Effects of straw mulching on water, heat, fertility status of soil and yield and quality of flat peach

doi:10.3969/j.issn.1004-1524.20240689

Acta Agriculturae Zhejiangensis ›› 2025, Vol. 37 ›› Issue (9): 1924-1932.DOI: 10.3969/j.issn.1004-1524.20240689

• Horticultural Science • Previous Articles Next Articles

Effects of straw mulching on water, heat, fertility status of soil and yield and quality of flat peach

ZHU Weijing¹(), WU Jia¹, HONG Chunlai¹, ZHU Fengxiang¹, HONG Leidong¹, ZHANG Tao¹, ZHANG Shuo², ZHU Huifen³^,^*()

¹ Institute of Environment, Resource, Soil and Fertilizer, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
² Ningbo Agricultural and Rural Green Development Center, Ningbo 315012, Zhejiang, China
³ Agriculture and Rural Affairs Office of Mazhu Town, Yuyao City, Yuyao 315400, Zhejiang, China

Received:2024-07-26 Online:2025-09-25 Published:2025-10-15
Contact: ZHU Huifen

Abstract

Abstract:

To explore the effects of straw mulching on water, heat conditions and physiochemical properties of soil, as well as fruit yield and quality in orchards, flat peach variety Yulu in Ningbo of China was taken as the research object, and a field experiment with straw mulching and non-mulching in peach orchards was carried out for two consecutive years during 2021-2023. The results showed that straw mulching could regulate the soil temperature in 20 cm depth, as it increased the average soil temperature by 1.9 and 3.1 ℃ in January and February of 2022, yet decreased the average soil temperature by 1.3 and 0.7 ℃ in March and April of 2022. Besides, straw mulching increased the average soil moisture content. In 2023, straw mulching significantly (p<0.05) increased soil available phosphorus content by 190.26% as compared with the non-mulching treatment, yet the soil electrical conductivity and available nitrogen content decreased significantly by 29.93% and 7.82%, respectively. In 2022, straw mulching significantly increased the yield of flat peach by 14.55%, and improved the fruit quality, as the vitamin C content and soluble sugar content of flat peach were significantly increased by 23.76% and 5.75%, respectively. The results of correlation analysis showed that the contents of soil organic matter, total nitrogen and alkali-hydrolyzable nitrogen were the main factors affecting the yield and quality of flat peach. In summary, straw mulching could effectively regulate the soil temperature, moisture content and fertility to a more suitable status for the growth of flat peach, promote the absorption of nutrient elements by roots, thereby improving the yield and quality of flat peach.

Key words: straw mulching, soil temperature, soil moisture content, soil physiochemical property, yield of flat peach, quality of flat peach

CLC Number:

S158
S662.1

ZHU Weijing, WU Jia, HONG Chunlai, ZHU Fengxiang, HONG Leidong, ZHANG Tao, ZHANG Shuo, ZHU Huifen. Effects of straw mulching on water, heat, fertility status of soil and yield and quality of flat peach[J]. Acta Agriculturae Zhejiangensis, 2025, 37(9): 1924-1932.

Figures/Tables 7

References 26

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处理	可溶性固形物含量	维生素C含量	可溶性糖含量	总酸含量	糖酸比
Treatment	Soluble solid content/%	Vitamin C content/ (mg·kg^-1)	Soluble sugar content/ (g·kg^-1)	Total acid content/ (g·kg^-1)	Sugar-acid ratio
CK	15.00±0.62 a	115.3±9.1 b	121.7±2.9 b	3.10±0.09 a	3.93±0.21 a
SM	15.60±0.26 a	142.7±5.7 a	128.7±1.5 a	3.00±0.43 a	4.29±0.64 a

处理	可溶性固形物含量	维生素C含量	可溶性糖含量	总酸含量	糖酸比
Treatment	Soluble solid content/%	Vitamin C content/ (mg·kg^-1)	Soluble sugar content/ (g·kg^-1)	Total acid content/ (g·kg^-1)	Sugar-acid ratio
CK	15.00±0.62 a	115.3±9.1 b	121.7±2.9 b	3.10±0.09 a	3.93±0.21 a
SM	15.60±0.26 a	142.7±5.7 a	128.7±1.5 a	3.00±0.43 a	4.29±0.64 a

指标Index	Y	SSM	V_C	SS	TA	SAR
pH值pH value	0.752	0.414	0.384	0.553	-0.334	0.505
EC	-0.285	0.113	0.127	0.003	-0.138	0.058
OM	-0.645	-0.461	-0.830^*	-0.675	0.569	-0.682
TN	-0.851^*	-0.555	-0.847^*	-0.800	0.383	-0.595
AN	-0.819^*	-0.500	-0.976^**	-0.805	0.348	-0.567
AP	-0.449	-0.174	-0.452	-0.396	-0.608	0.323
AK	0.644	0.380	0.319	0.481	-0.318	0.442

指标Index	Y	SSM	V_C	SS	TA	SAR
pH值pH value	0.752	0.414	0.384	0.553	-0.334	0.505
EC	-0.285	0.113	0.127	0.003	-0.138	0.058
OM	-0.645	-0.461	-0.830^*	-0.675	0.569	-0.682
TN	-0.851^*	-0.555	-0.847^*	-0.800	0.383	-0.595
AN	-0.819^*	-0.500	-0.976^**	-0.805	0.348	-0.567
AP	-0.449	-0.174	-0.452	-0.396	-0.608	0.323
AK	0.644	0.380	0.319	0.481	-0.318	0.442

Effects of straw mulching on water, heat, fertility status of soil and yield and quality of flat peach

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