将普通清水烧开 ,待其沸腾 5分钟左右 ,然后加盖晾至室温 ,用于浸泡麦种 ,可使小麦发芽早 ,出苗快 ,成熟期提前 1 0天左右 ,增产1 5% ;浸泡棉花种可使棉花增产 1 2 %左右 ;马铃薯现蕾后 ,用凉开水连喷 3次 ,可使单株产量增加 8%～ 1 0 % ;大白菜生长期喷洒凉开水 ,能抑制脱帮的 The ordinary water boil until its boiling for about 5 minutes, then stamped to room temperature, for soaking wheat, wheat germination early, sprouting fast, maturity of about 10 days in advance, an increase of 15%; soaking cotton The yield of cotton can be increased by about 12%; after the budding of potato, spraying with cold water and even spray 3 times, the yield per plant can be increased by 8% ~ 10%; when the Chinese cabbage is sprayed with cool water and boiling water,