1. College of Agriculture, Universitas Sriwijaya, Inderalaya, 30662, Indonesia
2. Research Center for Suboptimal Lands, Universitas Sriwijaya, Palembang, 30139, Indonesia
3. CESD Department, International Rice Research Institute, Los Banos, 4031, Philippines
4. Graduate School, Universitas Sriwijaya, Palembang, 30139, Indonesia
5. College of Social and Political Sciences, Universitas Sriwijaya, Inderalaya, 30662, Indonesia
6. STIPER Sriwigama, Palembang, 30137, Indonesia