Which extension method is adopted to enhance potato productivity in Tunisia?
Authors
Asma Zribi, Rached Zouhair, Riadh llahy, Hatem Zgallai, Imen Tlilli, Samir Ben Ali
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The objective of this work is to analyze the impact of extension services on the productivity of potato production factors. An analysis of the productivity of potato production factors in different farms adopting different extension sources was conducted. To achieve this, a questionnaire survey was carried out on a sample of 123 seasonal potato producers in the governorates of Nabeul, Kairouan, and Sidi Bouzid, with farmers selected randomly.
The results show that a low number of producers use extension services (42%) and rely on the following sources: (i) Regional Agricultural Development Commission (CRDA), (ii) Potato and Artichoke Technical Center (CTPT), and (iii) private advice. The low rate of supervision is mainly explained by the limited availability and number of extension workers. According to the justifications provided by extension workers, the lack of transport due to fuel problems, as well as the insufficient number of extension workers and equipment, contributed to this lack of participation. These logistical barriers may have limited the ability of extension workers to reach more potato producers and deliver extension services effectively.
The results of the analysis, based on the use of the Tanagra tool, show that participation in extension services allows producers to achieve better yields compared to non-participants. Using the Ad hoc model, our study finds that extension has a significantly positive impact on potato yield. This means that the extension service has successfully provided information, knowledge, and practices that have directly contributed to improving the productivity of potato cultivation factors, hence the importance of continuing to invest in extension services to ensure better productivity
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Authors
Asma Zribi, Rached Zouhair, Riadh llahy, Hatem Zgallai, Imen Tlilli, Samir Ben Ali
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