| The water consumption rule of jujube trees under different emitter flow rate and irrigation quota |
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| DOI：10.7606/j.issn.1000-7601.2014.01.012 |
| Key Words: jujube trees emitter flow rate irrigation quota water consumption rule |
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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. |
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