Q
From the sources of plant nutrients availability in soil, which of the following statements are correct:
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A
A. The plant absorbs carbon as carbondioxides directly from the atmosphere.
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B
B. Water is the source of hydrogen
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C
C. Air & water is the source of oxygen & the chief source of soil nitrogen is organic matter & when organic matter decomposes it gives ammonia.
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D
D. All of the above
Correct Answer:
D. D. All of the above
