On top of that, fertilizers are coated with plastic for controlled release, plastic mulch film is used as a protective layer for crops and water containing microplastics is used for irrigation, says Sophie Vonk, a researcher at the Plastic Soup Foundation.

塑料汤基金会的研究员索菲·冯克 (Sophie Vonk) 表示，最重要的是，肥料上涂有塑料以控制释放，塑料地膜用作农作物的保护层，含有微塑料的水用于灌溉。