โ™ป๏ธap environmental science review

Nitrogen fixation

Written by the Fiveable Content Team โ€ข Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated August 2025

Definition

The process by which atmospheric nitrogen is converted into ammonia or other nitrogen compounds that are available for uptake by plants and can be synthesized into plant tissue.

AP course connection

Topic 1.5: 1.5 The Nitrogen Cycle

Unit 1

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