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为了探索贵州省普定县玉米不同宽窄行种植在间套作上的增产效益,进行了玉米不同宽窄行套种大豆的试验。
In order to explore the yield-increasing effect of maize planting in different widths and widths in Puding County, Guizhou Province, experiments were conducted on different width and breadth intercropping soybean varieties.