夏谷种植密度与产量预测模型的研究

Tianjin Agricultural Sciences(2013)

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Abstract
采用田间小区试验和非线性回归分析的方法,对作物的密度与产量的经验模型进行模拟和比较。结果表明:二次曲线模型运算简洁、可操作性强,是模拟谷子密度与产量关系的最优模型。谷子种植密度对籽粒产量具有重要影响。谷子籽粒产量随着种植密度增加呈先升后降的趋势。
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Key words
planting density,yield,foxtail millet,prediction model
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