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Corn Yield And Soil Nitrous Oxide Emission Under Different Fertilizer And Soil Management: A Three-Year Field Experiment In Middle Tennessee, Qi Deng, Dafeng Hui, Junming Wang, Stephen Iwuozo, Chih-Li Yu, Tigist Jima, David Smart, Chandra Reddy, Sam Dennis
Corn Yield And Soil Nitrous Oxide Emission Under Different Fertilizer And Soil Management: A Three-Year Field Experiment In Middle Tennessee, Qi Deng, Dafeng Hui, Junming Wang, Stephen Iwuozo, Chih-Li Yu, Tigist Jima, David Smart, Chandra Reddy, Sam Dennis
Agricultural and Environmental Sciences Faculty Research
Background
A three-year field experiment was conducted to examine the responses of corn yield and soil nitrous oxide (N2O) emission to various management practices in middle Tennessee.
Methodology/Principal Findings
The management practices include no-tillage + regular applications of urea ammonium nitrate (NT-URAN); no-tillage + regular applications of URAN + denitrification inhibitor (NT-inhibitor); no-tillage + regular applications of URAN + biochar (NT-biochar); no-tillage + 20% applications of URAN + chicken litter (NT-litter), no-tillage + split applications of URAN (NT-split); and conventional tillage + regular applications of URAN as a control (CT-URAN). Fertilizer equivalent to 217 kg N ha-1 was applied to …