新疆农业科学 ›› 2024, Vol. 61 ›› Issue (7): 1786-1792.DOI: 10.6048/j.issn.1001-4330.2024.07.027

• 植物保护·土壤肥料 • 上一篇    下一篇

地膜残留时空分布特征分析

吴湘琳1(), 马红红1,2, 马兴旺1,2, 单娜娜1,3(), 杨志莹1,3()   

  1. 1.新疆农业科学院土壤肥料与农业节水研究所/农业农村部西北绿洲农业环境重点实验室,乌鲁木齐 830091
    2.新疆农业绿色低碳生产技术创新与应用中心,乌鲁木齐 830091
    3.新疆耕地科技创新中心,乌鲁木齐 830091
  • 收稿日期:2023-12-22 出版日期:2024-07-20 发布日期:2024-09-04
  • 通信作者: 单娜娜(1976-),女,河南开封人,研究员,博士,硕士生/博士生导师,研究方向为耕地保护,(E-mail)shannana@xaas.ac.cn
    杨志莹(1989-),男,河南新乡人,助理研究员,硕士,研究方向为农业资源环境,(E-mail)804298720@qq.com
  • 作者简介:吴湘琳(1984-),女,湖南临湘人,副研究员,硕士,研究方向为农业资源环境,(E-mail)wuxianglin@xaas.ac.cn
  • 基金资助:
    国家自然科学基金项目“多元农业经营主体地膜累积治理行为选择机制研究”(41967025)

Study on spatial and temporal distribution characteristics of plastic film residue

WU Xianglin1(), MA Honghong1,2, MA Xingwang1,2, SHAN Nana1,3(), YANG Zhiying1,3()   

  1. 1. Key Laboratory of Northwest Oasis Agro-Environment, Ministry of Agriculture and Rural Affairs / Institute of Soil Fertilizer and Agricultural Water Conservation, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
    2. Xinjiang Agricultural Green and Low Carbon Production Technology Innovation and Application Center, Urumqi 830091, China
    3. Xinjiang Cultivated Land Science and Technology Innovation Center, Urumqi 830091, China
  • Received:2023-12-22 Published:2024-07-20 Online:2024-09-04
  • Supported by:
    National Natural Science Foundation of China "Study on the Selection Mechanism of mulch Film Cumulative Treatment Behavior of Diversified agricultural management Subjects"(41967025)

摘要:

【目的】研究覆膜5、10、15、20、25、30年 0~40 cm土层残膜量变化特征。【方法】(1)每个采样点5个样方,每个样方规格100 cm×100 cm,逐层测定0~40 cm土层残膜量;(2)地膜回收情况调查。【结果】(1)5~30年 0~40 cm土层土壤残膜量排序20>15>5>10>25>30年,介于92.83~195.13 kg/hm2,平均值128.88 kg/hm2;(2)随着年限增加0~10 cm土层残膜量排序为5>10>30>15>25>20年,残膜量差异不显著;10~20 cm土层残膜量排序依次为15>20>30>10>5>25年,15、20年残膜量高,较5、10、25、30年差异显著;20~30 cm土层残膜量排序依次为15>20>10>25>5>30年,15、20年残膜量高,与5、30年对比有显著性差异;30~40 cm土层残膜量排序依次为20>25>5>15>30>10年,20、25年残膜量高,与5、10、15、30年有显著差异。(3)随着土层深度增加5年各土层之间残膜量差异不显著;10年 0~30 cm各土层残膜量差异不显著,30~40 cm较其它土层残膜量差异显著;15年 10~20 cm与0~10 cm、30~40 cm土层残膜量差异显著,30~40 cm与10~20 cm,20~30 cm土层残膜量差异显著;20~30年 各土层之间残膜量差异不显著。【结论】(1)随着覆膜年限的增加,5~30年 0~40 cm土层内残膜量呈先增后减的趋势,在覆膜20年时达到峰值,呈略下降的趋势;(2)随着覆膜年限增加5~30年 0~10 cm土层残膜量呈先减后增的趋势,总体量呈下降趋势;10~20 cm土层残膜量呈先增后减的趋势,总体变化不明显;20~30 cm土层残膜量呈先增后减的趋势,总体量呈略下降趋势;30~40 cm土层残膜量呈先增后减的趋势,总体呈上升趋势。(3)随着土层深度增加,5~30各年份残膜量呈下降趋势,残膜主要在0~30 cm累积,30~40 cm也有少量残片:覆膜5、10年 0~10 cm土层为主要累积区;覆膜15、25、30年 10~20 cm土层为主要累积区;覆膜20年 0~10与10~20 cm土层残膜量基本相同。

