Question: what are micronutrients for plants?
Answer: Plants must obtain the following nutrients from the soil: Secondary macronutrients - sulphur (S), calcium (Ca), and magnesium (Mg) Micronutrients - boron (B), chlorine (Cl), cobalt (Co), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo) and zinc (Zn)