Agricultural Soil and Water Conservation Issues in East Africa

Rakotovao, Narindra H.; Razafimbelo, Tantely; Razakamanarivo, Herintsitohaina; Hewson, Jenny; Andriamananjara, Andry; Ndour, Yacine Badiane; Sall, Saïdou Nourou; Sabir, Mohamed; Aholoukpè, Hervé; Amadji, Lucien Guillaume; Balarabé, Oumarou; Hien, Edmond; Olina, J. P.; Koné, Armand W.; Abgassi, Adoum; Albrecht, Alain; Brossard, Michel; Bernoux, Martial

doi:10.1007/978-981-16-7916-2_4

Cited by 3 publications

(3 citation statements)

References 61 publications

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“…On the other hand, there is a bias in the Northern Hemisphere cities to "water" (51.8%) and "energy" (26.2%) while the Southern Hemisphere cities are converging more on "water" (48.6%) and "food" (27.6%). Not surprisingly, because the Southern Hemisphere cities do not meet the food self-su ciency requirement (Zizipho, 2022), they tend to emphasize food production and water supply (Rakotovao et al, 2022), especially with the increasing negative impacts of climate change on water availability and food security in the region.…”

Section: Global Contrast: Bias Towards the Northern Hemispherementioning

confidence: 99%

Water-Food-Energy Nexus in Global Cities: Addressing Complex Urban Interdependencies

Hachaichi

Egieya

2023

Water Resour Manage

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Understanding how water, food, and energy interact in the form of the water-food-energy (WFE) nexus is essential for sustainable development which advocates enhancing human well-being and poverty reduction. Moreover, the application of the WFE nexus has seen diverse approaches to its implementation in cities across the globe. There is a need to optimize knowledge sharing to improve urban information exchange focused on the WFE nexus' application and impact on the UN Sustainable Development Goals. In this study, Natural language processing (NLP) and a nity propagation algorithm are employed to explore and assess the application of the WFE nexus on a regional basis as well as at city levels. The results show that after the exhaustive search of a database containing 32,736 case studies focusing on 2,233 cities, cities with the most potential to encounter resource shortages (i.e. WFE limitation) are systematically underrepresented in literature (African and Latin American cities). Hence, with regional and topic bias, there is a potential for more mutual learning links between cities that can increase WFE nexus policy exchange between Northern and Southern hemispheres through bottom-up case-study knowledge. In addition, this study shows that Southern hemisphere cities can bene t from knowledge transfer because of their limited urban intelligence programs.

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Section: Global Contrast: Bias Towards the Northern Hemispherementioning

confidence: 99%

Water-Food-Energy Nexus in Global Cities: Addressing Complex Urban Interdependencies

Hachaichi

Egieya

2023

Water Resour Manage

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Section: Helm For Global Sustainability: Mapping Wfe Nexus Knowledge ...mentioning

confidence: 99%

Water-food-energy nexus in global cities: solving urban challenging interdependencies together

Hachaichi¹,

Egieya

2022

Preprint

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Understanding how water, food, and energy interact in the form of the water-food-energy (WFE) nexus is essential for sustainable development which advocates enhancing human well-being and poverty reduction. Moreover, the application of the WFE nexus has seen diverse approaches to its implementation in cities across the globe. There is a need to optimize knowledge sharing to improve urban information exchange focused on the WFE nexus’ application and impact on the UN Sustainable Development Goals. In this study, Natural language processing (NLP) and affinity propagation algorithm are employed to explore and assess the application of the WFE nexus on a regional basis as well as at city levels. The results show that after the exhaustive search of a database containing 32,736 case studies focusing on 2,233 cities, cities with the most potential to encounter resource shortages (i.e. WFE limitation) are systematically underrepresented in literature (African and Latin American cities). Hence, with regional and topic bias, there is a potential for more mutual learning links between cities that can increase WFE nexus policy exchange between Northern and Southern hemispheres through bottom-up case-study knowledge. In addition, this study shows that Southern hemisphere cities can benefit from knowledge transfer because of their limited urban intelligence programs.

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“…Therefore, rice farming currently faces certain problems, such as water scarcity, degradation of water and soil quality, degradation of soil fertility, etc. [10][11][12][13]. Flooding irrigation with a water depth of 5-10 cm, widely practiced throughout the world for rice production, and continuous flooding are key factors responsible for the depletion of resources and the decreased performance recorded under rice irrigation schemes [14].…”

Section: Introductionmentioning

confidence: 99%

Water Management for Sustainable Irrigation in Rice (Oryza sativa L.) Production: A Review

et al. 2023

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In the face of the negative impacts of climate change and the accelerated growth of the global population, precision irrigation is important to conserve water resources, improve rice productivity and promote overall efficient rice cultivation, as rice is a rather water-intensive crop than other crops. For several decades, various water conserving technologies have been studied in order to significantly increase water use efficiency (WUE). The objective of this paper is to review the main technologies and approaches for assessing the water requirements of rice crop in order to contribute to water saving in irrigated rice production, after clarifying the performance indicators of the irrigated systems. Several scientific articles from previous studies were consulted and analyzed. These studies showed that irrigation water conservation includes a wide range of practices, staring from the crop irrigation water requirements assessment to the implementation of the water saving practices on the field. In addition, irrigation water conservation technologies could be categorized into three groups, namely water-conserving irrigation systems, water-saving irrigation methods, and water-conserving agronomic practices. The influence of the individual and combined irrigation water use efficiency tools was highlighted. This paper will enable researchers to acquire knowledge on water-saving methods for estimating the rice crop water requirements and thus allow them to effectively contribute to improve the performance of irrigated rice cultivation systems using various water conservation technologies.

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Agricultural Soil and Water Conservation Issues in East Africa

Cited by 3 publications

References 61 publications

Water-Food-Energy Nexus in Global Cities: Addressing Complex Urban Interdependencies

Water-Food-Energy Nexus in Global Cities: Addressing Complex Urban Interdependencies

Water-food-energy nexus in global cities: solving urban challenging interdependencies together

Water Management for Sustainable Irrigation in Rice (Oryza sativa L.) Production: A Review

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