气象干旱对中亚棉花产量的影响
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徐杨, 李秀芬, 葛全胜, 郝志新
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Effect of meteorological drought on cotton yield in Central Asia
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XU Yang, LI Xiufen, GE Quansheng, HAO Zhixin
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表4 塔什干棉花产量与生育期天数的验证结果
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Tab. 4 Calibration and validation results of cotton yield and growth period in Tashkent
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| 调参验证 | 播种密度
(万株/hm2) | 灌溉方式 | 灌溉量(mm) | 产量(kg/hm2) | 生育期天数(d) | | 实测值 | 模拟值 | 相对误差(%) | 实测值 | 模拟值 | 相对误差(%) | | 调参 | 9 | 滴灌 | 300 | 1750.0 | 1723.3 | -1.5 | 110 | 111 | 0.9 | | 18 | 滴灌 | 300 | 2360.0 | 2114.9 | -10.4 | 109 | 110 | 0.9 | | 24 | 滴灌 | 300 | 2920.0 | 2799.0 | -4.1 | 110 | 113 | 2.7 | | 验证 | 14 | 沟灌 | 900 | 1386.2 | 1329.9 | -4.1 | 134 | 132 | -1.5 | | 14 | 滴灌 | 275 | 1810.6 | 1950.5 | +7.7 | 127 | 124 | -2.4 | | 14 | 滴灌 | 160 | 1102.0 | 1063.6 | -3.5 | 124 | 125 | +0.8 | | 26 | 滴灌 | 275 | 2914.4 | 2739.4 | -6.0 | 127 | 121 | -4.7 | | 26 | 滴灌 | 160 | 1772.4 | 1882.7 | +6.2 | 124 | 121 | -2.4 |
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