Table 9.

Estimated average GWP (total, due to diesel, electricity, fertilizer, pesticides, N₂O, and methane emissions) of different scenarios during rabi (wheat) season, kharif (rice/maize) season, and at systems level based on 5-year average.¹

Scenario	Total GWP	GWP by diesel	GWP by electricity	GWP by fertilizers	GWP by pesticides	N2O emissions	CH4 emissions
kg CO2 equivalent ha−1
Wheat
1	1608a	111	448	801	17	231	0
2	1501b	32	447	782	17	223	0
3	1482b	37	482	740	17	211	0
4	1481b	37	475	736	17	210	0
Rice/maize
1	4713a	151	2908	862	62	409	320
2	3741b	143	2095	748	75	350	320
3	3209c	61	1683	854	71	401	140
4	2806d	20	276	882	51	1576	0
System (wheat + rice/maize + mungbean)
1	6321a	262	3355	1663	79	640	320
2	5402b	193	2693	1529	92	573	320
3	4861c	116	2316	1590	88	611	140
4	4455d	75	900	1622	68	1788	0

¹Within a column for each season and the system, means followed by the same small letter are not different at the 0.05 level of probability using Tukey’s HSD test.