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KMID : 0613820190290070769
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Journal of Life Science
2019 Volume.29 No. 7 p.769 ~ p.773
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Comparison of the Migration and Absorption of Calcium and Magnesium in Apple Leaves Sprayed with Plant Nutrients Prepared by Wet Nano-grinding Technology
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Park Jae-Ryoung
Kim Eun-Gyeong
Lee Seung-Hyun
Chung Il-Kyung
Kim Jyung-min
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Abstract
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In this study, the migration route and the absorption rate of calcium and magnesium in apple leaves were compared and analyzed using plant nutrients prepared by wet nano-grinding technology. The plant nutrients were sprayed onto the leaves to confirm the component content and the movement route of the nanoized calcium and magnesium. At 2, 4, and 8 weeks after the plant nutrient treatment, the apple leaves were divided into petiole, lamina, and side, and SEM and EDS were used to measure the calcium and magnesium contents. The calcium and magnesium contents of the petiole increased from the 4th week after plant nutrient application to 1,115% at the 8th week. The calcium and magnesium contents of the lamina decreased after spraying but increased after 4 weeks. The calcium and magnesium contents increased in the side of the leaves compared to the control, reaching 673% after 4 weeks. The calcium and magnesium contents increased with increasing duration in all plots when compared with the control unsprayed leaves, suggesting that the usually poorly soluble calcium and magnesium were transferred from the petioles to the lamina. The results of this study indicate that improved calcium and magnesium absorption could be obtained in crops other than apples using plant nutrients produced through wet nano-processing technology. This technology is also expected to be applicable to natural products and bioindustries.
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KEYWORD
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Calcium, magnesium, nanoized, plant nutrients, wet nano grinding technology
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