Plant cannot use the nitrogen present in the soil directly, why?
Answers
Answer:
yes, it's true that plants cannot use the nitrogen present in the soil directly
Explanation:
because atmospheric nitrogen is present as dinitrogen and it has triple bonds in its structure so, Plants cannot readily take them.
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Because plants obtain their nitrogen indirectly from the air through microorganisms in the soil and in certain plant roots.
Explanation:
Plants don't get their nitrogen directly from the air. Although nitrogen is the most abundant element in the air, each nitrogen atom in the air is triple-bonded to another nitrogen atom to form molecular nitrogen, N₂. This triple bond is very strong and very hard to break (it takes energy to break chemical bonds, while energy is only released when bonds are formed). As a result, even though nitrogen in the air is very common, it is energetically unfavorable for a plant to break down the nitrogen molecule in order to get the raw atoms it can use.
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