Effects of different grass types on soil properties and fruit quality in a mountain Myrica rubra orchard

doi:10.16178/j.issn.0528-9017.20260252

Abstract

Abstract:

This study focused on a mountain Myrica rubra orchard in Wencheng County，Wenzhou，Zhejiang Province，and established four grass treatments（Vulpia myuros，Lolium perenne L.，Vicia villosa var. glabrescens，Astragalus sinicus L.）along with a clean tillage control treatment to investigate the effects of different grass types on soil properties and fruit quality in a mountain Myrica rubra orchard.The results showed that the soil environment and fruit quality effectively improved with grass cultivation，and there were differences in cultivation effects among different grass types. Grass cultivation could increase soil bulk density，pH value and available nutrients contents，which were better than clean tillage. Among them，Vulpia myuros，Lolium perenne L.，Vicia villosa var. glabrescens could maintain soil bulk density with the suitable range；Vulpia myuros and Vicia villosa var. glabrescens could significantly（p<0.05）improve soil organic matter content；Vicia villosa var. glabrescens exhibited optimal efficacy in enhancing soil alkali-hydrolyzable nitrogen content；Lolium perenne L. exhibited optimal efficacy in improving available phosphorus content；Vulpia myuros and Vicia villosa var. glabrescens could significantly increase available potassium content. In terms of fruit quality，grass types had no significant effect on total acid content and fruit shape index compared with the control，but could significantly promote fruit expansion and increase single fruit weight. Vulpia myuros demonstrated optimal efficacy in increasing fruit transverse diameter and single fruit weight；Astragalus sinicus L. could significantly increase fruit longitudinal diameter；Vicia villosa var. glabrescens treatment resulted in the highest soluble solids content，sugar content and solid-acid ratio，and the best flavor. Overall，Vicia villosa var. glabrescens was the superior species by considering the soil conditions，nutrient requirements and production input in a mountain Myrica rubra orchard，which could improve soil nitrogen and potassium supply capacity of soil，increase soil organic matter content and improve fruit quality.

Key words: mountain Myrica rubra orchard, grass cultivation, soil properties, fruit quality

CLC Number:

S436.67

ZHANG Jiajia. Effects of different grass types on soil properties and fruit quality in a mountain Myrica rubra orchard[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(6): 1366-1370.

Figures/Tables 4

References 14

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处理	667 m²鲜重/kg	全氮含量/（g·kg^-1）	全磷含量/（g·kg^-1）	全钾含量/（g·kg^-1）
T1	932.00±174.23 c	14.37±0.75 c	14.37±0.75 c	24.80±1.47 b
T2	1 130.90±412.24 b	27.93±0.12 a	27.93±0.12 a	36.13±5.08 a
T3	1 922.80±563.60 a	13.63±1.99 d	13.63±1.99 d	34.60±3.57 a
T4	183.57±55.64 d	21.47±1.23 b	21.47±1.23 b	30.50±3.22 a

处理	667 m²鲜重/kg	全氮含量/（g·kg^-1）	全磷含量/（g·kg^-1）	全钾含量/（g·kg^-1）
T1	932.00±174.23 c	14.37±0.75 c	14.37±0.75 c	24.80±1.47 b
T2	1 130.90±412.24 b	27.93±0.12 a	27.93±0.12 a	36.13±5.08 a
T3	1 922.80±563.60 a	13.63±1.99 d	13.63±1.99 d	34.60±3.57 a
T4	183.57±55.64 d	21.47±1.23 b	21.47±1.23 b	30.50±3.22 a

处理	播种量/kg	种子单价/（元·kg^-1）	成本/元
T1	1.5	440	660
T2	2.0	36	72
T3	4.0	36	144
T4	2.5	34	85

处理	播种量/kg	种子单价/（元·kg^-1）	成本/元
T1	1.5	440	660
T2	2.0	36	72
T3	4.0	36	144
T4	2.5	34	85

处理	土壤容重/ （g?cm^-3）	pH值	有机质含量/ （g?kg^-1）	碱解氮含量/ （mg?kg^-1）	有效磷含量/ （mg?kg^-1）	速效钾含量/ （mg?kg^-1）
CK	0.87±0.13 c	4.31±0.24 b	17.30±5.05 b	77.30±2.08 b	4.50±0.21 c	102.00±20.43 b
T1	1.20±0.37 b	5.92±0.63 a	29.50±10.51 a	107.70±21.73 a	84.50±63.08 ab	142.00±28.38 a
T2	1.28±0.21 b	6.18±0.70 a	25.00±5.18 ab	91.30±28.29 a	86.80±53.38 a	105.00±23.71 b
T3	1.19±0.14 b	5.57±0.14 ab	28.50±7.27 a	112.30±21.01 a	28.70±24.08 bc	169.00±60.23 a
T4	1.58±0.03 a	5.89±0.03 a	20.80±0.21 ab	91.10±3.57 a	22.50±0.78 bc	118.00±1.00 ab