Promotive or suppressive effects of ultrafine bubbles on crop growth depended on bubble concentration and crop species

IF 1.6 3区农林科学 Q2 AGRONOMY Plant Production Science Pub Date : 2021-08-05 DOI:10.1080/1343943X.2021.1960175

M. Iijima, Kaito Yamashita, Y. Hirooka, Y. Ueda, K. Yamane, Chikashi Kamimura

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引用次数: 5

Abstract

ABSTRACT Previous research into the effects of ultrafine bubbles (UFB) on plant growth have been contradictory. To facilitate the resolution of these contradictions, the aim of the present study was to clarify the interspecific differences in growth responses among cereal/leguminous species under different levels of UFB concentrations. Seedlings of six species were grown hydroponically with three different UFB concentrations and two levels of plant nutrition to evaluate biomass and elongation growth. UFB growth promotion under zero-nutrition occurred in all species. Interspecific differences were noted in response to differing UFB concentration levels. Rice and soybean had higher above-ground biomass production at both low and high concentrations. Conversely, other crops exhibited promoted growth at only one of the concentrations. Negative effects occurred in full nutrient conditions except for root elongation. This study demonstrated that growth-promoting effects with UFB depended on the crop species being tested and the concentration of UFB used. Graphical abstract

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超细气泡对作物生长的促进或抑制作用取决于气泡浓度和作物种类

摘要先前关于超细气泡（UFB）对植物生长影响的研究一直是矛盾的。为了便于解决这些矛盾，本研究的目的是阐明不同UFB浓度水平下谷类/豆科物种生长反应的种间差异。用三种不同浓度的UFB和两种水平的植物营养对六个物种的幼苗进行水培，以评估生物量和伸长生长。在零营养条件下，所有物种都有UFB生长促进作用。不同的UFB浓度水平引起了种间差异。水稻和大豆在低浓度和高浓度下都具有较高的地上生物量产量。相反，其他作物仅在其中一种浓度下表现出促进生长的作用。除根伸长外，在全营养条件下都会产生负面影响。这项研究表明，UFB的促生长作用取决于所测试的作物种类和使用的UFB浓度。图形摘要

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来源期刊

Plant Production Science 农林科学-农艺学

CiteScore

5.10

自引率

4.00%

发文量

审稿时长

>36 weeks

期刊介绍： Plant Production Science publishes original research reports on field crops and resource plants, their production and related subjects, covering a wide range of sciences; physiology, biotechnology, morphology, ecology, cropping system, production technology and post harvest management. Studies on plant production with special attention to resource management and the environment are also welcome. Field surveys on cropping or farming system are also accepted. Articles with a background in other research areas such as soil science, meteorology, biometry, product process and plant protection will be accepted as long as they are significantly related to plant production.