长期以来由于工业生产大量排放废水、废气、废渣，农业生产大量使用化肥、农药、农膜，致使大气、土壤、水域遭到严重的污染和破坏，生产的食物有毒有害物质不断增加积累，严重的影响了人们的身体健康。为此，应积极开发生产无污染无公害水稻优质米等绿色食品，保护环境，保护? For a long time, large quantities of wastewater, waste gas and waste residue from industrial production have been used as fertilizer and pesticides and agricultural films in large quantities. As a result, serious pollution and destruction of the atmosphere, soil and water have taken place. The production of toxic and harmful substances in food has continuously increased and accumulated. Affect people’s health. To this end, we should actively develop and produce pollution-free and pollution-free rice, high-quality rice and other green foods, protecting the environment and protecting them.