1. Carbon-Hydrogen-Oxygen-Nitrogen-Phosphorus-Potassium
Soil Macronutrients

2. Nutrients Macronutrients Micronutrients Needed in larger quantities
Needed in smaller quantities

3. Non-Fertilizer Nutrients
Cannot be supplied in a fertilizer
Come from Water & Air (H2O & CO2)
Carbon
Hydrogen
Oxygen

4. Primary Macronutrients
Nitrogen
Phosphorus
Potassium
Complete fertilizer must contain all 3

5. Secondary Macronutrients
Calcium
Magnesium
Sulfur

6. Nitrogen Encourages Growth Gives plants a dark green color Deficiency:
- Plant turns lighter green
- Yellowing leaves
- Slow growth

7. Phosphorus Root Development Encourages Flowering
Improves Winter Hardiness
Deficiency
Purplish coloration to leaves
Stunted Growth

8. Potassium Increases disease resistance Thickens cell walls
Aids in the transport of food in the phloem
Deficiency
Yellowing, death of tissue at the tips.