Xu, Y. ., Guo, Z. ., Li, J. ., Zhang, H., Lu, Y. ., Shi, C. . and Cao, T. . (2021) “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(5), pp. 947–954. doi: 10.3329/bjb.v50i5.56449.