台风对珠江三角洲农业生产危害极大。防护林的建立,对于抗御台风,减少作物的受害起着很大作用。1983年9月9日第九号强台风侵袭位于珠江口的斗门县,风力10—11级,阵风12级以上。在强台风的袭击下,吹倒和损坏砖屋四千多间,围堤缺口八十多处,围堤塌方四千四百多丈,损坏梪闸三十 Typhoon is extremely harmful to agricultural production in the Pearl River Delta. The establishment of shelter forests plays a significant role in preventing typhoons and reducing crop damage. September 9, 1983 No. 9 typhoon hit the mouth of the Pearl River estuary Doumen County, wind 10-11, gust 12 or more. Under the attack of a strong typhoon, more than 4,000 brick houses were blown down and damaged. There were more than 80 gaps in the dike and more than 4, 400 embankments collapsed.