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河北省植保部门根据全省冬前基数调查,结合农田生态条件,近日预计2008年该省农业有害生物总体将呈中等偏重发生,预计病虫害发生面积达5.5亿亩次,接近上年。据河北省植保站专家介绍,根据对全省小麦田间调查,预计今年小麦麦蚜大发生,发生面积3500万亩;小麦吸浆虫中等偏重发生,发生面积950万亩;小麦纹枯病中等偏重
According to the investigation of the pre-winter base of the province and the ecological conditions of farmland, the plant protection department of Hebei Province recently estimated that the total amount of agricultural pests in this province will be moderately weighted in 2008 and the estimated pest occurrence area will reach 550 million mu, close to the previous year. Plant protection station in Hebei Province, according to experts, according to the survey of wheat in the province, wheat aphid is expected to occur this year, with an area of 3500000 acres; midribosclerosis occurred moderately, the occurrence of an area of 9.5 million hectares; Wheat sheath blight moderately heavy