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Asian Journal of Physics Vol 32, Nos 9 – 12 (2023) 495-502

Analysis of non-thermal atmospheric pressure plasma-source based plasma-activated water for agricultural application

Priti Pal1,2, Vishali Singh1, Navin K Sharma3, Mahendra Singh1, Alok Mishra1, Shivendra Maurya1,2,
Ram Prakash Lamba1,2 and Udit Narayan Pal1,2
1CSIR- Central Electronics Engineering Research Institute, Pilani-333 031, India
2Academy of Scientific and Innovative Research (AcSIR), Ghaziabad- 201 002, India
3School of Physics, Devi Ahilya Vishwavidyalaya, Indore-452 001, India
Dedicated to Prof B N Basu

Design, development, and characterization of cold atmospheric pressure plasma (CAP) source have been carried out to meet the requirements for agricultural applications. The developed source is used to treat water sample at various time intervals to generate nutrient-rich plasma-activated water (PAW). The PAW has been tested at different operating and geometrical conditions to analyze the presence of reactive oxygen and nitrogen species (RONS) such as nitrate (NO3–), nitrite (NO2–), and hydrogen peroxide (H2O2). The concentration of NO3–, NO2– and H2O2 increases linearly in PAW with the increase in plasma treatment time. The developed PAW was also used for the irrigation of wheat grains to observe the effect on plants. The plants that were irrigated with PAW have shown higher germination rate, moisture content, vigour index, growth rate, etc., compared to those with the tap water. Also, there was no sign of microbial infection in the PAW-irrigated seeds. The generated PAW shows high potential to replace use of artificial urea in plants. © Anita Publications. All rights reserved.
Keywords: Cold Plasma, Plasma Plume, Turbulence, Plasma medicine.

Peer Review Information
Method: Single- anonymous; Screened for Plagiarism? Yes
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