Application of foliar fertilizer treatment, cultivar and cultivar with foliar fertilization showed effect on fresh rhizome weight.
The treatment with Zn+Mg+S, Zn+Mg, Zn+S and Mg+S gave no differences in fresh rhizome weight as compared with non foliar fertilization while application with Mg+S gave the lowest on it.
The KU 50 cultivar gave difference in fresh rhizome weight as compared with HB 60 and HB 80 by 2.12, 1.83 and 1.47 t rai-1, respectively.
KU 50, HB 60 and HB 80 cultivars with andwithout foliar fertilization gave no differences in fresh rhizome weight but, with Zn+S treatment gave the lowest.