Agriculture Reference
In-Depth Information
home.
Farm gate
output (t)
Diesel use,
transport to
RDC (L)
a
El. use, 5
days storage
at RDC
(kWh)
b
RDC gate
output (t)
c
Diesel use,
transport to
retailer (L)
a
El. use,
storage
at retailer
(kWh)
d
NG use,
storage
at retailer
(MJ)
d
Retail gate
output (t)
c
Gasoline use,
transport to
home by car
(L)
e
Diesel use,
transport to
home by bus
(L)
e
Potatoes
16.7
64.6
63.9
11.8
11.5
78.1
346.5
11.5
101.2
2.7
Carrots
6.2
24.0
23.7
4.4
4.3
29.0
128.7
4.3
37.6
1.0
Cabbages
5.3
78.3
77.5
5.3
19.6
34.7
591.7
5.1
45.4
1.2
Cauliflower
3.7
55.4
54.9
3.7
13.9
24.5
419.0
3.6
32.1
0.9
Parsnips
2.1
8.1
8.0
1.5
1.4
9.8
43.5
1.4
12.7
0.3
Beetroots
3.5
13.8
13.6
2.5
2.4
16.6
73.8
2.4
21.6
0.6
Onions
3.5
16.8
16.6
3.2
3.8
21.2
115.6
3.2
28.1
0.8
Leeks
2.9
42.5
42.1
2.9
10.6
18.8
321.7
2.8
24.7
0.7
Squash
2.5
37.7
37.3
2.5
9.4
16.7
285.2
2.5
21.9
0.6
Zucchini
6.1
91.5
90.5
6.1
22.9
40.5
691.4
6.0
53.0
1.4
Lettuce
10.4
219.2
216.9
10.1
53.6
66.8
1620.1
9.9
87.6
2.4
Total
62.9
651.8
645.0
54.0
153.3
356.7
4637.2
52.7
465.9
12.6
a
The produce is transported 200 km to RDC and 50 km from RDC to retail [40] using 22.9 ml diesel per pallet-km (chilled single drop, 32
t artic) [41].
b
Electricity consumption in RDC is 0.00059 kWh/l/day [40].
c
For each crop losses in storage and packaging are taken into
account [42]. See Supplementary Material for details.
d
Storage at ambient temperature. Energy use is 0.027 MJ/kg/day (44% electricity for
light and 56 % natural gas (NG) for heating) [40].
e
Based on an average UK shopping trip of 6.4 km with an average shopping basket of 28
kg and where 58% of trips made by private car and 8% made by bus [40]. See Supplementary Material for details.
