我国冬小麦种植区,一般冬季干旱多风,蒸发量较大。因此,浇好冻水是保证小麦壮茁和安全越冬的重要措施。浇冻水不仅可改善小麦越冬期的水肥供应。而且可以粉碎坷垃,塌实土壤,消灭越冬病虫害,缓和地温的剧烈变化,防止或减轻冻害死苗,以及促进麦苗健壮分蘖。 China’s winter wheat growing areas, the general winter arid wind, large evaporation. Therefore, pouring frozen water is an important measure to ensure strong and safe wheat winter. Casting chilled water can not only improve the water and fertilizer supply of winter wheat. But also can crush rubbish, collapsible soil, eliminate overwintering pests and diseases, ease the drastic change of geothermal temperature, prevent or reduce frost damage dead seedlings, and promote the robust tillering of wheat seedlings.