油菜受雹灾后抗灾夺丰收的效果调查

• 作 者: 郭忠斌
• 机 构: 广济县四望公社农技站
• 出 处: 湖北农业科学
• 发表日期: 1981年11期
• 关键词: 油菜 夺丰收 主轴 雹灾 效果调查 豌豆 冰雹 无叶 受灾程度 角粒数

1981年3月20日,我们这里下了一场历史上少见的冰雹,大似鹅蛋,小似豌豆,历时20分钟,并拌有8级以上大风,当时我社13,000多亩正进入花期的油菜遭到毁灭性的灾害。受灾油菜田的灾情主要可分三类:一类是全株无叶、无花、无主轴,只有少数无效分枝的,占受灾面积56％;二类是主轴全无,剩下少数完整和未被完全打断分枝的占27.7％;三类是主轴与分枝基本完好,而花、叶受冻较重的占9.2％。通过抗灾,油菜恢复较快,夺得了丰收,总产达到232万斤,与1980年相比,面积近似而总产增加17.2％。

On March 20, 1981, we had a rare hail here, a goose-like egg, a small pea, which lasted 20 minutes and was accompanied by a typhoon of magnitude 8 and above when 13,000 mu of our community was entering the flowering period Rape devastated. Affected rape field disaster can be divided into three categories: one is the whole plant leafless, no flowers, no spindle, only a few invalid branches, accounting for 56% of the affected area; the second is the spindle without the rest of the few intact and 27.7% of the branches were not completely interrupted; the three types were basically intact with the main axis and branches, while the flowers and leaves were 9.2% more heavily frozen. Through the disaster, rape recovered quickly, won the bumper harvest, with a total output of 232 million catties, compared with 1980, an area of ​​approximately 17.2% increase in total output.