“氮肥蔬菜”是科学家对困滥施化学氮肥而引起硝酸盐含量猛增的蔬菜的统称。人食用了被硝酸盐污染的“氮肥蔬菜”后会使人体内硝酸盐迅速增加。硝酸盐本来对人体并无多大危害，但它很快会在人的消化器官里波还原成亚硝酸盐，而后者是一种很强的致癌因子，胃癌，食道癌，肝癌的 “Nitrogenous vegetables” is a generic name for vegetables that scientists have caused by the spike in chemical nitrogenous fertilizer causing a surge in nitrate content. Nitrate is rapidly added to the body by eating nitrate-contaminated “nitrogenous vegetables.” Nitrate, which would have been less harmful to the human body, will soon be reduced to nitrite in the digestive organs of humans, which is a strong oncogenic factor for gastric, esophageal, and hepatic cancers