Tjoa A, Christi LR, Edy N, Basri Z, Barus H. Nickel acquisition affected by root density of mono- and mixed-cropping peanut and choy sum . JPK Wallacea [Internet]. 2023 May 31 [cited 2024 Dec. 22];12(1):19-26. Available from: https://journal.unhas.ac.id/index.php/wallacea/article/view/26615