Agriculture Reference
In-Depth Information
Table 5.14
Harvesting cost and productivity of two orchard pruning and chipping systems
a
Machine
Self-propelled
Tractor mounted
Field
1
2
3
4
5
6
7
8
9
10
Collectingcomminuting(s) 3,233
1,496
10,302
3,858
3,992
2,564
7,112
1,606
7,052
8,920
Turning (s)
892
326
618
595
643
469
680
516
1,005
619
Forwarding (s)
1,028
664
6,060
1,452
1,466
598
3,589
0
0
0
Unloading (s)
494
368
3,359
1,159
1,481
755
2,773
226
1,106
1,602
Mechanical delays (s)
1,930
76
4,680
457
228
0
1,073
76
811
1,103
Other delays (s)
1,107
886
1,500
328
945
2,219
3,405
206
1,049
889
Total time consumption (s)
8,686
3,816
26,519
7,849
8,755
6,606
18,631
2,630
11,023 13,132
Mass harvested (t)
10.6
3.2
49.5
17.8
22.8
11.0
22.8
4.1
20.2
29.2
Area
6.57
1.61
7.04
8.61
12.90
10.20
18.44
0.59
1.74
1.58
Mass productivity (t)
4.4
3.0
6.7
8.2
9.4
6.0
4.4
5.7
6.6
8.0
Area productivity (ha h
−1
)
2.7
1.5
1.0
3.9
5.3
5.6
3.6
0.8
0.6
0.4
Hourly cost (Euro h
−1
)
158
158
158
158
158
158
158
149
149
149
Unit cost (Euro t
−1
)
36.1
51.9
23.5
19.3
16.9
26.3
35.9
26.4
22.6
18.6
Incidence of delays (%)
35
25
23
10
13
34
24
11
17
15
Mechanical availability (%)
78
98
82
94
97
100
94
97
93
92
a
Adapted from [
38
]
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