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洛川塬区玉米高产栽培,以清明前后播种,密度增加到3000—3500株/亩为宜;初步制定了高产玉米的施肥模式;肯定了地膜覆盖是原区玉米高产的重要措施.
High-yielding cultivation of maize in Luochuan’s highland was carried out before and after sowing and the density was increased to 3000-3500 plants / mu. The fertilization pattern of high-yielding maize was preliminarily established. It was affirmed that the mulching was an important measure to increase the yield of maize in the original area.