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近年来.农学家们常受到环境保护学家们的非难。首先是农药,随后是泥砂和营养物质侵染了湖泊和河流,硝酸盐类进入了饮用水。看来下一个将被指责的似乎是氮素化肥对大气可能产生的恶果。科学家们经过反复的研究,于1970年发现喷雾器喷出的雾,可以象超音速飞机一样,高飞到距地面15英里的臭氧层上的同温层,这一发现使他们十分困扰。要了解些问题,让我们先谈谈臭氧和氮,这有助于更好地理解化肥和大气的联系所在。
In recent years, agronomists have often been criticized by environmentalists. The first is pesticides, followed by sediment and nutrients infecting lakes and rivers, and nitrates entering drinking water. It seems that the next one to be blamed seems to be the possible adverse effect of nitrogenous fertilizers on the atmosphere. After repeated research, the scientists discovered in 1970 that the mist emitted by the atomizers could be as troubling as the supersonic aircraft flying to the stratosphere above the ozone layer 15 miles above the ground. To understand some of these issues, let’s talk about ozone and nitrogen first, which helps to better understand the link between fertilizers and the atmosphere.