Geoscience Reference
In-Depth Information
table 19.1
Summary of regression results at county level
Growing degree
days
Constant
Precipitation
Time trend
County/crop
Observation
R
2
Coeficient
t-stat
Coeficient
t-stat
Coeficient
t-stat
Coeficient
t-stat
Østfold
Barley
43
0.46
506.602
4.61
−0.122
−1.71
−0.098
−1.83
3.704
5.57
Akershus/Oslo
Potato
44
0.43
712.304
1.05
0.330
0.74
0.952
2.53
18.302
4.72
Hedmark
Barley P3
10
0.50
12.602
0.05
0.137
1.06
0.478
2.32
2.485
−0.72
Oats P3
10
0.46
−203.027
−0.53
0.288
1.59
0.632
2.18
−4.756
−0.97
Potato P3
10
0.41
−184.553
−0.10
1.774
1.97
2.121
1.47
−18.381
−0.76
Oppland
Potato
42
0.24
839.194
1.23
0.530
1.09
1.237
2.49
8.098
1.95
Buskerud
Potato P2
15
0.66
1790.157
1.61
−1.046
−1.57
1.879
2.53
14.205
0.62
Potato P3
13
0.55
3452.009
2.49
0.346
0.38
−1.775
−2.73
−1.969
−0.08
Telemark
Wheat P1
16
0.74
−174.219
−1.46
0.264
3.35
0.021
0.28
7.376
4.13
Barley P1
16
0.69
−111.873
−0.81
0.229
2.52
0.037
0.43
8.293
4.01
Oats P1
16
0.87
−110.622
−1.22
0.186
3.13
0.081
1.45
10.548
7.78
Potato P1
16
0.40
−105.132
−0.12
1.120
1.88
0.780
1.40
27.838
2.06
Aust-Agder
Potato P1
16
0.45
−154.192
−0.16
0.936
1.44
0.647
1.99
41.801
2.74
Potato P3
13
0.35
−967.087
−0.49
2.394
1.84
−0.560
−1.31
6.071
0.20
continued
