Effect of Different Formula Fertilizations on Soil Enzyme Activity, Microbial Community Structure, Fruit Yield and Quality in Camellia oleifera Woodland

doi:10.11924/j.issn.1000-6850.casb2023-0366

Abstract

Abstract:

To explore the reasonable fertilization technical measures of Camellia oleifera woodland, slow release fertilizer, compound fertilizer, organic fertilizer and fertilizer depth were used as test factors, and different ratios were designed into nine treatments and CK. The effect of different proportion on soil urease, sucrase, acid phosphatase, catalase activity and total organic carbon, microbial carbon content was studied, and its influence on nutrient content of leaves, fresh fruit quality, oil ratio and fatty acid component content difference was investigated. The results showed that there were significant differences in the activities of urease, sucrase, acid phosphatase and catalase in soil, and the contents of total organic carbon and microbial biomass carbon, as well as in the nutrient content of leaves, fruit weight of single plant, oil content of seed kernel and fatty acid components among the 10 fertilization treatments. The activities of urease, sucrase, acid phosphatase and catalase and the contents of total organic carbon and microbial biomass carbon in soil of treatment 6 and treatment 7 were higher than those of control by 63.45%, 67.15%, 27.34%, 45.52%, 206.49% and 51.41%, respectively. The results of treatments 7, 6, 9 and 8 showed the better effects, fruit weight per plant was up to 5.56 kg, which was 148.41% higher than that of control; the highest oil content of seed kernel was 36.63%, which was 22.51% higher than that of control. The correlation showed that soil enzymes were significantly correlated with kernel oil content and fruit quality, and soil carbon content was significantly correlated with fruit quality per plant. The results showed that treatment 7 and treatment 6 could significantly increase soil enzyme activity and soil carbon content, so as to improve the yield and oil content of camellia and the fruit quality.

Key words: formula fertilization, Camellia oleifera, soil enzyme activity, yield, quality

ZOU Yingwu, DU Yangwen, CHENG Junyong, LI Jinzhu, XIA Jianmei, JIANG Yingchun. Effect of Different Formula Fertilizations on Soil Enzyme Activity, Microbial Community Structure, Fruit Yield and Quality in Camellia oleifera Woodland[J]. Chinese Agricultural Science Bulletin, 2023, 39(31): 113-121.

Figures/Tables 19

References 26

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处理	N	P	K
CK	10.28±0.1249h	7.06±0.0458hi	0.50±0.0208f
1	12.69±0.1168f	7.74±0.0451d	0.72±0.0061c
2	13.41±0.0200c	8.33±0.0451a	0.74±0.0032b
3	12.70±0.0473f	8.06±0.0458b	0.62±0.0031e
4	13.83±0.0200a	7.97±0.0557c	0.73±0.0065bc
5	13.62±0.0603b	7.65±0.0404e	0.77±0.0061a
6	13.12±0.0416e	7.23±0.0473f	0.72±0.0036c
7	13.30±0.0322d	7.03±0.0208i	0.74±0.0047b
8	12.22±0.0306g	7.14±0.0265g	0.63±0.004d
9	12.12±0.0306g	7.13±0.0153gh	0.64±0.0066d

处理	N	P	K
CK	10.28±0.1249h	7.06±0.0458hi	0.50±0.0208f
1	12.69±0.1168f	7.74±0.0451d	0.72±0.0061c
2	13.41±0.0200c	8.33±0.0451a	0.74±0.0032b
3	12.70±0.0473f	8.06±0.0458b	0.62±0.0031e
4	13.83±0.0200a	7.97±0.0557c	0.73±0.0065bc
5	13.62±0.0603b	7.65±0.0404e	0.77±0.0061a
6	13.12±0.0416e	7.23±0.0473f	0.72±0.0036c
7	13.30±0.0322d	7.03±0.0208i	0.74±0.0047b
8	12.22±0.0306g	7.14±0.0265g	0.63±0.004d
9	12.12±0.0306g	7.13±0.0153gh	0.64±0.0066d

