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我市位于辽宁省中部,农村共分三个区,四十一个公社、镇、农场。境内东为山区,西为平原,总面积六百九十万亩,有森林面积一百一十八万亩,油松是主要树种之一,多分布在东部山区。一九六三年在隆昌、八会等四个公社发现松干蚧,一九六六年曾用石硫合剂试行防治,未能控制住害虫的传播蔓延,并且日益加重,到一九七三年有七万亩造成严重危害,个别已完片枯死。
The city is located in the central part of Liaoning Province. The rural area is divided into three districts, 41 communes, towns and farms. The territory of the east mountain, west of the plain, with a total area of 6.9 million mu, forest area of 1.18 million mu, Pinus tabulaeformis is one of the main tree species, and more distributed in the eastern mountains. In 1963, it was found in four communes, including Longchang and the Eighth Congress, that pine calamus was tried and controlled by limestone in 1966 and the spread of pests was not controlled and was aggravating. By 1973, Seventy thousand acres caused serious harm, some have been finished dead.