我国北方许多地区的农民,素有蓄水养冰的习惯,在长时期的实践中,积累了丰富的经验。他们的经验证明,蓄水养冰,是防旱保墒,弥补春季水量不足,保证春播和冬小麦返青的一项有力措施。蓄水养冰,它不象水库、井塘那样需要有固定的建筑工程,主要是利用自然河床, Farmers in many parts of northern China have the habit of water storage and ice-making and have accumulated rich experience in long practice. Their experience shows that water storage and ice storage are a powerful measure to prevent drought and preserve soil moisture and make up for lack of water in spring so as to ensure spring sowing and winter wheat regreening. Water storage ice, it is not like reservoirs, wells need to have a fixed construction, mainly the use of natural riverbed,