Lecture #18 - Lecture 18 The Nitrogen Cycle BBOM 11e Sec...

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1 Lecture 18 Lecture 18 The Nitrogen Cycle The Nitrogen Cycle BBOM 11e Sec. 19.12, 19.22, 12.3, 17.14, 12.9, 17.12 Quiz #3 Lectures 13-17 The Nitrogen Cycle: Major Reservoirs The Nitrogen Cycle: Major Reservoirs N 2 gas is Very stable NH 4 + The nitrogen cycle centers on NH 4 + (NH 3 ). Why is nitrogen so important? NO 3 - BBOM 11e Sec. 19.12 Answer: Plant productivity usually is limited by availability of N (NH4+) in soil
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