Question

which of the following is not one of the Essential elements required for proper growth of plantson​

Answer 1

Answer:

The non-mineral essential plant elements include hydrogen, oxygen, and carbon. These are either taken up as a gas or water. There are 4 elements that are beneficial to promote plant growth but are not considered to be necessary for completion of the plant life cycle. They are silicon, sodium, cobalt, and selenium.

Explanation:

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Answer 2

Plants require seventeen essential mineral elements which can be grouped into two classes based on the amount required-

Macronutrients (required in large amount) and micronutrient (required in small amounts).

The essential macronutrients are carbon, hydrogen, oxygen, nitrogen, phosphorous, potassium, sulphur, magnesium, calcium and essential micronutrients are iron, molybdenum, boron, chlorine, copper, zinc, nickel and manganese.