunities to reduce the potential yield gap through agricultural intensification. The aim of this paper is to analyse and compare yields and water productivities obtained in f… Show more

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Cited by 20 publications
(13 citation statements)
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“…The farmers' decisions and crop prices are endogenous in how cropland areas do not respond to rainfall variations, but instead, farmers shift from one crop to another. This demonstrates the sociohydrological complexity of the smallholder farming system (Pande and Savenije, 2016;Niles and Brown, 2017;Jovanovic et al, 2020;Lyu et al, 2020a;Pande et al, 2020). The interviews corroborate that the farmers decide on the types of crops to grow every season based on their prediction of rainfall using traditional rainfall prediction practices (Balehegn et al, 2019;Wedajo et al, 2019).…”
Section: Discussionmentioning
confidence: 57%
“…The farmers' decisions and crop prices are endogenous in how cropland areas do not respond to rainfall variations, but instead, farmers shift from one crop to another. This demonstrates the sociohydrological complexity of the smallholder farming system (Pande and Savenije, 2016;Niles and Brown, 2017;Jovanovic et al, 2020;Lyu et al, 2020a;Pande et al, 2020). The interviews corroborate that the farmers decide on the types of crops to grow every season based on their prediction of rainfall using traditional rainfall prediction practices (Balehegn et al, 2019;Wedajo et al, 2019).…”
Section: Discussionmentioning
confidence: 57%
“…Within EAU4Food, local participatory experiments were accompanied by traditional disciplinary studies in order to provide further insight into specific problems. Relevant multidisciplinary efforts presented in this special issue are: (i) comparison of crop water productivity (Jovanovic et al ., ); (ii) examination of yield response in relation to different irrigation and fertilization scheduling scenarios under varying climatic conditions (Albasha et al ., ); (iii) simulation of better irrigation scheduling (Habtu et al ., ); (iv) advancing methods to extend life cycle analyses (LCAs) at territory scale (Pradeleix et al ., ). Despite the integrated CoP–LPA approach applied in EAU4Food, realizing an uptake of results from such in‐depth studies in the design and execution of farmer‐led experiments was not achieved within the 4‐year project lifetime.…”
Section: Integration Of Results From Different Disciplines Classicalmentioning
confidence: 99%
“…Therefore, the well-being status of the respondents may be negatively affected by these constraints. Since the 1st and 2nd ranked constraints are not related to irrigation water, Jovanovic et al (2019) emphasised that providing access to irrigation water by itself is not enough, as smallholders also require a broad range of support services (Devaux et al 2018;Diawara et al 2018) (access to inputs, credit, and output markets) in order to achieve economic viability in small-scale irrigation schemes. Additionally, the least constraint experienced by farmers utilising small scale irrigation systems and those not utilising small scale irrigation systems was lack of marketing information ( =1.21), which could be as a result of poor agricultural extension information delivery in the study area.…”
Section: Types and Frequency Of Small-scale Irrigation Systems Used By Women Farmersmentioning
confidence: 99%