Sa-nguansaj T, Kong-jaroen P. Effects of Various Green Manures on rice Yield in Irrigated Areas . Thai Agric.Res.J. [internet]. 1993 Jan. 1 [cited 2026 Oct. 1];11(1):7-14. available from: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/241187