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害虫是农作物生长发育过程中常可遇到的一类自然灾害,有效地防治害虫以保护农作物,使能获得高产稳产是科学种田的重要措施之一,也是实现农业现代化的必要组成。黑龙江地处我国北境,气候相对冷凉,容易导致植保问题不大的错觉。但据统计,每年因病、虫、杂草危害减产粮食可达三、四十亿斤。其中玉米螟、大豆食心虫、谷子钻心虫、地下害虫、高梁蚜虫、粘虫、(禾刀)瘟等七大病虫害常年为害面积约近一亿亩次
Pests are a type of natural disasters often encountered in the growth and development of crops. Effective prevention and control of pests for the protection of crops and the achievement of high and stable yield are one of the important measures for scientific farming. They are also an essential component of agricultural modernization. Heilongjiang is located in the northern border of China, the climate is relatively cool, easily lead to the illusion of plant protection is not a big problem. However, according to statistics, the annual output of food due to disease, insects and weeds can reach 3-4 billion kilograms. Including corn borer, soybean heartworm, millet borer, underground pests, sorghum aphids, armyworms, (Wo knife) plague and other pests pest damage perennial area of nearly 100 million mu