The median, 25th and 75th percentile values from the distributions of the Mitscherlich-Baule crop response function parameters (a1, a2, a3 and a4) fitted for the 1358 individual crop trials.

The median, 25th and 75th percentile values from the distributions of the Mitscherlich-Baule crop response function parameters (a1, a2, a3 and a4) fitted for the 1358 individual crop trials.针对1358个独立作物试验拟合的米切利希-鲍尔（Mitscherlich-Baule）作物响应函数参数（a1、a2、a3、a4），其分布的中位数、第25百分位数与第75百分位数数值。