A) Manganese, copper, calcium
B) Sodium, potassium, boron
C) Sodium, nickel, chlorine
D) Copper, molybdenum, zinc
Correct Answer: D
Solution :
The essential elements, which are required in a very small amount or traces by the plants are called as micro-elements or trace elements. Manganese, copper and calcium are microelements for plants.You need to login to perform this action.
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