氮肥对非充分灌溉下棉花花铃期光合特性及产量的补偿作用
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石洪亮,严青青,张巨松,李春艳,窦海涛
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Compensation Effect of Nitrogen Fertilizer on Photosynthetic Characteristics and Yield during Cotton Flowering Boll-setting Stage under Non-sufficient Drip Irrigation
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Hong-Liang SHI,Qing-Qing YAN,Ju-Song ZHANG,Chun-Yan LI,Hai-Tao DOU
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表2 水、氮分配表
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Table 2 Distribution table of water and nitrogen
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处理
Treatment | 日期 Date (day/month) | 10/04-
12/04 | 16/06-
20/06 | 23/06-
27/06 | 30/06-
04/07 | 07/07-
11/07 | 14/07-
18/07 | 21/07-
25/07 | 28/07-
01/08 | 04/08-
08/08 | 11/08-
15/08 | 18/08-
22/08 | | 灌溉量 Drip irrigation amount | | | | | | | | | | | 2800 m3 hm-2 | | 168.0 | 224.0 | 280.0 | 336.0 | 392.0 | 392.0 | 336.0 | 280.0 | 224.0 | 168.0 | | 3800 m3 hm-2 | | 228.0 | 304.0 | 380.0 | 456.0 | 532.0 | 532.0 | 456.0 | 380.0 | 304.0 | 228.0 | | 施氮量 Nitrogen application | | | | | | | | | | | N0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | N150 | 30 | 7.2 | 9.6 | 12.0 | 14.4 | 16.8 | 16.8 | 14.4 | 12.0 | 9.6 | 7.2 | | N300 | 60 | 14.4 | 19.2 | 24.0 | 28.8 | 33.6 | 33.6 | 28.8 | 24.0 | 19.2 | 14.4 | | N450 | 90 | 21.6 | 28.8 | 36.0 | 43.2 | 50.4 | 50.4 | 43.2 | 36.0 | 28.8 | 21.6 |
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