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不同施肥处理方式对稻田甲烷排放的影响 被引量:3

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摘要 该文利用"静态箱-气相色谱法",以安徽省巢湖典型圩区稻田为研究对象,研究了不同施肥处理方式对稻田温室气体甲烷排放的影响实验。结果表明:(1)不同施肥处理方式下,稻田的甲烷排放量规律性基本一致,其季节生长排放规律呈现"三峰型";(2)单季水稻田甲烷排放总量次序为:常规施肥>优化施肥>空白。(3)甲烷排放主要集中水稻生长的分蘖和孕穗扬花期,在水稻分蘖期是甲烷排放速率达到最高峰。(4)在保证水稻产量不减的情况下优化施肥可对水稻田甲烷减排27.1%。
出处 《安徽农学通报》 2016年第1期54-54,58,共2页 Anhui Agricultural Science Bulletin
基金 2014年安徽农业大学省级大学生创新创业计划项目(AH201410364060)
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