田埂开出“防虫花”！长沙一城镇探索稻田绿色防控新路径

A town in Changsha adopts a creative chemical-free farming solution, planting cosmos flowers on field ridges to raise beneficial insects and curb rice pests naturally, paired with smart eco-tech to build greener and more sustainable grain fields.

长沙一乡镇解锁生态农耕新方式，在田埂种植波斯菊培育益虫、以虫治虫，搭配绿色农技零农药防虫，守护稻田生态，助力粮食绿色可持续种植。