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Utami SR, Suntari R, Agustina C, Kusumarini N. Improving nutrient availability in pyroclastic materials from Mount Kelud using organic and inorganic amendment. J. Degrade. Min. Land Manage. [Internet]. 2019 Oct. 1 [cited 2025 Jun. 21];7(1):1987-93. Available from: https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/606