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等离子医学
SJR: 0.278 SNIP: 0.183 CiteScore™: 0.57

ISSN 打印: 1947-5764
ISSN 在线: 1947-5772

等离子医学

DOI: 10.1615/PlasmaMed.2016015742
pages 177-187

Effect of Ozonated Water Supplied Intermittently to Underground Roots on the Growth of Komatsuna (Brassica rapa var. perviridis)

Hideyuki Saito
School of Food, Agricultural and Environmental Sciences, Miyagi University, 2-2-1 Hatadate, Taihaku, Sendai, Miyagi 982-0215, Japan
Satoru Iizuka
Department of Electrical Engineering, Graduate School of Engineering, Tohoku University, 6-6- 05 Aza Aoba, Aramaki, Aoba, Sendai, Miyagi 980-8579, Japan

ABSTRACT

The effect of ozonated water on plant growth was examined. Ozonated water, produced by an atmospheric barrier discharge, was supplied intermittently twice a day, except on rainy and cloudy days, to the underground roots of komatsuna (Brassica rapa var. perviridis) by changing the feeding time interval. Being apart from the feeding position, the weights of komatsuna increased by 2.4 times in the case of 5-sec feeding and 2.9 times in the cases of 78-sec feeding, compared to those of control. Intermittent supply of a suitable amount of ozon-ated water to the underground roots was found to activate plant growth.