我们选择近三年不同地理位置、生产条件、产量水平的秋大豆典型田50块,对产量与其构成因素之间的关系进行统计分析.选择的50块田分布在全市六个县,其亩产为124.3～294.4斤,平均197.9斤,标准差((?))37.4斤,座落在Y±1(?)、Y±2(?)、Y±3(?)范围内的田块分别为35块、48块、50块,占总田块数的百分比分别为70%、96%、100%,与理论数值的68.28%、95.40%、99.37%相近,表明所选田块资料符合大数法则,接近正态分布,较能反映实际情况. We chose 50 typical autumn soybean plots of different geographical locations, production conditions and yield in the past three years and conducted statistical analysis on the relationship between yield and its components. The 50 plots selected were distributed in six counties in the city, (124.3 ~ 294.4 kg), with an average of 197.9 kg and a standard deviation of 37.4 kg. The plots located within Y ± 1 (?), Y ± 2 (?) And Y ± 3 35, 48, 50, accounting for 70%, 96% and 100% of the total number of plots, which is close to the theoretical values ​​of 68.28%, 95.40% and 99.37% Law, close to normal distribution, more able to reflect the actual situation.