Crops and the Atmosphere: Trace Gas Exchanges

Authored by: Jürgen Kreuzwieser , Heinz Rennenberg

Encyclopedia of Natural Resources

Print publication date:  July  2014
Online publication date:  June  2014

Print ISBN: 9781439852583
eBook ISBN: 9781351043847
Adobe ISBN:

10.1081/E-ENRA-120049201

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Abstract

In its natural atmospheric environment, vegetation is exposed to a plethora of trace gases that interact with plants in numerous different ways. The impact of such gases can be critical for natural ecosystems and crops as they potentially affect plant health, growth, and yield. On the contrary, under specific conditions, some of these gases can even be of nutritional use for the plants. Most trace gases can be exchanged between foliage and the atmosphere, i.e., taken up or emitted usually by the plants’ foliage. The present entry focuses on the plant physiological and physicochemical background determining the exchange of trace gases between leaves and the atmosphere.

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