character: Dr. Emily Green
topic: Plant Nutrient Deficiency Diagnosis
grade: 12
subject: Chemistry
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character: Professor Alan Roots
topic: Essential Elements for Plant Growth
grade: 12
subject: Chemistry
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character: Ms. Flora Leaf
topic: Symptoms of Nutrient Deficiencies in Plants
grade: 12
subject: Chemistry
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character: Dr. Terry Soil
topic: Role of Soil Chemistry in Plant Nutrition
grade: 12
subject: Chemistry
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