what are micronutrients of the plants?
['Supplied by air and water: carbon, hydrogen, oxygen.', 'Macronutrients: nitrogen, phosphorous, potassium.', 'Secondary Nutrients: calcium, magnesium, sulfur.', 'Micronutrients: boron (B), chlorine (Cl), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), and zinc (Zn).']