Sagar V. Krupa

• Acidic deposition
• Air pollutants and their effects on the terrestrial ecosystem
• Air pollution, people, and plants
• An analysis of numerical models of air pollutant exposure and vegetation response
• Assessment report on ammonia for developing ambient air quality guidelines
• Elevated ultraviolet (UV)-B radiation and agriculture
• Interactions between non-pathogenic soil microorganisms and plants
• Ecology of root pathogens
• Studies on ectomycorrhizae of pine with emphasis on volatile organic compounds