Pulse Brain · Growing Health Evidence Index
Peer-reviewed

The combination of 3,4-dimethylpyrazole phosphate and alternate drip irrigation with low irrigation quotas resulted in the lowest NH3 and N2O emissions

Shuang Li, Yajun Geng, Huijie Li, Tao Zhou, Hongchen Li, Ruiqi Ren, Peng Li, Fangzhi Duan, Zhandong Liu, Haitao Wang, Bing Cheng Si

Agricultural Water Management · 2025

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Summary

Mitigating reactive nitrogen loss from soil is critical for sustainable agricultural intensification. However, the combined effects of the nitrification inhibitor DMPP (3,4-dimethylpyrazole phosphate) and irrigation strategies on soil nitrogen dynamics remain unclear. A two-year experiment in the North China Plain evaluated how DMPP application, irrigation method (alternate vs. conventional drip irrigation), and irrigation quota (27 mm vs. 36 mm) affected soil NH₃ and N₂O emissions, physicochemical properties, enzyme activities, and microbial communities in summer maize systems. DMPP application, irrigation method and irrigation quota significantly affected soil urease and catalase activities, while alkaline phosphatase was mainly influenced by irrigation method ( P < 0.05). Actinobacterio

Subject
Cereals & grains
Source type
Peer-reviewed study
System type
Other
DOI
10.1016/j.agwat.2025.110064
Catalogue ID
SNmpc6181l-nee71i
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