<p>➀ Researchers from the University of Glasgow and other institutions have developed compostable smart sensors to improve sustainability in digital agriculture.</p><p>➁ These sensors consist of a biodegradable patch and a reusable electronic module, reducing environmental impact by up to 79% over five years compared to traditional sensors.</p><p>➂ The sensors can monitor soil pH levels and detect harmful substances like ethephon, contributing to optimized crop production with minimal environmental harm.</p>