Plasma-Activated Zn, Fe, Mn Micronutrient Solutions for Crop Biofortification
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| Format: | Preprint |
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2026
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| _version_ | 1866912819542228992 |
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| author | Kumar, Punit Saxena, Priti Singh, Abhishek Kumar |
| author_facet | Kumar, Punit Saxena, Priti Singh, Abhishek Kumar |
| contents | Micronutrient deficiency in soils limits crop productivity and reduces the nutritional quality of cereals and pulses. Conventional fertilizer supplementation often suffers from low bioavailability and environmental losses. In this study, we investigate the use of Plasma Activated Water (PAW) enriched with divalent micronutrient ions as a sustainable alternative to enhance nutrient uptake, soil fertility, and seed vigor. The PAW was generated using a gliding arc plasma system in air, and ion-enriched solutions were prepared at controlled concentrations. The physicochemical parameters (pH, ORP, conductivity, RONS species) were analyzed to assess the plasma induced reactivity. Treatments were applied to micronutrient deficient soils for wheat (Triticum aestivum) and chickpea (Cicer arietinum) seeds under greenhouse conditions. Results demonstrated significant enhancement in germination index, chlorophyll content, and shoot root biomass compared to controls. PAW and ionic treatments notably increased the micronutrient content in grains, indicating effective biofortification. Soil microbial activity and enzyme assays showed no toxicity and a mild stimulatory effect due to reactive nitrogen species. This study establishes a green, scalable method of delivering micronutrients through plasma-activated irrigation water, linking plasma chemistry with sustainable agronomy and nutritional security. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_07847 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Plasma-Activated Zn, Fe, Mn Micronutrient Solutions for Crop Biofortification Kumar, Punit Saxena, Priti Singh, Abhishek Kumar Other Quantitative Biology Plasma Physics Micronutrient deficiency in soils limits crop productivity and reduces the nutritional quality of cereals and pulses. Conventional fertilizer supplementation often suffers from low bioavailability and environmental losses. In this study, we investigate the use of Plasma Activated Water (PAW) enriched with divalent micronutrient ions as a sustainable alternative to enhance nutrient uptake, soil fertility, and seed vigor. The PAW was generated using a gliding arc plasma system in air, and ion-enriched solutions were prepared at controlled concentrations. The physicochemical parameters (pH, ORP, conductivity, RONS species) were analyzed to assess the plasma induced reactivity. Treatments were applied to micronutrient deficient soils for wheat (Triticum aestivum) and chickpea (Cicer arietinum) seeds under greenhouse conditions. Results demonstrated significant enhancement in germination index, chlorophyll content, and shoot root biomass compared to controls. PAW and ionic treatments notably increased the micronutrient content in grains, indicating effective biofortification. Soil microbial activity and enzyme assays showed no toxicity and a mild stimulatory effect due to reactive nitrogen species. This study establishes a green, scalable method of delivering micronutrients through plasma-activated irrigation water, linking plasma chemistry with sustainable agronomy and nutritional security. |
| title | Plasma-Activated Zn, Fe, Mn Micronutrient Solutions for Crop Biofortification |
| topic | Other Quantitative Biology Plasma Physics |
| url | https://arxiv.org/abs/2601.07847 |