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为了探索地膜覆盖玉米的效果以及这项新技术能否在苏北沿海棉旱粮地区大面积粮棉(棉花,玉米)夹作栽培中应用,1982年进行了玉米地膜覆盖栽培试验.
In order to explore the effect of plastic mulching on maize and whether this new technology can be applied to the cultivation of large-area cotton (maize and cotton) intercropping in the coastal cotton riparian areas of northern Jiangsu Province, the plastic mulching cultivation experiment was conducted in 1982.