RCE Greater Phnom Penh conducted a project from 2017-2021 to promote sustainable agriculture in Kampong Cham Province, Cambodia. They provided capacity building workshops and trainings to 1,537 beneficiaries including agricultural extension officers and farmers. The project aimed to increase knowledge of organic fertilizers and sustainable practices. Results included more farmers using organic fertilizers, model farmers disseminating knowledge, and greater involvement of women. Lessons learned include the importance of local stakeholders and economic incentives for changing practices. Remaining challenges are engaging youth and improving food preservation and sustainable consumption awareness.