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通过对提高玉米制种产量结合生产实践进行了调查研究,积累了一些有益的经验,不断改进制种技术,从而使玉米制种生产田产量得到稳定的提高。
Through the investigation and research on improving the yield of maize seed production in combination with production practice, some useful experiences have been accumulated and the seed production technology has been continuously improved so that the yield of maize seed production field can be steadily increased.