Plastic film mulching and microplastics impact soil nitrogen processes

Plastic film mulching (PFM) significantly enhances crop yield and quality by increasing soil temperature, reducing water evaporation and optimizing nutrient cycling. However, improper management of plastic film residues has led to microplastic pollution in farmland, posing a major challenge to susta...

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Main Authors: Jinrui ZHANG, Kai WANG, Tong ZHU, Tao CHENG, Rui JIANG, Xuejun LIU
Format: Article
Language:English
Published: Higher Education Press 2026-03-01
Series:Frontiers of Agricultural Science and Engineering
Subjects:
Online Access:https://journal.hep.com.cn/fase/EN/PDF/10.15302/J-FASE-2025642
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author Jinrui ZHANG
Kai WANG
Tong ZHU
Tao CHENG
Rui JIANG
Xuejun LIU
author_facet Jinrui ZHANG
Kai WANG
Tong ZHU
Tao CHENG
Rui JIANG
Xuejun LIU
author_sort Jinrui ZHANG
collection DOAJ
description Plastic film mulching (PFM) significantly enhances crop yield and quality by increasing soil temperature, reducing water evaporation and optimizing nutrient cycling. However, improper management of plastic film residues has led to microplastic pollution in farmland, posing a major challenge to sustainable agricultural development. The accumulation of microplastics in soil not only affects soil structure but also profoundly impacts crop growth and ecosystem stability by altering nitrogen-related microbial activities and nitrogen (N) cycling processes. This review synthesizes the effects of PFM and microplastics on soil N pools and cycling, exploring their mechanisms in plant N uptake, microbial immobilization, gaseous emissions (e.g., NH3 and N2O), and N transformation processes (e.g., N fixation, assimilation, mineralization, nitrification and denitrification). Research indicates that PFM and microplastics significantly influence N processes by modifying soil physicochemical properties and microbial community structure, although their effects vary depending on plastic type, environmental conditions and crop growth stages. Future studies should further investigate the long-term ecological impacts of microplastics in complex natural environments and employ advanced statistical methods and models to quantify their dynamic effects on N cycling.
format Article
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issn 2095-7505
language English
publishDate 2026-03-01
publisher Higher Education Press
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series Frontiers of Agricultural Science and Engineering
spelling doaj-art-6472bf8f9c3f45ffbd062b4fb327ebc92025-08-20T03:03:16ZengHigher Education PressFrontiers of Agricultural Science and Engineering2095-75052026-03-011312564210.15302/J-FASE-2025642Plastic film mulching and microplastics impact soil nitrogen processesJinrui ZHANG0Kai WANG1Tong ZHU2Tao CHENG3Rui JIANG4Xuejun LIU51. State Key Laboratory of Nutrient Use and Management, Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, National Academy of Agriculture Green Development, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China1. State Key Laboratory of Nutrient Use and Management, Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, National Academy of Agriculture Green Development, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China1. State Key Laboratory of Nutrient Use and Management, Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, National Academy of Agriculture Green Development, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China1. State Key Laboratory of Nutrient Use and Management, Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, National Academy of Agriculture Green Development, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China2. Gold Mantis School of Architecture, Soochow University, Suzhou 215127, China1. State Key Laboratory of Nutrient Use and Management, Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, National Academy of Agriculture Green Development, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China|3. Quzhou Agricultural Green Industry Academy, Quzhou Experimental Station, Handan 057250, ChinaPlastic film mulching (PFM) significantly enhances crop yield and quality by increasing soil temperature, reducing water evaporation and optimizing nutrient cycling. However, improper management of plastic film residues has led to microplastic pollution in farmland, posing a major challenge to sustainable agricultural development. The accumulation of microplastics in soil not only affects soil structure but also profoundly impacts crop growth and ecosystem stability by altering nitrogen-related microbial activities and nitrogen (N) cycling processes. This review synthesizes the effects of PFM and microplastics on soil N pools and cycling, exploring their mechanisms in plant N uptake, microbial immobilization, gaseous emissions (e.g., NH3 and N2O), and N transformation processes (e.g., N fixation, assimilation, mineralization, nitrification and denitrification). Research indicates that PFM and microplastics significantly influence N processes by modifying soil physicochemical properties and microbial community structure, although their effects vary depending on plastic type, environmental conditions and crop growth stages. Future studies should further investigate the long-term ecological impacts of microplastics in complex natural environments and employ advanced statistical methods and models to quantify their dynamic effects on N cycling.https://journal.hep.com.cn/fase/EN/PDF/10.15302/J-FASE-2025642Plastic film mulchingmicroplasticsnitrogen fatenitrogen transformationarable soil
spellingShingle Jinrui ZHANG
Kai WANG
Tong ZHU
Tao CHENG
Rui JIANG
Xuejun LIU
Plastic film mulching and microplastics impact soil nitrogen processes
Frontiers of Agricultural Science and Engineering
Plastic film mulching
microplastics
nitrogen fate
nitrogen transformation
arable soil
title Plastic film mulching and microplastics impact soil nitrogen processes
title_full Plastic film mulching and microplastics impact soil nitrogen processes
title_fullStr Plastic film mulching and microplastics impact soil nitrogen processes
title_full_unstemmed Plastic film mulching and microplastics impact soil nitrogen processes
title_short Plastic film mulching and microplastics impact soil nitrogen processes
title_sort plastic film mulching and microplastics impact soil nitrogen processes
topic Plastic film mulching
microplastics
nitrogen fate
nitrogen transformation
arable soil
url https://journal.hep.com.cn/fase/EN/PDF/10.15302/J-FASE-2025642
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