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我省气候温和,农作物种类多,病虫发生危害严重,往往是多种害虫同时混合发生或一种害虫多世代重叠,发生面积大,延续时间长,给农业生产造成很大威胁.企图用任何一种单一的防治措施控制危害是很困难的.我省人民多年来在与病虫害斗争的实践中,逐步摸索出在预防为主的前提下,科学运用对立统一规律,使农业、化学、生物、物理等防治方法有机配合,扬长避短,从而达到控制危害的综合防治措施,对减轻病虫危害,夺取农业丰收,起到了积极的作用.全省常年发生各种病虫害1.8-2.3亿亩次,防
In our province, the climate is mild, there are many kinds of crops, pests and diseases are seriously endangered, and many kinds of pests are often mixed together at the same time or more than one generation of pests, with large area and long duration, posing a great threat to agricultural production. It is very difficult for a single prevention and control measure to control the damage.People in our province have worked out the struggle against pests and diseases for many years and gradually worked out the principle of unity of opposites scientifically using the principle of prevention as the basis to make agriculture, chemistry, biology, Physical and other methods of prevention and control with organic, avoid weaknesses, so as to achieve a comprehensive prevention and control measures to control hazards to reduce pests and diseases, to seize the harvest of agriculture has played a positive role in perennial pests and diseases throughout the province occurred 1.8-2.3 million acres times