Estimated daily global warming potential (GWP) from a silt-loam soil at the Rice Research and Extension Center near Stuttgart, AR across years (2018 and 2019), tillage [conventional tillage (CT) and no-tillage (NT)], and site positions (up-, mid-, and down-slope). Reported values are least square means.

Table 7: Estimated daily global warming potential (GWP) from a silt-loam soil at the Rice Research and Extension Center near Stuttgart, AR across years (2018 and 2019), tillage [conventional tillage (CT) and no-tillage (NT)], and site positions (up-, mid-, and down-slope). Reported values are least square means.

Gas	Year	Position	Tillage	Emissions (mg CO₂ equivalents m^-2 d^-1)
GWP	2018	Up	-	32811 A^†
		Mid		33653 A
		Down		25118 B
	2019	Up	-	18827 C
		Mid		22538 BC
		Down		40569 A

† Means with different letters are different at P < 0.05.