Subject
agricultural use
2
agriculture
4
agronomy
1
biotope
2
climatology
3
ecobalance
1
ecology
1
ecosystem
3
environmental compatibility
1
environmental impact assessment
1
environmental program
1
environmental protection
1
forest decline
1
forestry
3
landscape
3
plant ecology
1
pollution control
3
soil chemistry
1
soil map
1
soil mechanics
1
soil protection
1
sustainable development
1
sustainable use
1