Usahatani padi ladang di wilayah ini merupakan bagian dari tradisi dan warisan budaya masyarakat, terutama Suku Dayak Kayan, yang dilakukan secara turun-temurun dengan sistem pertanian tradisional berbasis gotong royong. Disisi lain, petani di Desa ini memiliki modal sosial yang kuat berupa kepercayaan, norma, jaringan, partisipasi dan gotong royong. Penelitian ini bertujuan : (1) Mendeskripsikan modal sosial petani padi ladang di Desa Mara Satu (2) Mengetahui hubungan modal sosial dengan keberlanjutan usahatani padi ladang di Desa Mara Satu. Jumlah responden 30 orang petani padi ladang, dengan menggunakan analisis data deskriptif dan korelasi Rank Spearman. Hasil penelitian menunjukkan bahwa modal sosial petani tergolong baik, dengan dominasi pada aspek kepercayaan dan gotong royong. Selain itu, terdapat hubungan positif dan signifikan antara modal sosial dan keberlanjutan usahatani padi ladang. Hal ini menunjukkan bahwa semakin kuat modal sosial petani, maka semakin besar peluang usahatani padi ladang berkelanjutan secara sosial, ekonomi, dan lingkungan.

Kata Kunci : Modal Sosial, Padi, Ladang, Keberlanjutan

Upland rice farming in this region is an integral part of local tradition and cultural heritage, especially among the Dayak Kayan ethnic group, who have practiced it for generations using traditional agricultural methods rooted in mutual cooperation. Farmers in Mara Satu Village possess strong social capital, manifested through trust, shared norms, networks, participation, and communal work. This study aims to: (1) Describe the social capital of upland rice farmers in Mara Satu Village; and (2) Examine the relationship between social capital and the sustainability of upland rice farming in the village. The study involved 30 upland rice farmers as respondents and employed descriptive analysis and Spearman's rank correlation to analyze the data. The results indicate that the farmers' social capital is generally strong, particularly in the dimensions of trust and mutual cooperation. Moreover, the study found a positive and significant correlation between social capital and the sustainability of upland rice farming. This suggests that stronger social capital enhances the likelihood of achieving sustainable farming practices across social, economic, and environmental dimensions. Keywords: Social Capital, Rice, Upland Farming, Sustainability