指标	SUE	SSC	SACP	SCAT	TOC	MBC	ORK	CA	PA	OA	LA	LLA	ALA	EA	SFQ	TN	TP	TK
SUE	1
SSC	0.824^**	1
SACP	0.860^**	0.819^**	1
SCAT	0.496	0.596	0.314	1
TOC	0.712^*	0.820^**	0.608	0.588	1
MBC	0.741^*	0.853^**	0.784^**	0.560	0.911^**	1
ORK	0.739^*	0.528	0.656^*	0.245	0.295	0.409	1
CA	-0.103	-0.293	-0.234	-0.049	0.065	-0.027	-0.487	1
PA	0.032	-0.022	-0.109	0.150	0.330	0.181	-0.438	0.929^**	1
OA	-0.253	-0.197	-0.078	-0.388	-0.505	-0.401	0.214	-0.778^**	-0.903^**	1
LA	0.904^**	0.839^**	0.923^**	0.319	0.612	0.750^*	0.845^**	-0.37	-0.241	0.026	1
LLA	-0.854^**	-0.647^*	-0.866^**	-0.265	-0.374	-0.560	-0.892^**	0.244	0.193	0.003	-0.920^**	1
ALA	0.004	-0.061	-0.136	0.169	0.307	0.129	-0.538	0.906^**	0.965^**	-0.870^**	-0.319	0.289	1
EA	0.298	0.526	0.435	0.297	0.364	0.534	0.153	-0.499	-0.433	0.164	0.418	-0.178	-0.367	1
SFQ	0.506	0.518	0.587	0.448	0.693^*	0.809^**	0.376	0.021	0.113	-0.189	0.557	-0.447	0.048	0.249	1
TN	0.744^*	0.561	0.430	0.749^*	0.682^*	0.588	0.405	0.352	0.498	-0.656^*	0.472	-0.501	0.453	-0.083	0.482	1
TP	0.867^**	0.741^*	0.756^*	0.384	0.579	0.534	0.624	-0.096	0.055	-0.093	0.778^**	-0.750^*	0.029	-0.012	0.417	0.656^*	1
TK	0.734^*	0.467	0.382	0.611	0.594	0.455	0.565	0.224	0.354	-0.495	0.493	-0.549	0.298	-0.242	0.425	0.939^**	0.691^*	1

指标	SUE	SSC	SACP	SCAT	TOC	MBC	ORK	CA	PA	OA	LA	LLA	ALA	EA	SFQ	TN	TP	TK
SUE	1
SSC	0.824^**	1
SACP	0.860^**	0.819^**	1
SCAT	0.496	0.596	0.314	1
TOC	0.712^*	0.820^**	0.608	0.588	1
MBC	0.741^*	0.853^**	0.784^**	0.560	0.911^**	1
ORK	0.739^*	0.528	0.656^*	0.245	0.295	0.409	1
CA	-0.103	-0.293	-0.234	-0.049	0.065	-0.027	-0.487	1
PA	0.032	-0.022	-0.109	0.150	0.330	0.181	-0.438	0.929^**	1
OA	-0.253	-0.197	-0.078	-0.388	-0.505	-0.401	0.214	-0.778^**	-0.903^**	1
LA	0.904^**	0.839^**	0.923^**	0.319	0.612	0.750^*	0.845^**	-0.37	-0.241	0.026	1
LLA	-0.854^**	-0.647^*	-0.866^**	-0.265	-0.374	-0.560	-0.892^**	0.244	0.193	0.003	-0.920^**	1
ALA	0.004	-0.061	-0.136	0.169	0.307	0.129	-0.538	0.906^**	0.965^**	-0.870^**	-0.319	0.289	1
EA	0.298	0.526	0.435	0.297	0.364	0.534	0.153	-0.499	-0.433	0.164	0.418	-0.178	-0.367	1
SFQ	0.506	0.518	0.587	0.448	0.693^*	0.809^**	0.376	0.021	0.113	-0.189	0.557	-0.447	0.048	0.249	1
TN	0.744^*	0.561	0.430	0.749^*	0.682^*	0.588	0.405	0.352	0.498	-0.656^*	0.472	-0.501	0.453	-0.083	0.482	1
TP	0.867^**	0.741^*	0.756^*	0.384	0.579	0.534	0.624	-0.096	0.055	-0.093	0.778^**	-0.750^*	0.029	-0.012	0.417	0.656^*	1
TK	0.734^*	0.467	0.382	0.611	0.594	0.455	0.565	0.224	0.354	-0.495	0.493	-0.549	0.298	-0.242	0.425	0.939^**	0.691^*	1