Table 5. Effect of polypropylene mulching treatments on weed yield, manpower required of mulching test field and weeding

Treatment MRMz test field (person/100m2/day) MRWy (person/100m2/day) Weed yield (dry weight, g/ 100m2)
60g/m2 overlapping 2.1 2.2 10.0±5.0c
60g/m2 hole drilling 1.3 2.2 18.3±7.6bc
80g/m2 overlapping 1.8 1.5 11.7±2.9c
80g/m2 hole drilling 1.4 1.5 23.7±1.2b
Control 0.8 4 40.0±8.7a
Manpower required of mulching
Manpower required of weeding.
Data are the Mean±SE from the three replicates. Difference letters indicate treatments are significant difference at p<0.05 by Ducan's multiple range test.