NDLI: Soil Respiration and N$_{2}$O Flux Response to UV-B Radiation and Straw Incorporation in a Soybean

Content Provider	Springer Nature Link
Author	Hu, Zhenghua Cui, Hailing Chen, Shutao Shen, Shuanghe Li, Hanmao Yang, Yanping Li, Cenzi
Copyright Year	2012
Abstract	Field experiments were conducted in the 2008–2009 soybean and winter wheat-growing seasons to assess soil respiration (SR) and nitrous oxide (N$_{2}$O) emission as affected by enhanced UV-B radiation and straw incorporation. The SR rate was measured using a soil CO$_{2}$ flux system; the N$_{2}$O flux was measured using a static chamber–gas chromatograph technique. The results showed that in the soybean and winter wheat-growing seasons, enhanced UV-B radiation significantly decreased the SR rates and that straw incorporation increased the SR rates compared to the control treatment. The combined treatment of UV-B and straw incorporation had no obvious influence on the SR rates. Enhanced UV-B radiation, straw incorporation, and the combination treatment increased the temperature sensitivity of SR in the soybean-growing season. The study also showed that N$_{2}$O emissions were reduced by enhanced UV-B radiation and that straw incorporation had no significant effects on the mean N$_{2}$O emission fluxes in the soybean and winter wheat-growing seasons. Our findings suggest that enhanced UV-B radiation may lead to a decrease in SR and in N$_{2}$O emissions, straw incorporation may increase SR, and the combined treatment may have no significant influence on SR and N$_{2}$O emissions from soybean–winter wheat rotation systems.
Starting Page	1
Ending Page	12
Page Count	12
File Format	PDF
ISSN	00496979
Journal	Water, Air, and Soil Pollution
Volume Number	224
Issue Number	1
e-ISSN	15732932
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-11-28
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	UV-B radiation Straw incorporation Soil respiration N$_{2}$O fluxes Soybean Winter wheat Environment Atmospheric Protection/Air Quality Control/Air Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution Soil Science & Conservation Hydrogeology Climate Change
Content Type	Text
Resource Type	Article
Subject	Ecological Modeling Environmental Chemistry Pollution Environmental Engineering Water Science and Technology

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