In the Mauixi indigenous community, located 80 kilometers from Boa Vista, the use of biochar has significantly improved watermelon cultivation, helping locals tackle soil difficulties and generate income. This initiative, developed in collaboration with the Federal University of Roraima, started with an initial planting on a 3,000 square meter area, producing watermelons weighing between six to eight kilograms, known for their sweetness and quality. These fruits are already reaching local markets, enhancing the community's economic stability.

The project was born out of the community's desire to strengthen their agricultural production, as highlighted by tuxaua Alexandre da Silva, who expressed the community's interest in cultivating watermelon but noted past challenges. With assistance from the university, they organized a community meeting to discuss the biochar project and its potential benefits. This collaboration reflects a supportive partnership aimed at revitalizing local agriculture and stimulating economic growth, emphasizing the importance of indigenous community empowerment.

As the community sees positive results from their agricultural efforts, the project represents a broader trend of integrating sustainable practices in farming, particularly in indigenous territories. This approach not only addresses immediate economic needs but also enhances food security in the region by diversifying agricultural production. The success of the watermelon cultivation initiative may inspire similar projects in other indigenous communities, promoting sustainable agricultural practices across Brazil and beyond.