Endriani, Listyarini, D. and Farni, Y. (2025) “Improving physical properties of Ultisol and maize yield using coconut shell biochar and Leucaena compost ”, Journal of Degraded and Mining Lands Management. Malang, Indonesia, 12(2), pp. 6991–6999. doi: 10.15243/jdmlm.2025.122.6991.