The poster visually shows cannabis leaves with various nutrient deficiencies, such as: Nitrogen (N), Phosphorus (P), Potassium (Ka), Magnesium (Mg), Iron (Fe), Zinc (Zn), Sulfur (S), Calcium (Ca), Potassium (K), Manganese (Mg)
Each deficit is shown in three variations:
- Initial stage
- Progressive
- Consequences
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