TABLE 4.

Effect of chemical nitrogen fertilizer amounts on soil bacterial alpha diversity at pepino mature stage

Soil microbial	Alpha diversity indices	N0 treatment	N75 treatment	N150 treatment	N225 treatment	N300 treatment
Soil bacteria	ACE	4363.09 b ± 265.06	4433.55 b ± 86.87	4565.61 ab ± 102.82	4767.75 a ± 180.53	4492.31 ab ± 106.45
	Chao	4209.02 b ± 287.94	4306.15 ab ± 80.86	4418.78 ab ± 117.84	4624.84 a ± 158.50	4373.46 ab ± 78.11
	Shannon	6.80 a ± 0.02	6.68 a ± 0.23	6.81 a ± 0.02	6.88 a ± 0.06	6.81 a ± 0.01
	Simpson	0.0032 a ± 0.0001	0.0045 a ± 0.0002	0.0035 a ± 0.0001	0.0030 a ± 0.0002	0.0032 a ± 0.0001