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根据湖南省多年多点的棉花苗情定点观察与气象观测资料,采用相关及多种回归分析方法,研究棉花产量与苗情性状及气候条件相互间的内在联系和定量关系,找出影响棉花生长发育及产量形成的主导因素,并根据所建立的回归方程进行苗情预测预报,从而提出有效的促控指标,为指挥棉花生产,作出宏观决策提供科学依据。
According to the multi-year fixed point observation and meteorological observation data of cotton seedlings in Hunan Province, the correlation and multiple regression analysis methods were used to study the relationship and quantitative relationship between cotton yield, seedling traits and climatic conditions, Development and yield formation. According to the regression equation established, the forecast of seedling condition is made, and an effective control index is put forward to provide a scientific basis for directing cotton production and making macro decisions.