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Unit 2: Applying Ecological Principles
Nutrient Management
Research has shown that 18 chemical elements are required for plant growth. Carbon, hydrogen and oxygen are non-mineral nutrients obtained from the air and water. The remaining 15 nutrients are mineral compounds obtained from the soil:
nitrogen, phosphorus, potassium, calcium, magnesium, sulfur |
macronutrients |
iron, boron, chlorine, manganese, zinc, copper, molybdenum, nickel, and cobalt |
micronutrients |
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