Table 5 The comparison of working hours between both of handling with the developed ton bag and with practice net for onion

Division	Practice (A) (hr/ha)	Bulk (B) (hr/ha)	B/A (%)	Saving Rate (%)
harvesting	412.5	234	56.7	43.3
Load	53.7	5.1	9.5	90.5
Transport	3.8	2.3	60.5	39.5
Unload	23.7	5.1	21.5	78.5
Total	493.7	246.5	49.9	51.1