A new era began in 1972 when the Plant Protection Center began doing research into the safety of pesticides. The third era began in 1975 when the Ministry of Economics, through the Plant Protection Center, implemented rigid controls.
當時我國對農藥的管理較不嚴格，各農業機構也偏重評估使用效果。民國六十一年植保中心成立，以經濟效益及安全評估為研究重點，農藥的安全問題才真正受到重視。