natu - nutr
- natural air pollution
- natural conditions
- natural disasters
- natural enemy of a plant pest
- natural environment
- natural environment changes
- natural environment damage
- natural environment management
- natural environment monitoring
- natural equilibrium
- natural focus of a plant virus
- natural goods
- natural monuments
- natural pollution
- natural protection of the underground waters
- natural resources
- natural resources cost
- natural resourses potential
- natural static ground water resources
- natural territorial complex
- natural water
- natural-technical system
- nature
- nature conservation