田安是一种高效的有机砷杀菌剂。具有药效期较长、毒性较小,而杀菌力则比无机砷农药强的特点,农业上常用来防治水稻纹桔病(又称稻脚瘟)、葡萄炭疽病及白粉病等。其有效成份是甲基砷酸铁铵,商品为5%棕黑色或深棕色透明液体,具有臭鸡蛋气味。稻田使 Tian An is a highly effective organic arsenic bactericide. Has a longer period of efficacy, less toxicity, and bactericidal than inorganic arsenic pesticide characteristics, commonly used in agriculture to control rice orange disease (also known as rice foot plague), grape anthracnose and powdery mildew. Its active ingredient is ammonium iron methionate, the product is 5% brown or dark brown transparent liquid with a rotten egg smell. Make rice paddy