Table 8. Effects of probiotics, probiotics + fulvic acid, and fulvic acid at 1 litter per ton of compost on dimethylamine production of compost before and after incubating¹⁾

Item	Before incubating			After incubating			SEM	p-value
Item	Probiotics	Probiotics + fulvic acid	Fulvic acid	Probiotics	Probiotics + fulvic acid	Fulvic acid	SEM	p-value
1^st	170	92	57	8	39	19	-	-
2^nd	135	98	46	10	34	17	-	-
3^rd	154	110	48	11	30	13	-	-
4^th	45	46	10	6	15	12	-	-
5^th	84	52	21	3	21	14	-	-
6^th	92	48	19	5	32	19	-	-
7^th	53	26	13	0	18	9	-	-
8^th	42	13	8	2	16	5	-	-
Mean	97^a	61^b	28^c	6^c	26^c	14^c	7	< 0.001

The probiotics and fulvic acid products were diluted to 0.1% using water. A complex odor sensor was used to measure the dimethylamine production.
Within a column means without a common superscript differ (p < 0.05).