Mean (ą standard error) pre- (i.e., establishment of the flood to end-of-season flood release) and post-flood-release (i.e., after end-of-season flood release) methane (CH<sub>4</sub>) emissions and emissions intensity among tillage practices (conventional tillage and no-tillage) and N-(n-butyl) thiophosphoric triamide (NBPT) rate (coated and non-coated urea) from rice grown on a silt-loam soil in the direct-seeded, delayed-flood production system at the Rice Research and Extension Center near Stuttgart, AR in 2017.

Table 2: Mean (± standard error) pre- (i.e., establishment of the flood to end-of-season flood release) and post-flood-release (i.e., after end-of-season flood release) methane (CH₄) emissions and emissions intensity among tillage practices (conventional tillage and no-tillage) and N-(n-butyl) thiophosphoric triamide (NBPT) rate (coated and non-coated urea) from rice grown on a silt-loam soil in the direct-seeded, delayed-flood production system at the Rice Research and Extension Center near Stuttgart, AR in 2017.

Treatment	Pre-flood-release CH₄ emissions (kg CH₄-C ha^-1 season^-1)	Post-flood-release CH₄ emissions (kg CH₄-C ha^-1 season^-1)	Emissions intensity [kg CH₄-C (Mg grain)^-1]
Conventional tillage	27.8 (2.0)	1.24 (0.16)	3.2 (0.22)
No-tillage	40.6 (3.2)	1.57 (0.17)	5.4 (0.34)
NBPT-coated urea	32 (3.6)	1.40 (0.17)	4.1 (0.53)
Non-coated urea	36.4 (3.4)	1.40 (0.19)	4.4 (0.46)