2023
DOI: 10.1088/2515-7620/acd6db
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Toward a better understanding of the environmental impacts of expanding farmer-led irrigation in Sub-Saharan Africa: an exploratory assessment of irrigation-induced risk of nutrient water pollution in Ethiopia

Abstract: Irrigation, and especially farmer-led irrigation, is considered to be a promising option for enhancing agricultural productivity in Sub-Saharan Africa. However, there is a lack of thorough understanding of the impacts of irrigation development on environment. Past discussions are mainly limited to the water depletion and hydrological regime change effect of irrigation. This paper presents a study to narrow the knowledge gap by assessing nutrient water pollution risk induced by the expansion of farmer-led irrig… Show more

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“…In this regard, using tied ridging, mulching, and leaching (salt-affected soils) practices are integrated with applying inorganic appropriate fertilizer source, rate, timing, and place (4Rs) to manage soil fertility in the Dry Kolla AEZ. Moreover, appropriate fertilizer use increases crop yield and nutrient-use efficiency (Xie et al 2023).…”
Section: Csa Practices In the Dry Kolla Agroecological Zonementioning
confidence: 99%
“…In this regard, using tied ridging, mulching, and leaching (salt-affected soils) practices are integrated with applying inorganic appropriate fertilizer source, rate, timing, and place (4Rs) to manage soil fertility in the Dry Kolla AEZ. Moreover, appropriate fertilizer use increases crop yield and nutrient-use efficiency (Xie et al 2023).…”
Section: Csa Practices In the Dry Kolla Agroecological Zonementioning
confidence: 99%