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1976年秋、冬季武汉市旱冻出现早,持续时间长。9—12月份降水量较秋旱的常年少27.5%,月平均气温较常年低1.5℃。11月中旬出现低温,造成冻害2—3级,元月底最低温度达-18.1℃。这两次低温都超过了历史记录。冬后死苗普遍。花期、结荚期阴雨,低温,大风,日照减少。这些不利气候条件,对11月上旬移栽的三熟制中的晚茬油菜影响最重。在严重的自然灾害面前,在洪山区各级党委的领导下,在区农业局和计委、科委的具体组织下,各社队对旱灾冻害积极采取有力措施,不少单位在大灾之年夺得了平产、增产和大增产。花山公社东港大队300亩油菜,单产120斤,比去年增产1成,土桥十队增产6成;花山公社农科所增产28%;红军十队增产5成。他们抗干旱、冻害的经验是:
The autumn of 1976, Wuhan winter freeze appeared early, long duration. September-December rainfall 27.5% less than the perennial drought, the average monthly temperature 1.5 ℃ lower than normal. Low temperatures occurred in mid-November, resulting in freezing damage 2-3 levels, the lowest temperature of the end of January reached -18.1 ℃. Both hypothermia exceeded the historical record. Winter seedlings are common. Flowering, podding rainy, cold, windy, reduced sunshine. These unfavorable climatic conditions have the most impact on late cropping of rape in the three-cropping system transplanted in early November. In the face of serious natural disasters, under the leadership of Party committees at all levels in Hongshan District and under the specific organization of the District Agricultural Bureau and the Planning Commission and the Science and Technology Commission, various social teams took active and effective measures against freezing frost damage in the drought area. Won the level of production, increase production and large increase in output. Huashan commune Donggang brigade 300 acres of canola, yield 120 pounds, an increase of 1% over last year, soil bridge 10 team yield 6%; Huashan commune agricultural production by 28%; Their anti-drought and frost damage experience is: