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一、防治策略的回顾与展望防治病虫害要讲求策略。随着农业生产水平的提高,农业科学技术的进一步应用,人们对防治病虫害提出了更高的要求,特别在防治措施的经济效果上,要求既能控制住病虫害,促进农业稳产增产,又不破坏农业生态平衡。回顾我省植保工作方针及防治策略曾经历一个不断提高和完善的过程。解放初,强调发动群众,人工防治为主,“治早、治少、治了”;五十年代,提倡“预防为主,防治并举,土洋结合,经济有效”;七十年代中期提
First, the review and forecast of prevention and control strategies Pest control should focus on strategy. With the improvement of agricultural production and the further application of agricultural science and technology, people have put forward higher requirements on pest control. In particular, the economic effects of prevention and control measures require that both pests and diseases be controlled and agriculture be boosted without losing production Agricultural ecological balance. Recalling the policy of plant protection in our province and prevention and control strategies have undergone a continuous improvement and improvement of the process. At the beginning of the liberation, it was emphasized that mobilizing the masses and man-made prevention and treatment should be the mainstay. In the 1950s, the government advocated “prevention as the mainstay, prevention and control simultaneously, combining the soil and the sea, and being economically effective.” In the mid-1970s,