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"三瓜"套混种示范效果初报

郝天民,黄国平

CHINESE AGRICULTURAL SCIENCE BULLETIN（2001）

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Abstract
1试验目的 内蒙古宁城县是一个农业县,主要栽培作物是玉米,历年播种面积占总耕地面积的1/2以上.由于面积不断扩大,生产成本不断增加,种植玉米的效益越来越低.在种植业结构调整原则指导下,在汐子镇搞了1.48hm2的西瓜、西葫芦(角瓜)、甘薯(地瓜)套种、混种示范,简称"三瓜”套混种,以观察种植结构调整带来的增产增收效果.
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