Mirzakhani, M., Motesharezadeh, B., Mirseyed Hosseini, H., & Malmir, R. "Effect of nano-silicon treatments on some physiological and nutritional responses of Lolium perenne in soils contaminated with heavy metals (Pb, Cd and Zn)", Iranian Journal of Horticultural Science, 49, 2, 2018, 563-577. doi: 10.22059/ijhs.2018.245896.1348