Question
Which of the following is a group of micronutrients for plants?
Fe, Mn, Cu, Mo, Zn
Fe, Mn, Cu, O, C
Cu, B, Cl, Fe, Ca
Ca, Mg, Fe
Solution
A.
Fe, Mn, Cu, Mo, Zn
Micronutrients or trace elements are needed in very small amounts (less than 10 m mole kg-1 of dry matter). These are 8 in number and include Iron (Fe), Manganese (Mn), Copper (Cu), Molybdenum (Mo), Zinc (Zn), Boron (B), Chlorine (Cl) and Nickel (Ni).
