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Welfare impacts of climate-smart agriculture in Ghana: Does row planting and drought-tolerant maize varieties matter?

تأثيرات الرفاهية للزراعة الذكية مناخياً في غانا: هل زراعة الصفوف وأصناف الذرة المقاومة للجفاف مهمة ؟
Authors: Edward Martey; Prince M. Etwire; Tahirou Abdoulaye;

Welfare impacts of climate-smart agriculture in Ghana: Does row planting and drought-tolerant maize varieties matter?

Abstract

Cette étude fournit de nouvelles preuves de l'impact de l'agriculture intelligente face au climat (AIC) – plantation de rangs et variétés de maïs tolérantes à la sécheresse - sur les résultats agricoles et le bien-être en estimant un modèle de régression de commutation endogène multinomiale qui corrige le biais de sélection et l'hétérogénéité des agriculteurs dans le choix de l'AIC. L'application de notre modèle aux observations de panel de 438 ménages au Ghana montre que l'adoption de la CSA augmente à la fois le rendement et l'intensité de la commercialisation du maïs, mais affecte négativement la propre consommation. Plus précisément, l'ampleur de l'impact est relativement plus élevée pour les adeptes de la plantation en rangée par rapport aux adeptes de semences de maïs tolérantes à la sécheresse. Ces résultats suggèrent la nécessité pour les praticiens du développement de sensibiliser et de souligner l'importance de la plantation de rangées en tant qu'élément clé de l'agriculture intelligente face au climat.

Este estudio proporciona nueva evidencia del impacto de la agricultura climáticamente inteligente (ASAC) (siembra en hileras y variedades de maíz tolerantes a la sequía) en los resultados agrícolas y de bienestar al estimar un modelo de regresión de cambio endógeno multinomial que corrige el sesgo de selección y la heterogeneidad de los agricultores en la elección de ASAC. La aplicación de nuestro modelo a las observaciones del panel de 438 hogares en Ghana muestra que la adopción de ASAC aumenta tanto el rendimiento como la intensidad de la comercialización de maíz, pero afecta negativamente al consumo propio. Específicamente, la magnitud del impacto es relativamente mayor para los adoptantes de la siembra en hileras en relación con los adoptantes de semillas de maíz tolerantes a la sequía. Estos resultados sugieren la necesidad de que los profesionales del desarrollo aumenten la conciencia y enfaticen la importancia de la siembra en hileras como un componente clave de la agricultura climáticamente inteligente.

This study provides new evidence of the impact of climate-smart agriculture (CSA) – row planting and drought-tolerant maize varieties - on farm and welfare outcomes by estimating a multinomial endogenous switching regression model that corrects for selection bias and farmer heterogeneity in CSA choice. Application of our model to panel observations of 438 households in Ghana show that adoption of CSA increases both yield and intensity of maize commercialization but negatively affect own consumption. Specifically, the magnitude of the impact is relatively higher for adopters of row planting relative to adopters of drought-tolerant maize seeds. These results suggest the need for development practitioners to increase awareness and emphasize the importance of row planting as a key component of climate-smart agriculture.

تقدم هذه الدراسة أدلة جديدة على تأثير الزراعة الذكية مناخياً (CSA) – زراعة الصفوف وأصناف الذرة المقاومة للجفاف - على نتائج الزراعة والرعاية الاجتماعية من خلال تقدير نموذج انحدار التحول الداخلي متعدد الحدود الذي يصحح تحيز الاختيار وعدم تجانس المزارعين في اختيار CSA. يُظهر تطبيق نموذجنا على ملاحظات الفريق لـ 438 أسرة في غانا أن اعتماد CSA يزيد من غلة وكثافة تسويق الذرة ولكنه يؤثر سلبًا على الاستهلاك الخاص. على وجه التحديد، فإن حجم التأثير أعلى نسبيًا بالنسبة لمتبني زراعة الصفوف بالنسبة لمتبني بذور الذرة المقاومة للجفاف. تشير هذه النتائج إلى الحاجة إلى قيام العاملين في مجال التنمية بزيادة الوعي والتأكيد على أهمية زراعة الصفوف كعنصر رئيسي في الزراعة الذكية مناخياً.

Country
France
Keywords

Economics, Impacts of Food Prices on Consumption and Poverty, climate-smart agriculture, drought tolerance, Agricultural Innovation and Livelihood Diversification, Social Sciences, regression analysis, Agricultural and Biological Sciences, Market economy, Climate change, Business, Agricultural economics, Marketing, Ecology, Statistics, Life Sciences, Agriculture, farms, Economics, Econometrics and Finance, Multinomial logistic regression, Livelihood Diversification, Early adopter, Metallurgy, General Agricultural and Biological Sciences, Economics and Econometrics, Soil Science, Welfare, Yield (engineering), FOS: Economics and business, welfare economics, FOS: Mathematics, Sowing, Biology, Commercialization, Risk Management and Vulnerability in Agriculture, Drought tolerance, Agronomy, Materials science, FOS: Biological sciences, Mathematics

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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