摘要
采用两次回归正交组合设计方法研究了不同密度和果枝数情况下,人工模拟去除早期蕾后对棉花产量的影响,建立了相应的数学模型。明确了以上三因素对产量的单独反响及互作效应。讨论了个体生产力和群体生产力以及不同品种间对环境需求的差异性。
This experiment is conducted with the method of quadratic regres- sion orthogonal design.Responses of cotton yield to three variables(i.e.planting densities,fruit branches and manual removal of squares in early July)are dealt to the variables is developed.The differences of optimal environment to be satisfied between reproductivities of individual and stand,differences among cultivars are discussed.
基金
国家"七五"科技攻关资助项目内容
关键词
棉花
棉铃虫
数学模型
密度
果枝数
cotton
stand compensation
quadratic orthogonal
design
cotton bollworm
model
