Flexible sensors for precision agriculture: A mini review

In recent years, there has been extensive research into flexible sensors within the field of precision agriculture. This interest stems from their ability to integrate a diverse array of functional materials, including SERS-active substrates, noble metal nanoparticles, graphene, MXenes, and flexible transparent polymer films. In comparison to conventional sensors, flexible sensors present enhanced sensitivity, broader versatility, and superior stability. This review systematically illustrates the preparation methods and potential applications of flexible sensors in agricultural field. Furthermore, the article underscores the promising research prospects in agricultural detection enabled by these advancements. •Flexible sensors enable precise monitoring and control in agricultural applications.•The graphene, MXene, and other soft materials further improves the mechanical and electrical properties of soft materials.•The integration of SERS soft substrates and noble metal nanoparticles enhances the performances of the flexible sensors.•The exploration of substrate functionality improves the sensors' sensitivity and suitability for agricultural applications.