Table 2 Morphological characteristics of Z. mays plants in the presence and absence of earthworm.

P. excavatus

13.5 ± 0.95^a

82.6 ± 3.51^a

222 ± 12.28^a

517.24 ± 15.44^a

87.9 ± 5.43^a

107.55 ± 4.84^b

E. fetida

14.5 ± 0.95^a

63.25 ± 4.07^b

246 ± 19.05^a

592.16 ± 7.06^b

69.45 ± 4.1^b

126.49 ± 5.69^a

Control

13.5 ± 1.29^a

76.32 ± 4.45^ab

206 ± 13.22^a

517.71 ± 7.12^a

68.15 ± 1.95^b

104.59 ± 4.81^b

F

2.21

23.07

14.13

79.78

21.41

30.11

p-value

0.16

0.0002*

0001*

2.8321E-7*

0.000077*

0.000035*