Identification should include
- the essential nutrients plants need for optimal growth
- macronutrients
- carbon (C)
- hydrogen (H)
- oxygen (O)
- nitrogen (N)
- phosphorus (P)
- potassium (K)
- calcium (Ca)
- magnesium (Mg)
- sulfur (S)
- micronutrients
- Iron (Fe)
- Manganese (Mn)
- Boron (B)
- Molybdenum (Mo)
- Copper (Cu)
- Zinc (Zn)
- Chlorine (Cl)
- Nickel (Ni)
- Cobalt (Co)
- Sodium (Na)
- Silicon (Si)
- pH
- geographical location/local considerations.
Process/Skill Questions:
- Can nitrogen, phosphorous, and potassium use by plants be controlled? Explain.
- How do fertilizers deliver nutrients to plants?
- How can the fertilizer grade or guaranteed analysis on a fertilizer package be useful to a producer?