Effects of ground bamboo application on weed suppression and rice production: a 3-year paddy field experiment

Table 2 Selected statistics from generalized linear models of the standard hydrogen electrode oxidation–reduction potential (ORP_SHE) of paddy surface soil in paddy field experiments conducted in 2017–2019

Parameter	Treatment			Treatment × day			Post-hoc comparison by day
	Treatment			Treatment × day			Day 1			Day 2			Day 3
	df	F	P	df	F	P	df	F	P	df	F	P	df	F	P
2017
ORP_SHE	4, 10	21.73	< 0.001	8, 20	2.50	< 0.001	4, 23	23.75	< 0.001	4, 23	10.10	< 0.001	4, 23	7.21	0.001
2018
ORP_SHE	4, 11	16.36	< 0.001	8, 22	3.06	0.018	4, 26	21.47	< 0.001	4, 26	7.04	0.001	4, 26	4.06	0.011
2019
ORP_SHE	4, 11	73.63	< 0.001	8, 22	18.12	< 0.001	4, 24	11.31	< 0.001	4, 24	85.49	< 0.001	4, 24	62.21	< 0.001

Significant differences (P < 0.05) are indicated by bold font. See Fig. 2 for the exact sampling dates for days 1–3 in each year

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