Copper uptake potential of Philippine giant bamboo (Dendrocalamus asper) under varied initial copper concentration, water hardness and pHJerwin Lawrence C.Go, Cynthia F. Madrazo, Aileen H. Orbecido, Ma. Ellenita G. de Castro and Lawrence P. BeloMATEC Web Conf., 268 (2019) 06005DOI: https://doi.org/10.1051/matecconf/201926806005