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3 2011-2019年美国玉米机械粒收质量主要指标统计
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Table 3 Statistics of the main attributes of mechanical corn harvest quality in the United States from 2011 to 2019 (%)
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年份
Years | 样本量
No. of samples | 含水率
Moisture | 破碎率
Broken corn | 杂质率
Foreign material | 总损失率
Total damage | 应力裂纹粒率
Stress cracks | 完整粒率
Whole kernels | | 2011 | 474 | 15.6 (9.5-22.0) | 0.8 (0.0-10.1) | 0.2 (0.0-3.0) | 1.1 (0.0-12.0) | 3 (0-40) | 93.8 (57.0-99.8) | | 2012 | 566 | 15.3 (8.9-24.7) | 0.7 (0.1-4.8) | 0.2 (0.0-2.5) | 0.8 (0.0-12.7) | 4 (0-63) | 94.4 (68.0-100.0) | | 2013 | 610 | 17.7 (10.9-28.2) | 0.7 (0.1-3.9) | 0.2 (0.0-2.5) | 0.9 (0.0-13.6) | 9 (0-86) | 92.4 (73.6-99.6) | | 2014 | 629 | 16.6 (10.9-29.9) | 0.6 (0.1-3.3) | 0.2 (0.0-5.5) | 1.7 (0.0-17.3) | 8 (0-100) | 93.6 (63.6-99.8) | | 2015 | 620 | 15.7 (11.0-23.6) | 0.4 (0.0-7.5) | 0.3 (0.0-4.5) | 1.4 (0.0-13.2) | 3 (0-75) | 94.9 (78.4-99.8) | | 2016 | 624 | 16.1 (11.2-23.7) | 0.5 (0.0-3.8) | 0.1 (0.0-1.6) | 2.6 (0.0-23.1) | 4 (0-84) | 95.2 (80.6-100.0) | | 2017 | 627 | 16.6 (9.0-24.4) | 0.6 (0.0-3.5) | 0.2 (0.0-6.3) | 1.3 (0.0-13.6) | 5 (0-90) | 89.9 (67.0-99.2) | | 2018 | 618 | 16.6 (10.1-25.0) | 0.5 (0.0-3.6) | 0.2 (0.0-7.3) | 1.5 (0.0-19.3) | 5 (0-88) | 93.0 (66.0-98.6) | | 2019 | 623 | 17.5 (11.0-30.0) | 0.7 (0.2-5.3) | 0.3 (0.0-3.3) | 2.7 (0.0-50.5) | 8 (0-95) | 90.8 (74.7-97.6) | | 平均值Average | 16.4 | 0.6 | 0.2 | 1.6 | 6 | 93.1 | | 最大值Max. | 30.0 | 10.1 | 7.3 | 23.1 | 100 | 100.0 | | 最小值Min. | 8.9 | 0.0 | 0.0 | 0.0 | 0 | 57.0 | | 极差Range | 21.1 | 10.1 | 7.3 | 23.1 | 100 | 43.0 | | 标准误SE | 0.8 | 0.1 | 0.1 | 0.7 | 2 | 1.8 | | 变异系数CV (%) | 5.03 | 20.04 | 25.44 | 43.85 | 42.03 | 1.94 |
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