The Effects of Rape Residue Mulching on Net Global Warming Potential and Greenhouse Gas Intensity from No-Tillage Paddy Fields

Table 2

Seasonal total emissions of CO₂ (g m⁻²), CH₄ (g m⁻²), and N₂O (mg m⁻²) from NT paddy fields under different residue mulching treatments.

Treatments	CO2	CH4	N2O
0 RRM	570±109^d	34.8±2.6^a	54.8±9.7^d
3000 RRM	986±126^c	22.8±3.3^a	79.2±8.5^c
4000 RRM	1346±239^b	16.6±3.6^c	95.1±10.0^b
6000 RRM	1632±313^a	8.84±3.1^d	125.1±9.4^a

Different letters in a column mean significant differences at the 5% level. Values are the means ± SD, 𝑛=3.