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苏共党第廿一次代表大会决定,在七年计划中,农业方面的主要任务是全力增加谷物产量。因此,在林业力面,也就要扩大护护林的比重,因为农田防护林是保证提高农作物产量的重要条件。到1965年底,防护林总面积将达到280万公顷,其中农田防护林占160万公顷。这样一来,森林虫害工作者要担负起亟其重大的任务,以便消灭防护林中的主要寄虫。在我们的防护林中,害虫种类很多。例如在松林中,滋生着
The 21st CPSU Congress decided that the main task of agriculture in the seven-year plan is to make every effort to increase grain output. Therefore, in the area of forestry, it is necessary to expand the proportion of forest protection, because farmland shelterbelts is an important condition for ensuring the increase of crop yields. By the end of 1965, the total area of shelterbelt will reach 2.8 million hectares, of which 1.6 million hectares will be covered by farmland shelterbelts. In this way, forest pest workers should undertake the most important task in order to eliminate the major parasites in the shelters. There are many types of pests in our shelter forest. For example, in the pine forest, breeding