Enhanced nutrient uptake in salt-stressed Mentha piperita using magnetically treated water
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ORIGINAL ARTICLE
Enhanced nutrient uptake in salt-stressed Mentha piperita using magnetically treated water Sayed Amin Alavi 1 & Ahmad Mohammadi Ghehsareh 1 & Ali Soleymani 2,3 & Ebrahim Panahpour 4 Received: 2 May 2020 / Accepted: 19 August 2020 # Springer-Verlag GmbH Austria, part of Springer Nature 2020
Abstract The improvement of the growth and quality of medicinal plants under stress is of significance, worldwide. The hypothesis was to alleviate salinity stress in Mentha piperita by enhancing nutrient uptake using magnetically treated water, which to our knowledge has not been previously investigated. The objective was to test the effects of magnetized water (using alternating magnetic fields) (main plots, M1-M4 representing control, 100, 200, and 300 mT, respectively), salinity (subplots, S1-S4 representing control, 40, 80, and 120 mM NaCl, respectively), and growth medium (sub-subplots, X1-X4 representing coco peat, palm, coco peat + perlite, and palm + perlite, respectively) on M. piperita nutrient uptake in the greenhouse. The M treatments, especially the 100 and 200 mT levels, significantly increased plant N (1.08%, S3M4X1), P (0.89%, S3M3X1), K (3.23%, S3M3X1), Ca (53.6 mg/kg, S4M4X4), and Mg (39.63 mg/kg, S3M3X2) concentrations (compared with control at 0.71, 0.49, 2.4, 26.63, 1.63) even at the highest level of salinity. Magnetically treated water also significantly enhanced plant Fe and Zn concentration to a maximum of 750 μg/kg (M4S3X1) and 94.67 μg/kg (S4M4X3), under salinity stress, respectively. The single and the combined use of organic and mineral media significantly affected plant nutrient uptake, especially when used with the proper rate of M treatment. If combined with the proper growth medium, the magnetized water may be more effective on the alleviation of salt stress in Mentha piperita by enhancing nutrient uptake. Keywords Calcium . Coco peat . Iron . Magnesium . Magnetism, medicinal plants
Introduction Salinity is one of the most important stresses, worldwide, negatively affecting plant growth and yield production. Salinity decreases plant growth and nutrient uptake due to increased osmotic potential and the toxicity of sodium (Na+) and chloride (Cl−) ions (Miransari and Smith 2007). A large part of
Handling Editor: Handling Editor: Peter Nick * Ahmad Mohammadi Ghehsareh [email protected] 1
Department of Soil Science, Isfahan (Khorasgan) Islamic Azad University, Isfahan, Iran
2
Department of Agronomy and Plant Breeding, Isfahan (Khorasgan) Islamic Azad University, Isfahan, Iran
3
Plant Improvement and Seed Production Research Center, Isfahan (khorasgan) Branch, Islamic Azad University, Isfahan, Iran
4
Department of Soil Science, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
agricultural lands is saline or subjected to some kind of salinity, especially under arid and semi-arid areas of the world indicating the significance of research on the alleviation of salt stress (Jamshidi and Javanmard 2018). Due to the health and economic significance of medicinal plants, they
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