Table 2 Response of nematode density in different plant patterns under control and extreme rainfall (Individuals per 100 g dry soil) (mean ± SE).

Planting system	Cp	Z			Z-C			Z-M			Z-G			System	Rainfall	System* Rainfall
Genus	Cp	Control	Extreme rain	Sig.	Control	Extreme rain	Sig.	Control	Extreme rain	Sig.	Control	Extreme rain	Sig.	System	Rainfall	System* Rainfall
Pratylenchus	PP3	52 ± 15	114 ± 10ab	*	34 ± 7	87 ± 5bc	**	45 ± 15	48 ± 9c		56 ± 19	153 ± 29a	*	**	***	ns
Rhabditis	Ba1	167 ± 16B	108 ± 3a	*	115 ± 20B	36 ± 11b	*	122 ± 13B	75 ± 6a	*	563 ± 98 A	87 ± 17a	**	***	***	***
Mesorhabditis	Ba1	35 ± 12B	7 ± 4		0B	15 ± 4	*	25 ± 5B	11 ± 6		172 ± 19 A	7 ± 4	**	***	***	***
Acrobeloides	Ba2	99 ± 8 A	131 ± 25a		51 ± 2B	67 ± 8bc		92 ± 14 A	11 ± 6c	**	95 ± 16 A	89 ± 22ab		**	ns	**
Alaimus	Ba4	57 ± 8B	44 ± 3b		46 ± 2B	78 ± 6ab	**	130 ± 13 A	59 ± 13b	*	32 ± 3B	103 ± 15a	**	**	ns	***
Aphelenchus	Fu2	90 ± 12 A	45 ± 9	*	47 ± 1B	18 ± 6	*	8 ± 4 C	18 ± 6		27 ± 6BC	38 ± 11		***	*	**
Ditylenchus	Fu2	18 ± 5B	6 ± 3b		4 ± 2B	0 ± 0b		9 ± 5B	21 ± 4a		40 ± 11 A	4 ± 4a	*	*	*	**
Diphtherophora	Fu3	14 ± 2	10 ± 5ab		9 ± 3	6 ± 3b		9 ± 5	27 ± 9a		5 ± 5	4 ± 4b		ns	ns	ns
Mesodorylaimus	Op5	69 ± 16BC	10 ± 1c	*	26 ± 1 C	44 ± 10b		151 ± 26 A	66 ± 5a	*	123 ± 14AB	21 ± 5c	**	***	***	**

Mixed cultures of Z. bungeanum and G. max (Z-G), Z. bungeanum and M. sativa (Z-M), and Z. bungeanum and C. annuum (Z-C), and monoculture Z. bungeanum (Z).
Different uppercase letters indicate significant differences among control (normal rainfall) treatments; different lowercase letters indicate significant differences among extreme rainfall treatments.
ANOVA was used to assess the effects of extreme rainfall on soil properties. *P < 0.05, **P < 0.01, ***P < 0.001.

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