Determination should include

Process/Skill Questions:

What are the nine elements or macronutrients essential for optimal plant growth?
What are the eleven elements or micronutrients essential for optimal plant growth?
What are the three macronutrients that are most likely imbalanced in malnourished plants?
How does one adjust the nutrients to an optimal level to promote plant growth?
What is the composition of a 20-10-20 fertilizer?
What are some different types of plant fertilizer?
Why are there different fertilizer mixes?
How would one determine which type of fertilizer to use for specific plants?
How does pH affect nutrient availability?