一怕早春冻。小麦进入返青期后,生育特点明显改变,已由感温阶段进入感光阶段,麦苗的抗寒性显著降低,一旦遇到春寒,植株极易遭受冻害。防止措施:①刬锄。在土壤返浆时进行顶凌刬锄,可以松土、保墒、增温、除草,增强麦苗的御寒能力。不论弱苗、旺苗还是壮苗,都要在返青 Afraid of early spring cold. Wheat entered the greening period, the characteristics of fertility significantly changed, from the sensing stage into the light-sensitive stage, significantly reduce the cold tolerance of wheat seedlings, in the event of spring cold, the plant vulnerable to frost damage. Preventive measures: 刬 hoe. When the soil back to the top Ling Ling hoe hoe, you can loosen soil, moisture, warming, weeding, enhance the ability of wheat seedlings warm. Regardless of weak seedlings, Wang Miao or strong seedlings, should be rejuvenated