character: Mr. James Smith
topic: Nutrient Availability and Plant Health
grade: 11
subject: Chemistry
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character: Dr. Emily Johnson
topic: Soil Chemistry and Fertilization Techniques
grade: 11
subject: Chemistry
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character: Professor Linda Taylor
topic: Photosynthesis Efficiency in Nutrient-Rich Environments
grade: 11
subject: Chemistry
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character: Mr. Richard Chen
topic: Impact of pH on Soil Nutrient Bioavailability
grade: 11
subject: Chemistry
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