Comparative effects of crop residue incorporation and inorganic potassium fertilization on soil C and N characteristics and microbial activities in cotton field

Table 7 Effects of WSOC/SOC, MBC/SOC, WIN/TN, MBN/TN and MBC/MBN ratios on cellulose-decomposing bacteria amounts, cellulase, β-glucosidase and arylamidase activities analyzed by linear mixed models using the SAS software

Item	Cellulose-decomposing bacteria amount	Cellulase	β-glucosidase	Arylamidase
WSOC/SOC	4.128*	2.606	9.643**	4.065*
MBC/SOC	4.563*	6.099*	16.474**	0.149
WIN/TN	0.057	1.848	0.808	1.393
MBN/TN	2.421	4.257*	6.687*	8.977**
MBC/MBN	4.827*	4.500*	7.048**	4.159*

WSOC, water-soluble organic carbon content; SOC, soil organic carbon; MBC, microbial biomass carbon; WIN, water inorganic nitrogen; TN, total nitrogen; MBN, microbial biomass nitrogen; MBC, microbial biomass carbon
**P < 0.01, *P < 0.05

ISSN: 2523-3254