Tillage and Fertilizer Management Effects on Soil-Atmospheric Exchanges of Methane and Nitrous Oxide in a Corn Production System
Soil N2O fluxes as influenced by tillage systems and ammonium nitrate (AN) and poultry litter (PL) N fertilizers using surface (SA), soil incorporation (SI), and subsurface band (BA) application methods in spring, summer, fall, and winter seasons, Hazel Green, Alabama.
N2O flux (g ha−1 day−1)
150 kg N ha−1 AN-SA
150 kg N ha−1 AN-SI
150 kg N ha−1 PL-SA
150 kg N ha−1 PL-SI
150 kg N ha−1 PL-BA
†Means for tillage system or N fertilizer treatment within a season followed by the same letter are not significantly different at the level.
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