Impact Assessment of Technology Change on Durum Wheat Productivity： A Cross Sectional Analysis in Central Semi-arid Tunisia.pdf

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Impact Assessment of Technology Change on Durum Wheat Productivity： A Cross Sectional Analysis in Central Semi-arid Tunisia.pdf

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JournalofAgriculturalScienceandTechnologyB4(2014)49—57 Earliertitle：JournalofAgriculturalScienceandTechnology，ISSN 1939-1250 … … … ImpactAssessmentofTechnologyChangeonDurum W heatProductivity：A CrossSectionalAnalysisin CentralSemi．aridTunisia AliChebil，AymenFrijaandSondesAmri NationalInstitutefo，ResearchinRuralEngineering,WatersandForests(1NRGREF)，Ariana2080，Tunisia 2．HigherSchoolofAgriculture(ESA)Mograne，Zaghouan1121，Tunisia Received：October28，2013／Published：January20，2014 Abstraet：TheenhancementofwheatyieldinTunisiabecomesamustforpolicymakerswhoneedtoreducetheimportationsofthis commodity．Inthiscontext．the “FoodSecurityinArabCountries”projecthasbeenestablishedinordertotransfertechnological innovationsthatimproveirrigatedwheatproductivity．Asapilotarea，thisprojectisbeingimplementedinChebika(CentralTunisia) region．whereinthelasttwoyearsanew technologicalpackageofdurum wheatproductionhasbeentestedbymanyfarmersofthe region．TheobjectiveofthisstudyistoidentiCythesourcesofoutputgainsbetweenfarmersparticipatingintheprojecttrialsand famr er’susingconventionaltechniques．Tornqvist．Thielindexwasusedfortheidentificationoftheoutputgainsgeneratedbythe technologypackage．Datausedfortheanalysiswerecollectedfrom 60participatingfamr ersduring201l-2012croppingseason．and ll0non—participatingfarmers．Resultsshow thataverageproductionvaluedifferentialbetweenparticipatingandnon-participating farmersis48．4％．Thisvalueiscomposedof9．3％ gaingeneratedrfom globalfactorproductivityand39．1％ from theincreaseofthe inputsuse．Italso indieatestherelative importanceofinputscontributing to theglobalfactorproductivity difference between enhancedtechnologicalpackageandconventionalpracticesintheregion．Theseresultsarevaluableofrpolicymakerssincetheycan beusedtofcICUSonmainfactorsaffectingtheimprovementofirrigatedwheatproductivityin CentralTunisia．Encouragingthe adoptiono