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What is a nitrogen-fixing bacterium?
Quick Answer
A nitrogen-fixing bacterium converts nitrogen gas from the air into forms that plants can use. This process is essential for soil fertility and agriculture.
The Full Story
Nitrogen-fixing bacteria carry out a remarkable chemical process that turns atmospheric nitrogen into ammonia or related compounds. Plants cannot use nitrogen gas directly, so this conversion is vital for growth and ecosystem productivity. Some nitrogen-fixing bacteria live freely in soil, while others live in symbiosis with legumes in root nodules. Genera such as Rhizobium are well known for this partnership.
Key Facts
1.Converts atmospheric nitrogen into usable forms
2.Important for plant growth and soil fertility
3.Rhizobium lives in root nodules of legumes
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Suggested video title for this topic:
"The bacteria that make nitrogen usable for plants"
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