新嫁接的果树苗,伤口愈合组织含水分较多,抗逆性差,如越冬前管理不当,冬季易遭冻害。因此,在越冬前应做好以下5项管理工作。1.适时灌水“夜冻日消,冬灌正好”,即在土壤结冻前,将苗床步道或垄沟用犁开沟或人工挖沟,顺沟浇封冻水,要灌足灌透,有利土壤保温保湿。2.根颈培土.越冬前,将 The newly grafted fruit saplings, wound healing tissue containing more water, poor resistance, such as improper management before winter, the winter vulnerable to frost damage. Therefore, in the winter before the following five management should be done. 1. Timely irrigation “night freeze on the day consumption, winter irrigation just”, that is, before freezing the soil, the seedbed trail or furrow plow ditching or artificial ditching, Shun gully frozen water, irrigation foot irrigation to facilitate soil insulation Moisturizing. 2. Root neck soil. Before winter, will