Table 5. Effects of probiotics, probiotics + fulvic acid, and fulvic acid at 1 litter per ton of compost on reduction of complex odors 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	145	65	35	48	27	10	-	-
2^nd	98	57	41	36	23	9	-	-
3^rd	105	78	54	41	20	7	-	-
4^th	58	25	12	24	19	8	-	-
5^th	45	29	19	32	14	7	-	-
6^th	47	31	7	26	10	4	-	-
7^th	39	27	10	19	9	3	-	-
8^th	28	21	6	11	16	0	-	-
Mean	71^a	42^b	23^bcd	30^bc	17^cd	6^d	5	< 0.001

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