This paper made a systematic study of varieties and conditions of insect pest to flowers and trees in greenhouse, and habits and infection characteristics of mollusc slug with serious outbreak.

  • 系统地研究了温室发生的花木害虫的种类及其为害情况,研究了严重发生的软体动物蛞蝓的习性和为害特性,结合温室花木生产经营活动的特点,制定并实施了切实可行的综合治理措施。
目录 查词历史