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近年来,我市春播玉米,正逐步推广带田(玉米带小麦)、地膜覆盖和沙压种植,为了搞清黄地老虎在各类型田中发生消长动态,作者从1987年开始,进行了黄地老虎在玉米田中发生为害习性研究,同时进行了玉米不同类型田的生态与黄地老虎发生程度探讨,为玉米田黄地老虎的农业措施防治,提供依据。一、研究方法1.田间定期定点观察调查,搞清黄地老虎在玉米田的发生与为害习性。2.几种类型田地面温湿度、田间管理和落卵量观测与调查,测定其生态环境与繁育关
In recent years, the city sowing spring corn, is gradually promoting belt Tian (corn belt wheat), mulching and sand pressure planting, in order to find out the yellow tiger growth and decline in various types of fields, the author from 1987 onwards, the yellow tiger In the field of corn crop habitat research, at the same time carried out the corn of different types of field ecology and the occurrence of yellow tiger, for corn field yellow tiger agricultural measures to provide the basis. First, the research methods 1 regular observation of the field survey to find out the occurrence of yellow tiger in the corn field and harm habit. 2. Several types of field surface temperature and humidity, field management and observation and investigation of egg loss, determination of its ecological environment and breeding