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1. On a bag of fertilizer with a nutrient breakdown of 24-2-4, which number represents the amount of nitrogen in the bag?

2.  What is the difference between a macro-nutrient and micro-nutrient?

3.  What nutrient is responsible for stimulating root growth?

4. Which nutrient deficiency makes the leaves turn yellow on the outside edges of the older leaves?

5. List an advantage and a disadvantage organic fertilizer has over chemical fertilizer.