关键词: 土壤; 地膜残留; 时空分布

Abstract:

【Objective】To study the variation characteristics of residual film amount in soil layer of 5, 10, 15, 20, 25, 30 a 0-40 cm.【Methods】(1) Each sampling point had 5 quadrats, each quadrat size was 100 cm×100 cm, and the residual film amount of 0-40 cm soil layer was measured layer by layer.(2) Investigation of the basic situation of plastic film recycling.【Results】(1) The order of soil residual film in 0-40 cm soil layer was 20 > 15 > 5 > 10 > 25 > 30 a, ranging from 92.83-195.13 kg/hm2, with an average of 128.88 kg/hm2.(2) With the increase of years, the order of residual film amount in 0-10 cm soil layer was 5 > 10 > 30 > 15 > 25 > 20 a, and the difference of residual film amount was not significant.The order of residual film amount in 10-20 cm layer was 15 > 20 > 30 > 10 > 5 > 25 a, and the residual film amount in 15 and 20 a was higher than that in 5, 10, 25 and 30 a, and the difference was significant.The order of residual film amount in 20-30 cm soil layer was 15 > 20 > 10 > 25 > 5 > 30 a, and the residual film amount in 15 and 20 a was high, which was significantly different from that in 5 and 30 a.The order of residual film amount in 30-40 cm soil layer is 20 > 25 > 5 > 15 > 30 > 10 a, and the residual film amount in 20 and 25 a is higher, which is significantly different from that in 5, 10, 15 and 30 a.(3) With the increase of soil depth: there is no significant difference in residual film amount between soil layers in 5 a; The residual film amount of 10 a 0-30 cm soil layer was not significantly different, and the residual film amount of 30-40 cm soil layer was significantly different from that of other soil layers.There were significant differences in the residual film amount between 10-20 cm and 0-10 cm and 30-40 cm soil layers at 15 a, and significant differences between 30-40 cm and 10-20 cm and 20-30 cm soil layers.There was no significant difference in the amount of residual film between the soil layers from 20 to 30 a.【Conclusion】(1) With the increase of mulching years, the amount of residual film in the 5-30 a 0-40 cm soil layer first increased and then decreased, reaching the peak at 20 a mulching, and showing a slight downward trend overall.(2) With the increase of mulching years, the residual film amount of 5-30 a 0-10 cm soil layer decreased first and then increased, and the overall trend was downward.The residual film amount of 10-20 cm soil layer increased first and then decreased, and the overall change trend was not obvious.The residual film amount of 20-30 cm soil layer first increased and then decreased, and the overall trend was slightly decreasing.The residual film amount in the 30-40 cm soil layer first increased and then decreased, and the overall trend was increasing.(3) With the increase of soil depth, the amount of residual film in each year of 5-30 a shows a downward trend, mainly accumulating in 0-30 cm, and a small amount of residual film in 30-40 cm.The 0-10 cm soil layer of 5 and 10 a is the main accumulation area.The main accumulation zone was the 10-20 cm soil layer at 15, 25, 30 a.The residual film amount of the 0-10 and 10-20 cm soil layers coated with film was basically the same.

Key words: film reside; change feature; space-time distribution

中图分类号: 


ISSN 1001-4330 CN 65-1097/S
邮发代号:58-18
国外代号:BM3342
主管:新疆农业科学院
主办:新疆农业科学院 新疆农业大学 新疆农学会

出版单位:《新疆农业科学》编辑部
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E-mail:xjnykx-h@xaas.ac.cn


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