中国玉米机械粒收质量主要指标分析
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王克如, 李璐璐, 高尚, 王浥州, 黄兆福, 谢瑞芝, 明博, 侯鹏, 薛军, 张国强, 侯梁宇, 李少昆
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Analysis of main quality index of corn harvesting with combine in China
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WANG Ke-Ru, LI Lu-Lu, GAO Shang, WANG Yi-Zhou, HUANG Zhao-Fu, XIE Rui-Zhi, MING Bo, HOU Peng, XUE Jun, ZHANG Guo-Qiang, HOU Liang-Yu, LI Shao-Kun
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表1 2012-2019年玉米机械粒收质量统计
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Table 1 Statistics of the quality of mechanically harvested corn from 2012 to 2019
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年份
Year | 样本量
No. of samples | 收获时籽粒含水率
Grain moisture at
harvest (%) | 破碎率
Broken corn (%) | 杂质率
Foreign
material (%) | 落粒量
Grain loss
(kg hm-2) | 落穗量
Grain loss
(kg hm-2) | 总损失量
Whole loss
(kg hm-2) | 总损失率
Whole loss rate (%) | | 2012 | 84 | 21.71 | 7.85 | 0.29 | 103.1 | 126.0 | 229.1 | 1.47 | | 2013 | 128 | 25.00 | 5.34 | 1.12 | 256.8 | 332.4 | 268.4 | 1.95 | | 2014 | 231 | 26.31 | 8.72 | 2.04 | 79.8 | 402.0 | 338.3 | 4.10 | | 2015 | 436 | 26.85 | 8.43 | 1.16 | 163.1 | 282.8 | 331.2 | 2.93 | | 2016 | 390 | 26.71 | 8.64 | 1.01 | 62.0 | 332.9 | 228.9 | 2.16 | | 2017 | 817 | 27.28 | 8.79 | 1.46 | 86.4 | 442.1 | 327.5 | 3.31 | | 2018 | 465 | 24.85 | 7.83 | 1.25 | 140.0 | 434.9 | 541.2 | 4.81 | | 2019 | 436 | 23.88 | 6.48 | 0.76 | 127.1 | 287.4 | 344.9 | 5.36 | | 平均值Average | 25.91 | 7.96 | 1.18 | 113.6 | 351.2 | 345.2 | 3.54 | | 最大值Max. | 44.60 | 33.94 | 13.24 | 3133.8 | 8960.1 | 9288.5 | 58.88 | | 最小值Min. | 10.63 | 0.05 | 0.00 | 0.0 | 0.0 | 0.0 | 0.00 | | 极差Range | 33.97 | 33.89 | 13.24 | 3133.8 | 8960.1 | 9288.5 | 58.88 | | 标准误SE | 5.03 | 4.81 | 1.53 | 12.1 | 47.1 | 42.2 | 6.42 | | 变异系数CV (%) | 19.40 | 60.38 | 129.82 | 159.84 | 200.99 | 183.45 | 181.53 |
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