Plant growth-promoting activities of Streptomyces spp. in sorghum and rice

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Table 4 Effect of FOC antagonistic Streptomyces on soil biological activities and mineral nutrients at harvesting stage of rice cultivation

Treatment	Microbial biomass C (μg g^-1soil)	Microbial biomass N (μg g^-1soil)	Dehydrogenase activity (μg TPF g^-1soil 24 h^-1)	Total N (g kg^-1soil)	Available P (mg g^-1soil)	Organic carbon (%)
CAI-24	1715	60	94	2.456	0.133	1.49
CAI-121	3293	65	113	1.992	0.117	1.47
CAI-127	2875	88	194	2.644	0.115	1.52
KAI-32	4020	65	135	2.142	0.122	1.66
KAI-90	2946	62	136	2.160	0.129	1.62
Control	2861	58	111	1.190	0.087	1.47
Mean	2952	66	131	2.231	0.117	1.53
SE ±	150.5***	3.7**	9.3***	0.063*	0.005*	0,032*
LSD (5%)	520.7	12.0	29.7	0.229	0.019	0.116
CV%	9	10	12	4	6	3

C = carbon; N = nitrogen; P = phosphorous; SE = standard error; LSD = least significant difference; CV = coefficient of variance; * = statistically significant at 0.05; ** = statistically significant at p = 0.01; *** = statistically significant at p = 0.001.