character: Dr. Smith
topic: Soil Microorganisms and Their Role in Crop Yield
grade: 11
subject: Science
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character: Mrs. Johnson
topic: Effects of Microbial Activity on Soil Health
grade: 11
subject: Science
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character: Mr. Brown
topic: Nutrient Cycling and Plant Growth
grade: 11
subject: Science
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character: Dr. Taylor
topic: Biological Soil Amendments and Crop Productivity
grade: 11
subject: Science
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