Landbrug og biologi
permanganates
88%
Thailand
80%
soil quality
79%
highlands
79%
agriculture
63%
corn
53%
degradation
52%
carbon
40%
shifting cultivation
34%
soil
18%
land use change
14%
topsoil
13%
South East Asia
12%
land use
11%
interviews
11%
questionnaires
11%
farmers
8%
markets
8%
Geo- og miljøvidenskab
soil quality
91%
maize
76%
agriculture
61%
degradation
56%
indicator
36%
carbon
34%
shifting cultivation
32%
extensive agriculture
20%
traditional agriculture
18%
soil
15%
topsoil
12%
land use change
11%
satellite image
11%
Asia
10%
document
9%
market
8%
land use
8%
cost
6%
rate
4%
effect
2%
Erhverv og økonomi
Soil
100%
Thailand
96%
Degradation
88%
Maize
67%
Agriculture
64%
Carbon
42%
Land-Use Intensity
13%
Land Use Change
13%
Quality Indicators
9%
Environmental Concern
8%
South-East Asia
7%
Questionnaire
7%
Farmers
6%
Costs
2%
Samfundsvidenskab
Thailand
81%
agriculture
72%
extensive agriculture
25%
land use
24%
driver
20%
farmer
10%
cause
7%
costs
6%
market
6%
questionnaire
6%
interview
5%
Kemiske forbindelser
Soil
73%
Permanganate
43%
Indicator
34%
Carbon Atom
18%