二氧化氮对玉米、棉花、小麦、大麦、甜菜等作物种子有消毒作用。二氧化氮为强氧化剂,具有特殊的气味,易浓缩成紅棕色液沐,冷却时发白,零下10度凝固,成无色結晶。工业上制造二氧化氮,利用氧、氮的直接化合,或在氧中燃烧合成氨;化工厂制造硝酸或氮 Nitrogen dioxide disinfection of crops such as corn, cotton, wheat, barley, sugar beet and other crops. Nitrogen dioxide as a strong oxidant, with a special smell, easy to concentrate into a red-brown liquid Mu, cool white, minus 10 degrees solidification, into colorless crystals. Industrial manufacture of nitrogen dioxide, the use of oxygen, nitrogen, direct chemical or oxygen in the combustion of synthetic ammonia; chemical plant to produce nitric acid or nitrogen