character: Dr. Sarah Lee
topic: Sustainable Farming Practices and Soil Health
subject: Geography
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character: Professor Mark Green
topic: Impact of Soil Health on Crop Yields
subject: Geography
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character: Dr. Emily Tran
topic: Innovative Approaches to Sustainable Agriculture
subject: Geography
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character: Professor John R. Smith
topic: The Role of Soil Microorganisms in Sustainable Farming
subject: Geography
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