Type of crop

residues

Time (week)

0

4

8

12

16

Corn stalk

12.16 ± 0.87^d

44.58 ± 5.72^c

75.48 ± 3.26^a

76.59 ± 3.15^a

63.80 ± 5.17^b

Millet straw

12.16 ± 0.11^c

63.46 ± 11.53^b

62.70 ± 6.32^b

62.70 ± 8.1^b

76.89 ± 2.81^a

Rice straw

12.16 ± 1.51^d

57.39 ± 2.67^a

91.70 ± 4.17^a

78.25 ± 9.57^b

60.34 ± 8.15^c

Sorghum stalk

12.16 ± 0.6^c

66.08 ± 4.21^b

63.24 ± 7.41^b

75.88 ± 3.6^a

62.23 ± 2.84^b