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果树正常生长发育的适宜土壤田间持水量为60%～80%,若雨量过大使土壤含水量长时间超过此范围,就会对树体产生不良影响。因此,对低洼易积水的苹果园,为防止水涝灾害,除应及时修好排水设施,灾后抓紧疏导,排除积水,降低土壤和园内的空气湿度外,还要积极采取以下措施:
Fruit trees suitable for normal growth and development of field soil water capacity of 60% to 80%, if the rainfall over the ambassador soil moisture for a long time beyond this range, it will adversely affect the tree. Therefore, in order to prevent waterlogging disaster, in order to prevent waterlogging disasters, the apple orchards of low-lying and easy-water-storing should take the following measures in addition to promptly repairing the drainage facilities, facilitating the drainage, eliminating the stagnant water and reducing the air humidity in the soil and the park: