排灌机械工程学报
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排灌机械工程学报  2010, Vol. 28 Issue (6): 543-547    DOI: 10.3969/j.issn.1674—8530.2010.06.018
节水灌溉工程 最新目录 | 下期目录 | 过刊浏览 | 高级检索 Previous Articles  |  Next Articles  
加氧灌溉对菠萝根区土壤呼吸和生理特性的影响
陈新明1,2,  Jay Dhungel3, Surya Bhattarai3, Manouchehr Torabi3, David J Midmore3
(1.西北农林科技大学 水利与建筑工程学院, 陕西 杨凌 712100;  2.旱区农业水土工程教育部重点实验室, 陕西 杨凌 712100;  3.中央昆士兰大学 植物与水研究中心, 澳大利亚 Rockhampton 4702)  
Impact of oxygation on soil respiration and crop physiological characteristics in pineapple
Chen Xinming1,2, Jay Dhungel3, Surya Bhattarai3, Manouchehr Torabi3, David J Midmore3
(1.College of Water Resources Architectural Engineering, Northwest A & F University, Yangling, Shaanxi 712100, China;  2.Key Laboratory for Agriculture Soil and Water Engineering in Arid Area, Ministry of Education, Yangling, Shaanxi 712100, China;3.Centre for Plant and Water Science, Central Queensland University, Rockhampton, QLD 4702, Australia) 
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摘要 通过大田试验,研究了加氧灌溉对菠萝根区土壤呼吸作用、生理特性、生物量积累、果实产量、品质和水分利用效率的影响.采用Mazeei(空气注射器)给地下灌溉系统加入空气,设计了加氧和不加氧灌溉2种处理方式,7次重复.设计滴头埋深10 cm.研究表明,与对照相比,菠萝根区30 cm以内土壤水分质量分数和CO2质量分数没有明显差异,但是加氧灌溉使得土壤呼吸增加了100%;菠萝的果实鲜重、生物量鲜重、干物质重和收获指数明显增大,差异有统计学意义(p≤0.05);加氧灌溉提高了菠萝的水分生产率,与对照相比增加了17.2%;同时,加氧灌溉明显改善了菠萝单果尺寸和重量,使得单果重量增加了17.3%,田间产量增加了4.3%,增加了果实的糖质量分数,减少了果实的透明物.研究结果为加氧灌溉技术的推广应用提供了理论依据.
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陈新明
Jay Dhungel
Surya Bhattarai
Manouchehr Torabi
David J Midmore
关键词加氧灌溉   土壤呼吸   产量   水分利用效率   菠萝     
Abstract: Oxygation refers to irrigation of the crops with aerated water, air injection using the venture principle or the supply hydrogen peroxide in the root zone, by using subsurface drip irrigation(SDI) system. This research investigated the potential of oxygation to enhance soil respiration, plant growth, yield, and water use efficiency(WUE) of pineapple in field experiments. The field experiment, compared Mazzei air injectors and control and treatments(oxygation or not),were randomized and  replicated seven times in pineapple. In the experiments, soil water content and CO2 concentration in root zone of pineapple did not differ significantly between oxygation and not. But soil respiration increased by 100%, for oxygation compared to control at the same depth. There were significant effects of oxygation on pineapple fresh biomass, dry matter and industry production, and the harvest index. The irrigation water use efficiency(WUE) was not significantly improved, the WUE values in oxygation treatments were somewhat greater 4.3% compared with the control. However, the yield  and some quality parameters were significantly improved, the total fruit yield and marketable yield increased by 17.3% and 4.3%. Our data suggest that the benefits of oxygation are application for field crop.
Key wordsoxygation   soil respiration   yield   water use efficiency   pineapple   
收稿日期: 2010-04-23; 出版日期: 2011-11-30
基金资助:

国家863计划项目(2006AA100202);国家自然科学基金资助项目(50779059);澳大利亚NPSI项目(SCO773)

通讯作者: Surya Bhattarai(1965-),男,尼泊尔人,高级讲师,博士(通讯作者,s.bhattarai@cqu.edu.au),主要从事农业灌溉技术和作物水分利用效率研究.   
作者简介: 陈新明(1968-),男,宁夏中宁人,副教授(cxm5503@126.com),主要从事节水灌溉理论和新技术研究.
引用本文:   
陈新明, Jay Dhungel,Surya Bhattarai等. 加氧灌溉对菠萝根区土壤呼吸和生理特性的影响[J]. 排灌机械工程学报, 2010, 28(6): 543-547.
CHEN Xin-Ming-, Jay Dhungel,Surya Bhattarai et al. Impact of oxygation on soil respiration and crop physiological characteristics in pineapple[J]. Journal of Drainage and Irrigation Machinery Engin, 2010, 28(6): 543-547.
 
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