大棚蔬菜受冻补救措施冬季大棚蔬菜易发生冻害，一般应及时采取以下补救措施。１．灌水灌水能增加土壤热容量，抑制地温下降，稳定地表层的大气温度，进而稳定棚温，控制冻害继续发生。２．施肥大棚蔬菜受冻后，可追施速效化肥，以利植株吸收，增加蔬菜组织细胞液浓度，增... Greenhouse vegetable frost remedy Winter vegetable greenhouse prone to frost damage, the general should promptly take the following remedial measures. 1. Irrigation irrigation can increase the soil heat capacity, inhibit the decline in ground temperature, stable surface air temperature, and thus stabilize the greenhouse temperature control frost damage continues to occur. 2. Fertilizer greenhouses frozen vegetables, the fertilizer can be topdressing speed to facilitate plant absorption, increase the concentration of vegetable tissue ...