Taking Ruipu 908 as the research object,the effects of spraying"Yuhuangjin"on lodging resistance and yield of maize were studied.The results showed that the maize yield increased by 16.06%on average when"Yuhuangjin"was applied in the joint-ing period of summer maize.It was effective in improving lodging resistance and photosynthetic capacity of ear leaf of maize.
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