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Table 5 Effect of daily hours worked on marginal hourly productivity for mechanised processors and harvesters operating beyond 9 hours per day

From: Effect of work schedule design on productivity of mechanised harvesting operations in Chile

Equipment

Working hours per day

Average productivity (m3 hr-1)

Additional work hours beyond 9 hours per day

Marginal productivity (m3 hr-1)

Difference between marginal productivity and 9-hour productivity (%)

Processors

9

57.6

0

-

-

 

12

52.2

3

36.1

−37

 

16

45.1

7

29.1

−49

 

18

39.9

9

22.3

−61

Harvesters

9

23.4

0

-

-

 

12

21.3

3

15.0

−36

 

16

19.4

7

14.3

−39

 

18

18.5

9

13.6

−42