Universität zu Köln

Khalifa, Muhammad ORCID: 0000-0002-3100-9353, Elagib, Nadir Ahmed, Ahmed, Bashir Mohammed, Ribbe, Lars ORCID: 0000-0003-3052-1782 and Schneider, Karl ORCID: 0000-0002-4381-2151 . Exploring socio-hydrological determinants of crop yield in under-performing irrigation schemes: pathways for sustainable intensification. Hydrol. Sci. J.-J. Sci. Hydrol.. ABINGDON: TAYLOR & FRANCIS LTD. ISSN 2150-3435

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Abstract

Understanding the human-water-food-climate nexus is central to achieving sustainable intensification (SI) in agriculture. This research uses a socio-hydrological approach to understand the underpinning for implementing SI in the Gezira Irrigation Scheme, Sudan, by integrating vegetation indices derived from remote sensing, ancillary, gridded soil and precipitation data, supplemented by interviews with 393 farmers. The productivity gap was estimated as the difference between the potential and actual productivities. Based upon data on farmers' socio-economic status and field practices, a regression tree model was built to determine the factors that control the sorghum yield. The model revealed that the financial status of farmers and access to water are the most influential factors on sorghum yield. A conceptual framework that elucidates SI and its bi-directional feedback to the environment, society and the economy is proposed. Implementing SI in the scheme has implications on water and food security in Sudan and beyond its borders.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Khalifa, Muhammad UNSPECIFIED orcid.org/0000-0002-3100-9353 UNSPECIFIED Elagib, Nadir Ahmed UNSPECIFIED UNSPECIFIED UNSPECIFIED Ahmed, Bashir Mohammed UNSPECIFIED UNSPECIFIED UNSPECIFIED Ribbe, Lars UNSPECIFIED orcid.org/0000-0003-3052-1782 UNSPECIFIED Schneider, Karl UNSPECIFIED orcid.org/0000-0002-4381-2151 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-127161
DOI:	10.1080/02626667.2019.1688333
Journal or Publication Title:	Hydrol. Sci. J.-J. Sci. Hydrol.
Publisher:	TAYLOR & FRANCIS LTD
Place of Publication:	ABINGDON
ISSN:	2150-3435
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language FOOD SECURITY; DROUGHT RISK; BULK-DENSITY; SATELLITE; WATER; SOIL; ANTHROPOCENE; AGRICULTURE; EFFICIENCY; PRODUCTS Multiple languages Water Resources Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/12716