人们常说:“一年倒灌三年荒。”1997年11号台风正面袭击黄岩区,造成5万亩农田、果园受淹,2万亩晚稻绝收,死亡桔树30万株。但灾后我们充分利用降雨等淡水资源,因地制宜采取各种措施,使海水倒灌引起的危害程度得到了有效控制,1998年黄岩区受灾的3万亩早晚稻两季平均单产已恢复至400公斤以上。 1.海水倒灌后农田土壤盐渍化 It is often said: "The typhoon hit the Huangyan District on the 11th in 1997 with a typhoon attack on the ground, causing 50000 mu of farmland or flooded orchards, 20000 mu of late rice and over 300,000 dead orange trees. However, after the disaster, we took full advantage of fresh water resources such as rainfall and took various measures according to local conditions to effectively control the extent of harm caused by seawater intrusion. In 1998, the average yield per unit area of ​​30,000 mu of morning and late rice hit by Huangyan District has recovered to more than 400 kg. 1. Saline soil salinization after seawater intrusion