PMID- 27913871 OWN - NLM STAT- MEDLINE DCOM- 20180222 LR - 20181113 IS - 1432-1254 (Electronic) IS - 0020-7128 (Linking) VI - 61 IP - 5 DP - 2017 May TI - N(2)O emission characteristics and its affecting factors in rain-fed potato fields in Wuchuan County, China. PG - 911-919 LID - 10.1007/s00484-016-1271-3 [doi] AB - Representing an important greenhouse gas, nitrous oxide (N(2)O) emission from cultivated land is a hot topic in current climate change research. This study examined the influences of nitrogen fertilisation, temperature and soil moisture on the ammonia monooxygenase subunit A (amoA) gene copy numbers and N(2)O emission characteristics. The experimental observation of N(2)O fluxes was based on the static chamber-gas chromatographic method. The ammonia-oxidising bacteria (AOB) and ammonia-oxidising archaea (AOA) gene copy numbers in different periods were measured by real-time polymerase chain reaction (PCR). The results indicated that rain-fed potato field was a N(2)O source, and the average annual N(2)O emission was approximately 0.46 +/- 0.06 kgN(2)O-N/ha/year. N(2)O emissions increased significantly with increase in fertilisation, temperatures below 19.6 degrees C and soil volumetric water content under 15%. Crop rotation appreciably decreases N(2)O emissions by 34.4 to 52.4% compared to continuous cropping in rain-fed potato fields. The significant correlation between N(2)O fluxes and AOB copy numbers implied that N(2)O emissions were primarily controlled by AOB in rain-fed potato fields. The research has important theoretical and practical value for understanding N(2)O emissions from rain-fed dry farmland fields. FAU - Wang, Liwei AU - Wang L AD - College of Resources and Environmental Science, China Agricultural University, No.2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China. AD - College of Agronomy, Shenyang Agricultural University, Shenyang, 110866, China. AD - Wuchuan Scientific Observing and Experimental Station of Agro-Environment, Ministry of Agriculture, Wuchuan, 011700, China. FAU - Wang, Cheng AU - Wang C AD - Corn Research Institute of Liaoning Academy of Agricultural Sciences, Shenyang, 110161, China. FAU - Pan, Zhihua AU - Pan Z AD - College of Resources and Environmental Science, China Agricultural University, No.2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China. panzhihua@cau.edu.cn. AD - Wuchuan Scientific Observing and Experimental Station of Agro-Environment, Ministry of Agriculture, Wuchuan, 011700, China. panzhihua@cau.edu.cn. FAU - Xu, Hui AU - Xu H AD - Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, China. FAU - Gao, Lin AU - Gao L AD - School of Resources and Environmental, Anhui Agricultural University, Hefei, 230036, China. FAU - Zhao, Peiyi AU - Zhao P AD - Wuchuan Scientific Observing and Experimental Station of Agro-Environment, Ministry of Agriculture, Wuchuan, 011700, China. AD - Institute of Resources Environmental and Detection Technology, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Huhhot, 010031, China. FAU - Dong, Zhiqiang AU - Dong Z AD - College of Resources and Environmental Science, China Agricultural University, No.2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China. AD - Wuchuan Scientific Observing and Experimental Station of Agro-Environment, Ministry of Agriculture, Wuchuan, 011700, China. FAU - Zhang, Jingting AU - Zhang J AD - College of Resources and Environmental Science, China Agricultural University, No.2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China. AD - Wuchuan Scientific Observing and Experimental Station of Agro-Environment, Ministry of Agriculture, Wuchuan, 011700, China. FAU - Cui, Guohui AU - Cui G AD - College of Resources and Environmental Science, China Agricultural University, No.2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China. AD - Wuchuan Scientific Observing and Experimental Station of Agro-Environment, Ministry of Agriculture, Wuchuan, 011700, China. FAU - Wang, Sen AU - Wang S AD - College of Resources and Environmental Science, China Agricultural University, No.2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China. AD - Wuchuan Scientific Observing and Experimental Station of Agro-Environment, Ministry of Agriculture, Wuchuan, 011700, China. FAU - Han, Guolin AU - Han G AD - College of Resources and Environmental Science, China Agricultural University, No.2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China. AD - Wuchuan Scientific Observing and Experimental Station of Agro-Environment, Ministry of Agriculture, Wuchuan, 011700, China. FAU - Zhao, Hui AU - Zhao H AD - College of Resources and Environmental Science, China Agricultural University, No.2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China. AD - Wuchuan Scientific Observing and Experimental Station of Agro-Environment, Ministry of Agriculture, Wuchuan, 011700, China. LA - eng PT - Journal Article DEP - 20161203 PL - United States TA - Int J Biometeorol JT - International journal of biometeorology JID - 0374716 RN - 0 (Air Pollutants) RN - 0 (Fertilizers) RN - 7664-41-7 (Ammonia) RN - EC 1.- (Oxidoreductases) RN - EC 1.7.3.- (ammonia monooxygenase) RN - K50XQU1029 (Nitrous Oxide) SB - IM MH - Agriculture/methods MH - Air Pollutants/*analysis MH - Ammonia/metabolism MH - Archaea/genetics/metabolism MH - Bacteria/genetics/metabolism MH - China MH - Fertilizers MH - Gene Dosage MH - Genes, Archaeal MH - Genes, Bacterial MH - Nitrous Oxide/*analysis MH - Oxidation-Reduction MH - Oxidoreductases/genetics MH - Rain MH - *Soil Microbiology MH - *Solanum tuberosum MH - Temperature OTO - NOTNLM OT - Ammonia-oxidising bacteria OT - Crop patterns OT - N2O emission OT - Nitrogen fertiliser EDAT- 2016/12/04 06:00 MHDA- 2018/02/23 06:00 CRDT- 2016/12/04 06:00 PHST- 2016/03/22 00:00 [received] PHST- 2016/10/30 00:00 [accepted] PHST- 2016/10/24 00:00 [revised] PHST- 2016/12/04 06:00 [pubmed] PHST- 2018/02/23 06:00 [medline] PHST- 2016/12/04 06:00 [entrez] AID - 10.1007/s00484-016-1271-3 [pii] AID - 10.1007/s00484-016-1271-3 [doi] PST - ppublish SO - Int J Biometeorol. 2017 May;61(5):911-919. doi: 10.1007/s00484-016-1271-3. Epub 2016 Dec 3.