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秋播即将开始,为保证小麦一播全苗、夺取1994年夏粮丰收打好基础,要继续做好播种期地下害虫的防治工作,现将有关虫情和防治方法等概述如下。1 小麦主产区虫情和发生趋势我国种植的冬小麦约占全国小麦总面积的80%,其中黄淮海冬麦区(包括冀、鲁、豫、苏北、皖北、京、津、晋南)和西北的陕西关中平原及甘肃陇东、陇南冬麦区,面积共约1.6亿亩左右(因年度有差异),是我国最主要产
Autumn sowing is about to begin. In order to ensure the whole plantation of wheat and to seize the foundation for harvesting the summer harvest in 1994, we must continue to make good the prevention and control of underground pests in the sowing period. 1 Wheat pests and trends in the main producing areas The winter wheat planted in China accounts for about 80% of the total wheat area in the country, including Huang-Huai-Hai Winter Wheat Zone (including Hebei, Shandong, Henan, Northern Jiangsu, Northern Anhui, Beijing, Tianjin and Jinnan ) And the northwest Shaanxi Guanzhong Plain and Gansu Longdong, Longnan winter wheat area, an area of about 160 million mu (due to annual differences), is the most important production in China