[1]颜芳,刘继培,王伊琨,等.连续多年施肥后设施土壤N2O排放通量特征[J].江苏农业学报,2020,(04):949-954.[doi:doi:10.3969/j.issn.1000-4440.2020.04.020]
　YAN Fang,LIU Ji-pei,WANG Yi-kun,et al.Effects of long-term fertilization on N2O emission flux from greenhouse soil[J].,2020,(04):949-954.[doi:doi:10.3969/j.issn.1000-4440.2020.04.020]
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连续多年施肥后设施土壤N2O排放通量特征()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年04期
页码:
949-954
栏目:
耕作栽培·资源环境
出版日期:
2020-08-31

文章信息/Info

Title:
Effects of long-term fertilization on N2O emission flux from greenhouse soil
作者:
颜芳1; 刘继培2; 王伊琨1; 张蕾1; 赵凯丽1; 王维瑞1; 王胜涛1
(1.北京市土肥工作站，北京100029；2.北京市大兴区土肥工作站，北京102600）
Author(s):
YAN Fang1; LIU Ji-pei2; WANG Yi-kun1; ZHANG Lei1; ZHAO Kai-li1; WANG Wei-rui1; WANG Sheng-tao1
(1.Beijing Soil and Fertilizer Extension Service Station, Beijing 100029, China;2.Daxing Soil and Fertilizer Station, Beijing 102600, China)
关键词:
氧化亚氮(N2O); 长期施肥; 设施土壤
Keywords:
nitrous oxide(N2O); long-term fertilization; greenhouse soil
分类号:
S131
DOI:
doi:10.3969/j.issn.1000-4440.2020.04.020
文献标志码:
A
摘要:
为了研究连续多年施用有机肥、化肥后设施土壤N2O排放通量特征，设不施肥(T0）、有机无机配施(T1）、单施有机肥(T2）、单施化肥(T3）等4个处理，采用密闭式静态箱-气相色谱法测定了长期不同施肥处理对设施菜地N2O排放通量的影响。结果表明，设施菜田土壤有机肥和氮肥基施均会显著增加土壤N2O排放，追施氮肥后0～3 d也会出现明显的排放高峰。各处理在种植季内土壤N2O排放总量的次序是：T2(N 5.72～5.85 kg/hm2）>T1(N 4.06～4.21 kg/hm2）>T3(N 3.08～3.68 kg/hm2）>T0(N 0.53～0.76 kg/hm2）。可见，有机肥的施用可以增加设施菜地N2O排放，在氮素总量投入相同的前提下，连续10年有机无机配施后，土壤N2O的排放量比单独施用有机肥低，但比单独施用化肥高，因此，合理施用有机肥是减少温室气体N2O排放的重要措施。
Abstract:
In order to study the N2O emission flux characteristics of greenhouse soil after applying organic fertilizer and chemical fertilizer for many years, four treatments were set up, including control treatment (T0), combined application of inorganic fertilizer and organic fertilizer (T1), organic fertilizer (T2) and chemical fertilizer (T3). The static chamber-gas chromatograph technique was used to identify the effects of long-term fertilization on N2O emission flux from greenhouse soil. Results showed that the application of organic fertilizer and nitrogen fertilizer as base fertilizer significantly increased N2O emission. The emission peak of N2O generally occurred at 0-3 days after nitrogen topdressing. During the whole growing period, total N2O emission followed the order of T2(N 5.72-5.85 kg/hm2）>T1(N 4.06-4.21 kg/hm2）>T3(N 3.08-3.68 kg/hm2）>T0(N 0.53-0.76 kg/hm2）. The application of organic fertilizer can increase soil N2O emission. Under the premise of the same total nitrogen input, the N2O emission in the treatment of T1 for ten years was higher than that in the treatment of T3, but lower than that in the treatment of T2. Therefore, rational application of organic fertilizer is an important measure to reduce N2O emission.

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备注/Memo

备注/Memo:
收稿日期：2019-11-27基金项目：北京市农业科技项目(20180206)作者简介：颜芳(1988-），女，山东临朐人，硕士，农艺师，从事科学施肥和耕地质量管理工作。(E-mail)yyff19880927@163.com通讯作者：王胜涛，(E-mail)24030940@qq.com
更新日期/Last Update: 2020-09-08