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一、试验的依据和目的地处江南的金衢盆地是全国重要的商品粮基地。以小麦为主的春粮生产在全年粮食生产中占有一定的比重。受亚热带季风气候影响,春季多雨少光照,赤霉病发生普遍、危害重,是春粮生产低而不稳的主要障碍因子。近年由于气候变化,5月时有干热风出
First, the test basis and destination Jiangnan Qu basin is an important commodity grain base. The production of spring wheat, which is dominated by wheat, occupies a certain proportion of grain production throughout the year. Affected by the subtropical monsoon climate, the rainfall in spring is less and less light, and the occurrence of FHB is common and serious, which is the main obstacle factor of low and unstable spring production. In recent years, due to climate change, there will be dry hot air out in May