Landbrug og biologi
abandoned land
100%
agricultural land
62%
agricultural management
27%
agricultural prices
34%
agricultural products
22%
agriculture
31%
commodity prices
32%
demography
23%
Eastern European region
25%
environmental impact
20%
fertilizers
16%
land productivity
30%
land resources
29%
land suitability
34%
mechanization
25%
socialism
37%
socioeconomics
43%
soil quality
19%
temperature
8%
Ukraine
73%
USSR
51%
Samfundsvidenskab
Agricultural land
83%
agriculture
26%
commodity
15%
demography
17%
determinants
11%
driver
53%
Eastern Europe
15%
environmental impact
15%
management
7%
mechanization
22%
productivity
13%
regression
10%
resources
6%
socialism
17%
Ukraine
65%
USSR
29%
Geo- og miljøvidenskab
accessibility
15%
agricultural land
51%
agricultural management
19%
agriculture
23%
city
9%
commodity price
24%
demography
18%
Eastern Europe
18%
effect
3%
environmental impact
12%
fertilizer
13%
land
35%
price
13%
productivity
11%
resource
8%
socialism
24%
socioeconomic impact
20%
socioeconomics
13%
soil quality
17%
temperature
6%