infertile
0.2
1
0
14
lean soil
3
3
0
10
fertile plain
6
4
0
2
swamp
2
2
0.5
3
lake
2
2
0
9
hills
2
5
0.3
6
mountains
1
3
0.7
8
high mount.
0.2
2
1
7
snow
1
1
0.5
15