Modeling ammonia volatilization following urea and controlled-release urea application to paddy fields

Xinrui Shi,Xiaokun Li,Chen Guo,Puyu Feng,Kelin Hu

Computers and Electronics in Agriculture（2022）

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摘要

•The WHCNS model performed well in simulating NH3 flux measured by a continuous ventilation method.•Urea split application reduced the peak of NH3 flux but increased total NH3 loss.•Controlled-release urea application significantly reduced NH3 loss compared to urea.•The controlled-release urea rate was recommended to reduce N loss without reducing yield.

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关键词

Rice,Controlled-release urea,Yield,Ammonia volatilization,WHCNS model

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