[1]周炜,张岳芳,朱普平,等.种植制度对长江下游稻田温室气体排放的影响[J].江苏农业学报,2017,(02):340-345.[doi:doi:10.3969/j.issn.1000-4440.2017.02.016]
　ZHOU Wei,ZHANG Yue-fang,ZHU Pu-ping,et al.Effects of different cropping patterns on greenhouse gases emissions from rice fields in the lower reaches of Yangtze River[J].,2017,(02):340-345.[doi:doi:10.3969/j.issn.1000-4440.2017.02.016]
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种植制度对长江下游稻田温室气体排放的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2017年02期
页码:
340-345
栏目:
耕作栽培·资源环境
出版日期:
2017-04-30

文章信息/Info

Title:
Effects of different cropping patterns on greenhouse gases emissions from rice fields in the lower reaches of Yangtze River
作者:
周炜; 张岳芳; 朱普平; 盛婧; 陈留根; 郑建初
（江苏省农业科学院农业资源与环境研究所/江苏省农业科学院循环农业研究中心，江苏南京210014）
Author(s):
ZHOU Wei; ZHANG Yue-fang; ZHU Pu-ping; SHEN Jing; CHEN Liu-gen; ZHENG Jian-chu
（Institute of Agricultural Resources and Environment / Circular Agriculture Research Center, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China）
关键词:
种植制度; 稻田; 温室气体; 排放
Keywords:
cropping pattern; paddy field; greenhouse gas; emission
分类号:
S181
DOI:
doi:10.3969/j.issn.1000-4440.2017.02.016
文献标志码:
A
摘要:
为了精确估算稻田温室气体排放量以及为制定合理的减排措施提供数据，在江苏省苏州市进行了5 年田间定位试验，设计水稻-休闲（T1）、水稻-黑麦草（T2）、水稻-紫云英（T3）、水稻-小麦（T4）和水稻-油菜（T5）等5种种植制度，采用静态箱-气相色谱法研究了不同种植制度下稻田温室气体甲烷（CH4）和氧化亚氮（N2O）排放及其温室效应。结果表明：不同种植制度对稻季、非稻季以及周年的CH4和N2O排放以及总增温潜势均有极显著影响；周年CH4总排放量表现为T3（294.97 kg/hm2）＞T1（151.04 kg/hm2）＞T5（123.89 kg/hm2）＞T4（119.33 kg/hm2）＞T2（111.92 kg/hm2）；周年N2O排放总量表现为T5（3.26 kg/hm2）＞T4（2.56 kg/hm2）＞T2（2.33 kg/hm2）＞T3（2.26 kg/hm2）＞T1（1.42 kg/hm2）；不同种植制度处理周年排放的CH4和N2O所产生的总增温潜势以T3（8 857 kg/hm2）为最高，显著高于其他处理。可见，采用水稻-紫云英种植制度会明显增加长江下游稻田甲烷排放和温室效应。
Abstract:
A five-year field experiment was carried out in Suzhou, Jiangsu province to draw on the benefits of scientific evaluation of emissions of greenhouse gases (GHGs) and provide scientific instructions to develop rational measures for reducing GHGs emission from rice fields in the lower reaches of Yangtze River. By using static chamber/gas chromatographic techniques, this experiment was simultaneously measured for CH4 and N2O emissions under five rice-based cropping patterns: rice-fallow (T1), rice-ryegrass (T2), rice-Chinese milk vetch (T3), rice-wheat (T4), and rice-rape (T5). The results showed that the total CH4 and N2O emissions and global warming potentials (GWPs) in rice growing season, non-rice growing season and whole annual cycle were significantly influenced by cropping patterns. Annual total CH4 emissions under different cropping patterns were: T3（294.97 kg/hm2）> T1（151.04 kg/hm2）> T5（123.89 kg/hm2）> T4（119.33 kg/hm2）> T2（111.92 kg/hm2）. Annual total N2O emissions under different cropping patterns followed the order of T5 (3.26 kg/hm2) > T4 (2.56 kg/hm2) > T2 (2.33 kg/hm2) > T3 (2.26 kg/hm2) > T1 (1.42 kg/hm2). Annual GWPs of CH4 and N2O were significantly higher in T3 (8 857 kg/hm2) than those in T1, T5, T4 and T2. These results indicate that rice-ryegrass could increase CH4 emissions and intensify the greenhose effects in rice fields in the lower reaches of Yangtze River.

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备注/Memo

备注/Memo:
收稿日期：2015-06-18 基金项目：国家科技支撑计划项目（2012BAD14B12）；公益性行业（农业）科研专项经费项目（201503122） 作者简介：周炜（1982-），男，江苏无锡人，硕士，助理研究员，主要从事农业生态与农作制度研究。（Tel）025-84390192 通讯作者：张岳芳，（E-mail）yfzhang@jaas.ac.cn
更新日期/Last Update: 2017-05-02