X. Chen, Q. Chen, and J. Wang, “Physicochemical property of rubber nursery plants biochar and its effect on the growth of Hevea brasiliensis seedlings”, ijeab, vol. 6, no. 4, Jul. 2021, Accessed: Nov. 25, 2024. [Online]. Available: https://journal-repository.com/index.php/ijeab/article/view/3858