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dc.contributorAl-Shater, Tameren_US
dc.contributorBoughlala, Mohameden_US
dc.contributorBishaw, Zewdieen_US
dc.contributorNiane, Abdoul Azizen_US
dc.contributorMaalouf, Fouaden_US
dc.contributorTadesse, Wuletawen_US
dc.contributorWery, Jacquesen_US
dc.contributorBoutfirass, Mohameden_US
dc.contributorAw-Hassan, Aden A.en_US
dc.creatorYigezu, Yigezuen_US
dc.identifier.citationYigezu Yigezu, Tamer Al-Shater, Mohamed Boughlala, Zewdie Bishaw, Abdoul Aziz Niane, Fouad Maalouf, Wuletaw Tadesse, Jacques Wery, Mohamed Boutfirass, Aden A. Aw-Hassan. (12/12/2019). Legume-based rotations have clear economic advantages over cereal monocropping in dry areas. Agronomy for Sustainable Development, 39.en_US
dc.description.abstractCurrent land use trends show an increasing preference for monocropping – mostly a consequence of policies and incentives aimed at enhancing the intensification of cereals. This shift has caused some to question whether legume–cereal rotations can remain economically viable options for farmers, particularly in the dry areas. In this paper, we present the results of an endogenous switching regression model which suggests, for the first time, that legume–cereal rotations have clear economic advantages over cereal monocropping. Rotations provide higher yields, gross margins, and consumption of wheat and faba beans. Most past economic analyses on rotation used data from experimental stations or small-sized farmer surveys covering only one season and variety. This study makes an important improvement by employing two-year data from a large sample of 1230 farm households and their 2643 fields cultivated with different varieties of wheat and faba beans in the wheat-based production system of Morocco. Assuming a biennial rotation – the fastest cycle possible in a rainfed dryland system, this paper is also the first to demonstrate that joint adoption of rotations and improved faba bean varieties leads to a two-year average gross margin that is US$537/ha (48%) higher than wheat monocropping. This is the highest economic benefit of all available cropping options. A striking result of the study is that, contrary to common expectations, adopters of rotation did not use lesser amounts of nitrogen fertilizer than those monocropping wheat, thereby undermining the ecological benefits of faba bean–wheat rotations. Given that current average applications are below marginal product-maximizing levels, higher marginal yields of nitrogen fertilizers after rotation help explain farmers’ current behavior. Our results suggest that: 1) promoting improved legume varieties may enhance adoption of rotation; and 2) an economic rationale should be used as the main driver of the rotation agenda in the dry areas.en_US
dc.publisherSpringer Verlag (Germany)en_US
dc.sourceAgronomy for Sustainable Development;39,(2019)en_US
dc.subjectfaba beanen_US
dc.subjectimproved varietyen_US
dc.subjecteconomic benefiten_US
dc.titleLegume-based rotations have clear economic advantages over cereal monocropping in dry areasen_US
dc.typeJournal Articleen_US
cg.creator.idYigezu, Yigezu: 0000-0002-9156-7082en_US
cg.creator.idAl-Shater, Tamer: 0000-0002-0698-689Xen_US
cg.creator.idBishaw, Zewdie: 0000-0003-1763-3712en_US
cg.creator.idNiane, Abdoul Aziz: 0000-0003-0873-4394en_US
cg.creator.idMaalouf, Fouad: 0000-0002-7642-7102en_US
cg.creator.idTadesse, Wuletaw: 0000-0003-1175-3502en_US
cg.creator.idAw-Hassan, Aden A.: 0000-0002-9236-4949en_US
cg.subject.agrovocFaba beanen_US
cg.contributor.centerInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.centerNational Institute of Agronomic Research Morocco - INRA Moroccoen_US
cg.contributor.crpCGIAR Research Program on Wheat - WHEATen_US
cg.contributor.funderInternational Maize and Wheat Improvement Center - CIMMYTen_US
cg.contributor.projectCRP WHEAT Phase IIen_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.coverage.regionNorthern Africaen_US
cg.isijournalISI Journalen_US
dc.identifier.statusOpen accessen_US
cg.journalAgronomy for Sustainable Developmenten_US

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