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中文摘要：
在日光温室地下滴灌条件下,采用E601蒸发皿的水面蒸发量控制灌水量,向温室小型西瓜根区加气,并以不加气的处理为对照,研究相同灌水量条件下,不同加气频率（1次/d、1次/2 d、1次/4 d）对西瓜全生育期生长发育和产量的影响。结果表明：①根区加气处理对地下滴灌条件下日光温室小型西瓜形态指标和产量及品质产生了明显影响,3种加气频率在产量上与对照组相比分别提高了7.3%、18.6%、4.5%,可溶性总糖和可溶性固形物含量提高显著;②从西瓜株高、叶面积、叶绿素、总生物量和产量等综合分析,加气频率采用1次/2d处理优于其他加气处理,可为建立最优加氧灌溉模式提供理论依据。
英文摘要：
This study was conducted to evaluate the effects of different airjection frequency（1 time/d;1 time/2 d;1 time/4 d） on the growth and physiological characteristics of watermelon under Subsurface Drip Irrigation in greenhouse.The same irrigation quantities were determined by water surface evaporation（Epan） measured by a standard 0.601m diameter pan.The results showed that： ① The Morphological index and yield of watermelon was influenced remarkably by different airjection frequency.3 frequency（1 time/d;1 time/2 d;1 time/4 d） in yield,respectively,compared with the control group increased by 7.3%,18.6%,4.5%,total sugar and dissolvable solid content increased significantly;②Through analyzing plant height,chlorophyll,biomass,leaf area,yield,the results indicated that keeping the Aiejection frequency as two days one time was more suitable to the development of watermelon under Subsurface Drip Irrigation.This can provide a theoretical basis for the establishment of optimal airjection irrigation patterns.
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