Mardiansyah K, Usup A, Riak Asie E. The Effects of Biochar and Chicken Manure Application on Red Ginger (Zingiber Officinale Rosc.) Growth and Yield of Semi Paludiculture in Tropical Peatlands. JTP-UPR [Internet]. 2020 Dec. 1 [cited 2025 Apr. 19];10(2):9-16. Available from: https://e-journal.upr.ac.id/index.php/jtp-upr/article/view/2070