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前几年,我区实行了冬春蔬菜育苗全部以村为单位专业化集中育苗、统一供大苗,而今又在全区范围内进一步推行夏秋高温季节集中育苗、统一供苗。利用冬春育苗的大棚设施,采取降温、防暴雨措施,实施技术操作规范化,将甘蓝、花椰菜、秋莴苣、秋芹菜等4种夏秋作物实行专业化育苗,深受广大菜农欢迎,取得良好效果。但随着专业化育苗的不断发展,出现了新的问题,其中最突出的是覆盖材
A few years ago, my district implemented winter and spring vegetable nursery all the units specialized in the village focused on nursery stock, unified for large seedlings, and now in the region to further promote summer and fall high-temperature seasons focus on nursery, uniform supply Miao. Winter and spring nursery greenhouses using facilities, take cooling, anti-storm measures, the implementation of standardized technical operations, the cabbage, cauliflower, autumn lettuce, autumn celery and other four kinds of summer crops specialized breeding, welcomed by the majority of vegetable farmers and achieved good results. However, with the continuous development of specialized nursery, new problems have emerged, the most prominent of which is the covering material