Dr. Johannes Lehmann

Professor

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Biography

Johannes Lehmann is the Liberty Hyde Bailey Professor in the School of Integrative Plant Science at Cornell University, specializing in soil biogeochemistry and soil fertility management. His research focuses on soil organic matter, nutrient cycling in managed and natural ecosystems, and the interactions of carbon cycling, nutrient cycling, and biochar systems in sustainable agriculture, particularly in tropical regions such as Africa. His innovative work includes investigating carbon stabilization mechanisms in soils using ultra-fine scale microscopy and understanding the global and regional implications of biogeochemical cycles on carbon and nutrient dynamics. An acclaimed scientist, Lehmann has been recognized as a member of the National Academy of Sciences and has received prestigious awards including the Humboldt Research Prize and the Highly Cited Researcher honor. He teaches courses that emphasize the importance of soil and environmental sustainability, equipping students with critical thinking skills to address the challenges posed by climate change and pollution on land use management.

Research Interests

Awards

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Member

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Humboldt Research Prize

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Member

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Highly Cited Researcher

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Hans Fischer Senior Award

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Highly Cited Researcher

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International Research Award

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Marion L. Chrystie M. Jackson, Soil Science Award

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Sir Frederick McMaster Award

Courses

ENVS/CLASS 2000: Environment Sustainability Colloquium PLSCI 3210/5210: Soil Crop Management Sustainability PLSCI 4720/6720: Nutrient Carbon Cycling Management

Requirements for Cornell University

Master Program
Requirements
TOEFL
Listening
Required:15
Reading
Required:20
Writing
Required:20
Speaking
Required:22
Total
Required:100
IELTS
Overall
Required:7
Prerequisites
Bachelor's degree in Architecture or related field
Application Checklist
  • Online application
  • Portfolio (SlideRoom)
  • Academic Statement of Purpose
  • Personal Statement
  • Transcripts
  • Two letters of recommendation
  • Resume/CV
Specialization Notes

Department of Architecture