Supply Chain Management of Processing Tomatoes Affecting Sustainability: A Case Study of the Third Royal Factory (Tao Ngoy)
Keywords:
Supply Chain Sustainability, Engagement, Relational Capital, Structural Capital, Contract Farming, Processing TomatoAbstract
This study aims to examine the factors influencing supply chain sustainability in processing tomato production at the Third Royal Factory (Tao Ngoy), Sakon Nakhon Province, Thailand. Data were collected from 280 processing tomatoes farmers in Tao Ngoy district using a structured questionnaire that was validated for reliability and content validity. The study investigated key determinants, including supplier engagement, customer engagement, supply chain integration, relational capital, and structural capital. The data were analyzed using descriptive statistics and multiple regression analysis. The results indicate that supply chain management factor explain 28.8 % of the variance in supply chain sustainability. Supplier engagement has the strongest positive and statistically significant effect, followed by customer integration and relational capital. In contrast, structural capital, supplier integration, and customer engagement were not found to have statistically significant effects. The findings highlight the importance of collaboration, trust, and effective coordination among stakeholders in enhancing supply chain sustainability. In particular, relational capital plays a crucial role in fostering long-term cooperation, reducing uncertainty, and facilitating information sharing among supply chain actors. These results are consistent with Social Capital Theory, which emphasizes the importance of networks and relationships in achieving collective outcomes. This study contributes to the literature on sustainable supply chain management in agricultural contexts, particularly in developing countries. It also provides practical implications by recommending the promotion of contract farming networks, strengthening stakeholder relationships, and improving information integration to enhance the sustainability and resilience of agri-food supply chains.
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