豇豆播种期与开花期函数模型构建

Jie KANG,Zhongwu ZHANG,Xincheng SUN,Yuanhua ZHAN,Lianyong YANG,Yuanqun PENG,Weiping CHEN

Journal of Jianghan University Natural Science Edition（2019）

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Abstract

为了便于豇豆生产者掌握豇豆最佳播种期,实现豇豆预期上市,整理了16年来16次'早生王'豇豆的播种期与开花期数据,并进行相关及回归分析.结果表明:播种期(x)与开花期(y)的相关系数为-0.842,达到极显著相关水平;随着播种期推迟,豇豆开花期却缩短;播种期与开花期的关系式可表述为:y=82.854-12.619 x+1.098 x2-0.032 x3.该回归关系拟合优度极显著,可用于实践中根据播种期估测开花期,或根据上市期推断播种期,以指导豇豆生产.

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