凉开水是最廉价的解渴饮料。近些年来,科学家们发现,凉开水在促进植物、动物生长,乃至延长人类寿命的诸方面,都有独特而神奇的作用。 一、特殊的激素:生活在北方地区的农户,都有这样一种经验,用融化的冰雪水浇灌蔬菜,可以提高幼苗的存活率与生长速度,即缩短成熟期,又可增加亩产量。一般认为,这是低温的融化冰水可以杀菌的缘故。然而这种观点并不正确,至少不够全面。近年来科学家们发现,融化的冰雪杀菌的真正奥秘在于其内部含有的气体比普通的浇灌用 Cold water is the cheapest drink thirst quenching. In recent years, scientists have found that cool water has unique and magical effects in promoting the growth of plants and animals, and in extending the life span of human beings. First, special hormones: Farmers living in the northern region, have such an experience, with meltwater watering vegetables, can improve seedling survival rate and growth rate, that is, shorten the maturity, but also increase the yield per mu. It is generally believed that this is the reason that cold ice water can be sterilized. However, this view is not correct, at least not comprehensive enough. In recent years, scientists have found that the real mystery of thawed ice and snow is that the gas contained in it is smaller than that of ordinary watering