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1大豆重迎茬生育期间的病虫害主要有大豆霜霉病、大豆灰斑病、大豆食心虫。防治措施:一是农业防治:在大豆生育期内搞好中耕,促进新
1 soybean heavy welt crop diseases and pests during the main soybean downy mildew, soybean gray spot disease, soybean borer. Prevention and control measures: First, agricultural control: cultivation of soybean during the growth period to promote new