Under drip irrigation, there is a strong alternation of wetting and drying, which affects the process of soil nitrification and denitrification, and consequently affects the emission of soil N2O. Therefore, it is very important to analyze and summarize the research progress of soil N2O emission under drip irrigation conditions by different scholars at home and abroad. This paper summarized the development status of drip irrigation technology, analyzed the research progress of soil N2O emission under drip irrigation, including the effects of temperature, humidity, soil texture and other factors on N2O emissions under drip irrigation conditions, pointed out the main research directions in China in the future.
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