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在玉米种植中,由巨型塑料刺激的土壤脱

Yanyan Zhang¹, Joann Whalen², Yuhang Liu³

¹College of Resource, Sichuan Agricultural University, 211 Huimin Rd., Chengdu 611130, China; College of Agronomy, Sichuan Agricultural University, 211 Huimin Rd., Chengdu 611130, China; Key Laboratory of Investigation and Monitoring, Protection and Utilization for Cultivated Land Resources, Ministry of Natural Resources, China; International Science and Technology Cooperation Base for Efficient Utilization of Nutrient Resources and Fertilizer Innovation, Sichuan Provincial Department of Science and Technology, Chengdu 611130, China.

Journal of hazardous materials

|October 18, 2025

概括

农业土壤中的巨型塑料损害了玉米的根部发育,减少了的吸收. 这可能会增加通过脱的损失,影响作物产量.

科学领域:

农业科学农业科学
环境科学环境科学
土壤科学土壤科学

背景情况:

巨型塑料 (>2厘米) 是农业土壤中新出现的污染物.
它们对 (N) 循环和作物表现的影响,特别是在玉米种植中,尚不清楚.
基于玉米的杂交作物系统在全球范围内得到广泛推广.

研究的目的:

研究巨型塑料对玉米-大豆交叉作物系统中的土壤-植物动态的影响.
评估巨型塑料对玉米生长,根部发育和产量的影响.
在巨型塑料污染下分析微生物介导的转化.

主要方法:

进行了中宇宙和实地实验.
对玉米-大豆交叉作物系统进行了巨型塑料处理.
测量了土壤度,植物生长参数和微生物N转化活动.

主要成果:

巨型塑料对地面玉米形态和产量的影响很小,但显著抑制了根部的发育.
土壤中酸度下降,而酸还原酶活性和15N保留增加,表明玉米的N吸收减少.
无化细菌和基因的丰富性增加,这表明通过无化失去的可能性更高.

结论:

在杂交作物玉米系统中,对巨型塑料的暴露不会显著改变地面上的生长,但会损害根部发育和吸收.
污染导致土壤条件有利于通过脱而失去.
管理脱是提高使用效率和农作物产量在被巨型塑料污染的农业土壤中至关重要的.

关键词:

脱化过程中的脱.中间作物的玉米.气气是一种气.塑料污染问题塑料污染问题土壤土壤土壤.

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