吉林省22份主推玉米品种区域试验评价
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苏桂华,李春雷,苏义臣
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Evaluation of 22 Main Popularized Varieties by Variety Regional Trails in Jilin Province
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Guihua Su,Chunlei Li,Yichen Su
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表5 玉米品种平均产量频次分布
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Table 5 Frequency distribution of average yield of maize grain yield
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平均产量组中值(kg/hm2)
Class mid-value of average yield | 样本数
Sample number | 理论值
Theoretical value | 比例(%)
Ratio | 累计次数
Accumulated times | 累计比例(%)
Accumulated ratio | | 8 811.5 | 3 | 1.54 | 13.64 | 3 | 13.64 | | 9 086.6 | 3 | 3.23 | 13.64 | 6 | 27.27 | | 9 361.7 | 4 | 4.79 | 18.18 | 10 | 45.45 | | 9 636.8 | 4 | 5.04 | 18.18 | 14 | 63.64 | | 9 911.9 | 4 | 3.76 | 18.18 | 18 | 81.82 | | 10 187.0 | 4 | 1.99 | 18.18 | 22 | 100.00 |
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