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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wang Lianfeng Han Zuoqiang Sun Xin Zhang Xilin Cai Yanjiang |
| Copyright Year | 2010 |
| Abstract | Snowfall is a general natural phenomenon in winter-spring alternate season in northeast of China. Snow was melt with the increase of temperature, i.e. freezing-thawing alternations affects soil properties. Static chamber technique was used to monitor nitrous oxide (N2O) flux from black soils in a snowfall process. The fertilization treatments are none (CK), 150 kg N ha-1 (N1), 300 kg N ha-1 (N2) and 150 kg N ha-1 organic manure plus 150 kg N ha-1 chemical nitrogen fertilizer (M1N1). Before snowfall, there is insignificant difference in N2O emission from four treatments. After snowfall, N2O emission from CK, N1, N2 and M1N1 is 9.56, 9.16, 9.86, 9.91 mg N2O-N m-2 during 55-hour monitoring period, respectively (p<0.05). Snowmelt increase soil moisture content, which significantly stimulated the soil N2O emissions, meanwhile, freezing-thawing alternations influences N2O emission. The findings indicate that effect of snow on N2O emission should be considered separately, i.e. before and after snowfall. |
| Starting Page | 1 |
| Ending Page | 4 |
| File Size | 267210 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424447121 |
| ISSN | 21517622 |
| DOI | 10.1109/ICBBE.2010.5515395 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-06-18 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Temperature Snow Aggregates Atmosphere Soil Lead Nitrogen Sun Monitoring Fertilizers |
| Content Type | Text |
| Resource Type | Article |
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