Research Article
Tillage and Fertilizer Management Effects on Soil-Atmospheric Exchanges of Methane and Nitrous Oxide in a Corn Production System
Table 2
Tillage and fertilizer treatments used in the CH4 and N2O greenhouse gas flux study, Hazel Green, Alabama.
| | Treatment code | Tillage system | N source | N rate (kg N ha−1) | N application method |
| | CT-0N | Conventional (CT) | None | 0 | N/A | | CT-150AN-SA | Conventional (CT) | AN† | 150 | Surface application (SA) | | CT-150AN-SI | Conventional (CT) | AN | 150 | Soil incorporation (SI) | | CT-150PL-SA | Conventional (CT) | PL | 150 | Surface application (SA) | | CT-150PL-BA | Conventional (CT) | PL | 150 | Subsurface band application (BA) | | CT-150PL-SI | Conventional (CT) | PL | 150 | Soil incorporation (SI) | | NT-0N | No-till (NT) | None | 0 | N/A | | NT-150AN-SA | No-till (NT) | AN | 150 | Surface application (SA) | | NT-150PL-SA | No-till (NT) | PL | 150 | Surface application (SA) | | NT-150PL-BA | No-till (NT) | PL | 150 | Subsurface band application (BA) | | GF-0N | Grass Fallow (GF) | None | 0 | N/A |
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†AN: ammonium nitrate; PL: poultry litter.
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