文章详细信息 关键词： 夏玉米;;种植方式;;种植密度;;产量 [gap=751]Keywords: Summer maize;Planting mode;Planting density;Yield
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The results showed that the relationship between grain yield and content （protein,Lipid and starch） in maize kernel and plant density were quadratic curves （y=a1x+a2x2）.
研究结果表明,玉米子粒产量及子粒内含物（蛋白质、脂肪和淀粉）含量与种植密度均呈二次曲线（y=a1x+a2x2）关系。
参考来源 - 栽培措施和生态环境条件对玉米产量和品质的影响研究It can increase the removal efficiency of the nutrient substance by increasing the planting density suitably.
适当增加种植密度可以提高水体中营养物质的去除率。
参考来源 - 规模型草场处理富营养水体劣质水调控机理与设备的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
种植密度是影响甜高粱茎，种子和糖精含量的主要因素。
Planting density is the major factor that affected production of sweet sorghum stem and Seed and saccharinity.
茎粗随着种植密度的增大而有减小的趋势。
结论：合理的种植密度可以提高红花药材的产量和品质。
Conclusion: Reasonable planting density can improve the output and quality of safflower crude drug.
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