3.5 Fresh root yield (Table 2)
Application of cultivar with foliar fertilization showed effect on fresh root yield but the treatment
and cultivar did not effect. The treatment with Zn+Mg tended to give higher fresh root yield as
compared with all of application while HB 60 cultivar also gave higher fresh root yield too. The KU
50, HB 60 and HB 80 cultivars with and without foliar fertilization gave no differences in fresh root
yield but KU 50, HB 60 with Zn+Mg treatment and HB 80 with Zn+Mg+S treatments gave the highest
by 10.62, 15.77 and 11.21 t rai-1, respectively. The treatment with Zn+Mg+S, Zn+Mg, Zn+S tended to increased fresh root yield up to 18% of non foliar fertilization but Mg+S treatment tended to gave
lower on it.