Table 3 Energy (MJ ha⁻¹) balance under different management practices in rice, wheat and RW system (mean of 3 years).

45,685

24,869

70,538^A

217,461^B

153,780^C

371,241^C

171,792^E

79,378^C

300,703^D

4.77^D

6.19^E

5.27^D

0.15

0.21

0.17

45,685

24,869

70,538^A

220,720^B

156,036^BC

376,756^C

175,051^DE

80336^BC

306,218^D

4.84^D

6.28^E

5.35^D

0.15

0.21

0.17

37,165

22,063

59,212^B

217,292^B

162,005^B

379298^C

180,144^CD

82,831^B

320,085^C

5.86^C

7.34^D

6.41^C

0.18

0.24

0.21

36,005

20,669

56,657^C

221,854^AB

169,805^A

391,659^B

185,865^BC

86,971^A

335,002^B

6.19^BC

8.22^C

6.92^B

0.19

0.28

0.22

33,753

19,264

53,001^D

222,944^AB

173,759^A

396,704^AB

189,208^AB

88,872^A

343,703^AB

6.64^AB

9.03^B

7.51^A

0.20

0.30

0.24

32,606

18,476

51,067^E

228,562^A

175,866^A

404,428^A

195,972^A

89,906^A

353,362^A

7.05^A

6.19^E

7.94^A

0.22

0.32

0.26