Effects of plastic film pollution on farmland soil and crops and its control
Plastic film has the functions of increasing temperature and water weeding and saving fertilizer in agricultural production,however,with the expansion of plastic film coverage,unreasonable use and lack of residual film recovery mechanism,a large number of plastic films remain in the soil,causing adverse effects on soil properties,crop yield and growth and development.This paper summarizes the research progress of residual film on soil physicochemical properties,biological properties,crop yield and quality,analyzes the influencing factors of plastic film pollution,and puts forward the control countermeasures of plastic film pollution from the aspects of policies,regulations and research and development of plastic film technology,aiming to provide scientific guidance and reference for the monitoring and treatment of plastic film pollution and promote the sustainable development of agriculture.
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