Rose flower production and quality as affected by Ca concentration in the petal Asher Bar-Tal, Rob Baas, Ruth Ganmore-Neumann, Aleid Dik, Nollie Marissen, Avner Silber, Sara Davidov, Amram Hazan, Benny Kirshner and Yigal EladAgronomie, 21 4 (2001) 393-402DOI: https://doi.org/10.1051/agro:2001132