Summary
Nitrous oxide (N<sub>2</sub> O) is an air pollutant of major environmental concern, with agriculture representing 60% of anthropogenic global N<sub>2</sub> O emissions. Much of the N<sub>2</sub> O emissions from livestock production systems result from transformation of N deposited to soil within animal excreta. There exists a substantial body of literature on urine patch N<sub>2</sub> O dynamics, we aimed to identify key controlling factors influencing N<sub>2</sub> O emissions and to aid understanding of knowledge gaps to improve GHG reporting and prioritize future research. We conducted an extensive literature review and random effect meta-analysis (using REML) of results to identify key relationships between multiple potential independent factors and global N<sub>2</sub> O emissions fa
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