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上海地处东南沿海,每年七月中旬至九月中旬,常受台风侵袭,带来大雨或暴雨,往往造成田间积水,出现涝害。秋冬甘蓝,一般说七月下旬开始定植,一直延续到九月上旬。这段时间,正是台风季节,定植后的秧苗,常受淹致死。这不仅影响秋冬季的蔬菜供应,甚至连翌年的种子供应也受到影响。能否使受淹的甘蓝获得新生,把自然灾害造成的损失减轻到最低程度呢?实践证明,这是完全可以做到的。去年九月十日的一次台风暴雨过后,许多甘蓝苗受淹,造成大批死苗。九月十九日,
Located in the southeast coast from mid-July to mid-September, Shanghai is often hit by typhoons and brings heavy rain or heavy rain, often resulting in field waterlogging and waterlogging. Autumn and winter cabbage, generally said in late July colonization, has been extended to early September. This time, it is the typhoon season, after planting seedlings, often flooded to death. This not only affected the supply of vegetables in autumn and winter, but also affected the supply of seeds in the following year. Can the newly flooded cabbage be reborn and the losses caused by natural disasters be minimized? Practice has proved that this is entirely possible. After a typhoon storm on September 10 last year, many cabbage seedlings flooded, causing a large number of dead seedlings. September 19,