The overall willingness of smallholder farmers to adopt new green technologies remains low, in spite of the great progress made in understanding the factors that affect their decision. The present study introduces an interdisciplinary approach combining positive psychology and sustainable development studies to show that two personal resources – self-control (a learned repertoire of goal-directed skills that enable people to act upon their aims) and cognitive goal-oriented hope (the ability to follow different routes to pursue one's goal), prompt the adoption of technologies by smallholder farmers. Both personal resources facilitate achieving future goals and changing existing circumstances. A theoretical moderation model on the adoption of agricultural technologies aimed to protect soil degradation in Nepal is proposed and empirically tested. Data were collected from 268 households in the Jhapa district by a face-to-face questionnaire. A multiple regression analysis tested and confirmed the hypothesized moderation model. Following the discovery of a significant interaction, the nature of the interaction was farther explored by calculating simple slopes. Analysis results show a significant positive connection between self-control (p-value = 0.002), hope (p-value = 0.005), information (p-value < 0.001), and technology adoption. Self-control was also found to have a significant moderating effect in enhancing a positive association between receiving information and technology adoption (p-value = 0.017). In addition to its theoretical innovation and empirical contribution, the importance of this study lies in its practical implications, given that policy, education, and communication may influence hope and self-control levels.