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农学学报 ›› 2021, Vol. 11 ›› Issue (1): 32-36.doi: 10.11923/j.issn.2095-4050.cjas20190800157

• 土壤肥料/资源环境/生态 • 上一篇    下一篇

不同厚度地膜对废旧地膜残留、回收影响及其使用选择概述

于显枫1(), 赵记军2(), 马明生1   

  1. 1甘肃省农业科学院旱地农业研究所,兰州 730070
    2甘肃省农业生态与资源保护技术推广总站,兰州 730000
  • 收稿日期:2019-08-16 修回日期:2019-09-10 出版日期:2021-01-20 发布日期:2021-02-05
  • 通讯作者: 赵记军 E-mail:jackey_xf@126.com;daniel.zhao@126.com
  • 作者简介:于显枫,女,1981年出生,辽宁盘锦人,副研究员,研究生,主要从事旱地农田水肥高效利用与作物栽培生理研究工作。通信地址:730070 兰州市安宁区农科院新村1号 甘肃省农业科学院旱地农业研究所,Tel:0931-7614854,E-mail: jackey_xf@126.com
  • 基金资助:
    国家重点研发计划项目“西北灌溉玉米化肥农药减施增效技术集成与示范”(2017YFD0201808);国家重点研发计划项目“半干旱区马铃薯化学肥料减施技术研究与示范”(2018YFD020080105)

Film of Different Thickness: Effect on Residual and Recovery of Waste Film and Selection

Yu Xianfeng1(), Zhao Jijun2(), Ma Mingsheng1   

  1. 1Institute of Dryland Farming, Gansu Academy of Agricultural Sciences, Lanzhou 730070, Gansu, China
    2Gansu Agro-ecology and Resources Protection Technology Station, Lanzhou 730000, Gansu, China
  • Received:2019-08-16 Revised:2019-09-10 Online:2021-01-20 Published:2021-02-05
  • Contact: Zhao Jijun E-mail:jackey_xf@126.com;daniel.zhao@126.com

摘要:

以已有研究文献为基础,概述了不同厚度地膜残留与回收的研究,并对地膜选择使用进行了探讨,以期为农业生产和环境保护协调发展提供参考。结果表明:不同厚度地膜覆盖后地膜残留情况因作物不同而异,地膜越厚,残留量越低,达到一定厚度后,残留量差异并不显著,超过一定厚度后,由于单位面积残片质量增加,反而出现残留量增加现象。使用厚地膜可有效提高地膜可回收性,但当地膜达到一定厚度后,其回收率差异并不显著;机械化回收是趋势所向,除注重地膜强度外,也要考虑地膜厚度影响。在农业生产中,选择使用的地膜偏薄或偏厚均不适宜,大多学者建议的厚度介于0.008~0.012 mm,具体应统筹考虑地膜覆盖效益与生态效益最优效应选择使用。

关键词: 地膜, 厚度, 残留, 回收性, 覆盖效益, 生态效益, 使用选择

Abstract:

The research on the residual and recovery of mulch film with different thickness was summarized based on the existing research literatures, and the selection of mulch film was discussed to provide references for the coordinated development of agricultural production and environmental protection. The results showed that residual of different thickness films varied from crop to crop, the thicker the mulch film, the lower the residual amount. After reaching a certain thickness, the difference of residual amount was not significant, but after a certain thickness, the residual amount increased due to the increase residual quality per unit area. The use of thick mulch film could effectively improve the film recyclability, but the difference of recovery rate was not significant after the film reached a certain thickness. Mechanized recycling was the trend in the future, in addition to film strength, the influence of film thickness should draw more attention. In agricultural production, the selection of thin or thick film was both inappropriate, the thickness recommended by most scholars was between 0.008 and 0.012 mm, the specific effect between the film cover and the ecological benefit should be considered.

Key words: Plastic Film, Thickness, Residual, Recyclability, Coverage Benefit, Ecological Benefit, Selection

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