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农业是人类赖以生存的基础,农业收成的丰歉,直接影响国民经济,要获得农业持续稳定的增产丰收,必须不断克服、调整影响丰收的各种不利因素。国外有的资料报道:农业生产,从播种到粮食进入仓库,病虫害损失约占30%,而由进入仓库到食用,病虫害损失亦约占30%。国内有人统计,农业从生产到消费整个过程,病虫害的损失约占生产最的30～51%。因此,防治农作物病虫害,是农业增产必不
Agriculture is the foundation on which human beings depend. Survival and apology of agricultural products directly affect the national economy. To achieve sustained and steady increase in yield and yield of agriculture, we must constantly overcome and adjust various unfavorable factors that affect the harvest. Some foreign data reported that in agricultural production, from planting to grain entering the warehouse, pests and diseases lost about 30%, while pests and diseases lost about 30% from entering the warehouse. Some domestic statistics, agriculture from production to consumption of the entire process, the loss of pests and diseases account for about 30 to 51% of the production. Therefore, the prevention and control of crop pests and diseases is a must for agricultural production