LI Zhaoyang,YANG Yuhui,WANG Xingpeng.Effect of Low Pressure Oistube-irrigation on Microclimate and Tomato Growth Characteristics in Greenhouse[J].Northern Horticulture,2017,41(11):47-51.[doi:10.11937/bfyy.201711010]
低压微润灌溉对日光温室小气候及番茄生长特性的影响
- Title:
- Effect of Low Pressure Oistube-irrigation on Microclimate and Tomato Growth Characteristics in Greenhouse
- Keywords:
- oistube-irrigation; tomato; ground temperature; humidity; growth characteristic
- 文献标志码:
- A
- 摘要:
- 以番茄为试材，研究了低压微润灌溉对日光温室小气候及番茄生长特性的影响，以明确低压微润灌溉在南疆地区设施大棚内的适宜性。结果表明：微润灌溉条件下的地温变化较滴灌稳定，变幅较小。番茄苗期至坐果期微润灌溉的地温普遍较滴灌高2.98 ℃，而在坐果期至成熟期则较滴灌低2.03 ℃。微润灌溉分别较滴灌的室内温度增加2.63 ℃，湿度降低11.2个百分点。微润灌溉的番茄根系直径、茎粗分别较滴灌增加19.30%和14.50%，而滴灌主根长及主根系数量分别较微润灌提高13.80%和11.29%。微润灌溉的番茄长势要好于滴灌，尤其是在苗期至坐果期可加快番茄株高生长，在一定程度上能够增加番茄须根数量及茎粗，但对主根长和主根系数量具有一定的抑制作用。
- Abstract:
- Tomato was used as test material，the effects of low pressure oistube-irrigation on greenhouse microclimate and field tomato growth characteristics were studied.To explore the suitability of low pressure oistube-irrigation of facilities greenhouse.The results showed that the change of oistube-irrigation ground temperature was more stable than that of dripirrigation;the ground temperature of tomato seedling-fruit stage was 2.98 ℃ higher than that of dripirrigation and 2.03 ℃ lower than that of dripirrigation in fruit-mature period.Oistube-irrigation had a positive effect on regulating the solar greenhouse microclimate，increasing indoor temperature by 2.63 ℃ and humidity by 11.2 percentage point compared with dripirrigation，respectively.The root diameter and stem diameter of oistube-irrigation were 19.30% and 14.50% higher than that observed in dripirrigation.However，the main root length and quantity of dripirrigation increased by 13.80% and 11.29%.Oistube-irrigation increased tomato growth trend especially at the stage of seedling-fruit.Oistube-irrigation increased the diameter of the stem and quantity of fibrous root of tomato，but it inhibited the length and quantity of main root.
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备注/Memo
第一作者简介：李朝阳（1986-），男，河南许昌人，硕士，讲师，现主要从事水资源高效利用等研究工作。E-mail：406487698@qq.com.责任作者：王兴鹏（1978-），男，回族，宁夏吴忠人，硕士，副教授，现主要从事极端干旱荒漠区农业水土环境等研究工作。E-mail：13999068354@163.com.基金项目：国家自然科学基金资助项目（51469029）；兵团中青年科技创新领军人才计划资助项目（2016BC001）；塔里木大学重大专项培育资助项目（TDZKPY201501）；塔里木大学青年基金资助项目（TDZKQN201512）。