Table 1 Results from ANOVA testing the effects of fertilizer level, irrigation regime and rice ecotype on mycorrhizal inoculation effect (MIE) for yield-related traits (total biomass (Biomass), tiller number (Tiller), panicle number (Pan_Num), panicle weight (Pan_Weight), spikelet fertility (Fertility), thousand grain weight (TWG), harvest index (HI), plant height (Height), and maturity dates (Mat_Days)). Different letters in the pairwise comparisons indicate significant differences at p < 0.05.

Factors		Biomass	Tiller	Pan_Num	Pan_Weight	Fertility	TWG	HI	Height	Mat_Days
Irrigation	F-value	9.092	7.375	2.173	0.000	0.361	0.279	8.686	7.331	0.123
Irrigation	P-value	0.003	0.008	0.143	0.999	0.549	0.598	0.004	0.007	0.727
Fertilizer	F-value	4.640	1.923	2.800	0.312	3.685	0.897	2.118	2.501	3.412
Fertilizer	P-value	0.002	0.111	0.029	0.870	0.007	0.469	0.083	0.046	0.011
Ecotype	F-value	5.089	7.240	0.023	0.416	3.743	0.015	1.471	3.254	1.281
Ecotype	P-value	0.026	0.008	0.880	0.520	0.056	0.901	0.228	0.074	0.260
Pairwise comparisons
Irrigation	AWD	0.135 a	0.124 a	0.088 a	0.041 a	0.034 a	− 0.019 a	− 0.026 b	0.033 a	0.007 a
Irrigation	CF	0.068 b	0.039 b	0.039 a	0.041 a	0.020 a	− 0.009 a	0.053 a	0.001 b	0.006 a
Fertilizer	F1	0.183 a	0.111 a	0.156 a	0.002 a	0.116 a	− 0.021 a	0.036 a	0.052 a	− 0.005 b
	F2	0.099 ab	0.147 a	0.016 ab	0.003 a	0.025 ab	− 0.034 a	0.066 a	− 0.005 b	0.007 ab
	F3	0.115 ab	0.025 a	0.094 ab	0.086 a	− 0.002 b	− 0.013 a	− 0.007 a	0.011 ab	0.013 a
	F4	0.07112b	0.0781a	0.055 ab	0.089 a	− 0.007 b	0.020 a	− 0.049 a	0.011 ab	0.009 ab
	F5	0.0398b	0.0475a	− 0.002 b	0.023 a	0.005 b	− 0.023 a	0.022 a	0.015 ab	0.007 ab
Ecotype	Irrigated	0.12684a	0.124 a	0.066 a	0.018 a	0.004 a	− 0.015 a	− 0.003 a	0.027 a	0.008 a
Ecotype	Upland	0.07649b	0.039 b	0.061 a	0.063 a	0.050 a	− 0.013 a	0.030 a	0.006 a	0.005 a

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