GK
SOIL AND AGRICULTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The number of essential mineral elements of plant is -
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12
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16
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20
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22
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Explanation:
Detailed explanation-1: -The 17 Essential Plant Elements include nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, chlorine, iron, manganese, zinc, copper, molybdenum, and nickel. The non-mineral essential plant elements include hydrogen, oxygen, and carbon.
Detailed explanation-2: -There are 11 trace minerals now considered essential to human health. Recommended Dietary Allowances have been established for the three that are essential for life: iron, zinc and iodine.
Detailed explanation-3: -The three main nutrients are nitrogen (N), phosphorus (P) and potassium (K). Together they make up the trio known as NPK. Other important nutrients are calcium, magnesium and sulfur.
There is 1 question to complete.