Reference

Vijayaraghavan, K., & Raja, F. D. (2014). Design and development of green roof substrate to improve runoff water quality: Plant growth experiments and adsorption. Water Res, 63, 94–101.

Nagase, A., & Dunnett, N. (2011). The relationship between percentage of organic matter in substrate and plant growth in extensive green roofs. Landsc Urban Plan, 103, 230–236.