“Effects of Perlite, Grass Charcoal and Vermiculite on Root Growth of Isatis (Isatis Tinctoria L. Woad) and Soil Nutrient Migration”. Bangladesh Journal of Botany 50, no. 5 (November 18, 2021): 947–954. Accessed June 26, 2026. https://www.banglajol.info/index.php/BJB/article/view/56449.