| 摘要: |
| 通过大田试验研究了不同滴头流量及灌水定额下红枣树的耗水规律，结果表明：各处理红枣树的全生育期耗水规律呈现单峰曲线变化，峰值出现在8月10日前后，各处理红枣树的日均最大耗水量在4.00～5.74 mm之间变化，各处理红枣树花期至成熟落叶期的作物系数在0.399～1.036之间变化，累积耗水量在287.0～413.5 mm之间变化；采用相同滴头流量时，红枣产量和WUE均随灌水定额的增大而增加，但增加的幅度逐渐减小；采用相同灌水定额时，增加滴头流量能够提高红枣产量和WUE，但在a=0.05水平下，未达到显著水平。 |
| 关键词: 红枣树 滴头流量 灌水定额 耗水规律 |
| DOI： |
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| 基金项目:国家科技支撑计划（2011Bad29B05）；新疆自治区科技重大专项（201130103-1）；新疆水利水电工程重点学科基金资助项目(XJZDXK-2002-10-05) |
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| The water consumption rule of jujube trees under different emitter flow rate and irrigation quota |
| Hong Ming1, ZHU Hang-wei2, MU Ha-xi1, ZHAO Jing-hua1, MA Ying-jie1 |
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| Abstract: |
| The water consumption rule of jujube trees under different emitter flow rate and irrigation quota was studied through the field experiment. The results have showed that water consumption rule of jujube trees in whole growing period for each treatment appeared a single peak curve, the peak value appeared at 10 August before and after, with the average daily peak water consumption changed at 4.00～5.74 mm. The crop coefficient of jujube trees from flowering period to mature period for each treatment was changed in 0.399～1.036, the cumulated water consumption for each treatment was ranged from 287.0 mm to 413.5 mm. When the same emitter flow rate was adopted, the jujube yield and wat
er use efficiency (WUE) was increased with the increasing irrigation quota, but rise extent was gradually decreased. When the emitter flow rate was increased, the jujube yield and WUE will been added under the condition adopted same irrigation quota, but at the a=0.05 level, can’t be reached the significant level. |
| Key words: jujube trees emitter flow rate irrigation quota water consumption rule |
