浙江农业科学 ›› 2025, Vol. 66 ›› Issue (5): 1126-1132.DOI: 10.16178/j.issn.0528-9017.20240076

• 根块茎类 • 上一篇    下一篇

可降解地膜覆盖对夏播甘薯土壤温湿度及产量的影响

张志伟1a,2(), 秦耀国1b, 雍琴琴1a, 刘柏庆1a, 刘进雄1a, 段芳1a, 李奕霖1a, 杨翠芹1a,*()   

  1. 1.四川农业大学 a农学院,b园艺学院,四川 成都 611130
    2.临夏回族自治州农业科学院,甘肃 临夏 731100
  • 收稿日期:2024-01-25 出版日期:2025-05-11 发布日期:2025-05-20
  • 通讯作者: 杨翠芹(1979—),女,四川成都人,副教授,博士,主要从事甘薯栽培及生理调控技术研究,E-mail:651639684@qq.com
  • 作者简介:张志伟(1994—),男,甘肃东乡人,硕士,主要从事甘薯栽培技术研究,E-mail:541752949@qq.com
  • 基金资助:
    四川省科技厅自然基金(2022ZHYZ0006);四川省科技厅乡村振兴基金(035Z1371)

Effects of biodegradable mulch film coverage on soil temperature, moisture, and yield of summer-sown sweet potato

ZHANG Zhiwei1a,2(), QIN Yaoguo1b, YONG Qinqin1a, LIU Baiqing1a, LIU Jinxiong1a, DUAN Fang1a, LI Yilin1a, YANG Cuiqi1a1a,*()   

  1. 1. a.College of Agronomy, b.College of Horticulture, Sichuan Agricultural University, Chengdu 611130, Sichuan
    2. Linxia Hui Autonomous Prefecture Academy of Agricultural Sciences, Linxia 731100, Gansu
  • Received:2024-01-25 Online:2025-05-11 Published:2025-05-20

摘要: 为探究不同厚度可降解地膜覆盖对夏播甘薯土壤温湿度及产量的影响,本研究采用单因素随机区组设计,进行对比试验。结果表明,移栽后40 d,覆膜可增加地表温度,移栽后70、100 d覆膜处理地温低于对照;移栽后40 d覆膜处理在0、5 cm的土壤湿度大于对照。移栽后40 d,覆膜处理茎节数和分枝数显著高于对照;移栽后130 d,覆膜处理的干物质量显著高于对照,而各覆膜处理之间无显著差异;3种可降解地膜处理的产量和商品薯率显著高于对照,可降解地膜的降解效果较好。该研究为可降解膜在夏播甘薯上的应用提供了理论依据。

关键词: 甘薯, 可降解地膜, 土壤温湿度, 产量

Abstract:

To investigate the effects of different thicknesses of biodegradable mulch film on soil temperature, moisture, and yield of summer-sown sweet potato, a single-factor randomized block design was adopted for comparative experiments. The results showed that 40 days after transplanting, mulch coverage increased surface soil temperature, while at 70 and 100 days after transplanting, the mulching treatments exhibited lower temperatures compared with the control. At 40 days after transplanting, soil moisture at 0 and 5 cm depths was higher in mulching treatments than in the control. The number of stem nodes and branches in mulching treatments was significantly higher than the control 40 days after transplanting. At 130 days after transplanting, the dry matter weight of mulching treatments was significantly higher than the control, with no significant differences among the biodegradable mulch treatments. The yield and marketable tuber rate of the three biodegradable mulching treatments were all significantly higher than those of the control, with biodegradable mulch exhibiting better degradation performance. This study provides a theoretical basis for the application of biodegradable mulching summer-sown sweet potato cultivation.

Key words: sweet potato, biodegradable mulch film, soil temperature and moisture, yield

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