论文部分内容阅读
进入冬季,随着冷空气不断加强,气温偏低,会使保护地蔬菜生产受到一定影响。提醒广大菜农密切注意天气变化,采取有效措施积极预防阴雪天气带来的危害,确保蔬菜越冬安全。一、及时清扫积雪为了减少由于积雪而导致的棚骨架负重,防止棚室坍塌,延长草苫使用寿命,应及时采取扫雪、铲雪、棚内加温化雪等措施清扫积雪。要根据大棚负载及时采取加固棚架等措施,避免发生大面积倒塌。二、光照管理
Into the winter, as the cold air continues to strengthen, the temperature is low, will make the protection of vegetable production to a certain extent. To remind most vegetable farmers to pay close attention to changes in the weather and take effective measures to actively prevent the harm caused by snow and snow, to ensure the safety of vegetables over winter. First, promptly clean the snow In order to reduce the snow load caused by the shed frame to prevent the collapse of the greenhouse to extend the service life of the grass should be promptly taken to snow, snow shovel, greenhouse snow and other measures to clean the snow. In accordance with the timely manner to load greenhouses to strengthen the scaffolding and other measures to avoid a large area collapse. Second, light management