Effects of Lignin-based Fully Biodegradable Plastic Film on Growth and Yield of Lettuce in the Open Field
刊名 Agricultural Biotechnology
作者 Hong WANG1, Haibin SHEN1*, Xiazhao JIN2, Xiaoqin CHEN3
作者单位 1. Shanghai Key Laboratory of Protected Horticultural Technology, Protected Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; 2. Shanghai Changfa New Materials Co., Ltd., Shanghai 200233, China; 3. Shanghai Hangyu Agricultural Development Co., Ltd., Shanghai 201516, China
DOI DOI:10.19759/j.cnki.2164-4993.2025.01.002
年份 2025
刊期 1
页码 5-8
关键词 Fully biodegradable plastic film; Lignin; Lettuce; Growth; Quality
摘要 [Objectives] This study was conducted to investigate the effects of lignin-based fully biodegradable plastic film on the growth and quality of lettuce under open-field cultivation conditions. [Methods] In this experiment, compared with bare soil, a polyethylene plastic film (PE) treatment and two lignin-based fully biodegradable plastic film treatments (LBF-0.01 and LBF-0.008) with different thicknesses were set to study the effects on the growth and quality of lettuce. [Results] During autumn cultivation in Shanghai, the thermal insulation performance and yield-increasing effect of the two degradable plastic films were consistent with those of PE film, and effectively meeting lettuce growth requirements, but treatment LBF-0.01was better than treatment LBF-0.008. Moreover, lignin-based fully biodegradable plastic film could significantly increase the contents of Vc, soluble sugar and carotenoids in lettuce, and treatment LBF-0.008 showed the best effect. It could be seen that under the experimental conditions, the two kinds of lignin-based biodegradable plastic films with different thicknesses could be applied to the cultivation of lettuce in the open field in Shanghai in autumn, and LBF-0.01 had the best effect of increasing temperature and increasing yield, while LBF-0.008 had the best effect of improving quality. [Conclusions] This study provides theoretical basis and technical support for the further application of lignin-based fully biodegradable plastic film.