Fig. 4: The effect of belt inclination angle on root quality.
different belt speeds. From the figure the increasing in belt inclination
angle from 25 to 45 the root quality increase from 98.90 to 99.5, 98.48
to 99.28 and 97.99 to 99.08 respectively at belt speeds of 0.5, 1.0 and 1.5
m/s. Therefore the data cleared that the root quality increased by
decreasing the belt speed. However, the root quality increase as average
from 98.49 to 98.22 % by the belt speed decrease from 1.5 to 0.5 m/s.