Biology · Ecology
What is the primary source of nitrogen that can be directly assimilated by most plants in the soil?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Atmospheric nitrogen gas (N 2 )
- 2Nitrogen compounds in the soil (such as nitrates and ammonium)✓
- 3Nitrogen dissolved in deep ocean water
- 4Organic nitrogen in rocks
Correct answer
Nitrogen compounds in the soil (such as nitrates and ammonium)
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