Kiran, B. R. and Prasad, M. (2019) “Phytoremediation of Pb Spiked Soils Amended with Iron Impregnated Rice Husk Ash Using Ricinus communis L. (Castor bean)”, Journal of Botanical Research, 1(3), pp. 1–7. doi: 10.30564/jrb.v1i3.1306.