Effects of the Incorporation of Phosphorus and Iron into Arsenic-Spiked Artificial Soils on Root Growth of Lettuce using Response Surface Methodology
- Authors
- Koo, Namin; Kim, Min-Suk; Hyun, Seunghun; Kim, Jeong-Gyu
- Issue Date
- 12-4월-2013
- Publisher
- TAYLOR & FRANCIS INC
- Keywords
- Arsenic; iron; lettuce; phosphorus; response surface model; root elongation
- Citation
- COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, v.44, no.7, pp.1259 - 1271
- Indexed
- SCIE
SCOPUS
- Journal Title
- COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
- Volume
- 44
- Number
- 7
- Start Page
- 1259
- End Page
- 1271
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/103510
- DOI
- 10.1080/00103624.2012.756003
- ISSN
- 0010-3624
- Abstract
- We investigated effects of phosphorus (P) and iron (Fe) on root elongation (RE) of lettuce in arsenic (As)spiked soils using response surface methodology (RSM). To stabilize interactions between As and Fe in a soil preparation, the sequential incorporation method using Fe and P (SIMFe-P) was applied. From a phytotoxicity assay, As in roots (Asroot) was negatively associated with RE, Fe in soils, and P in roots and soils. The P in roots was also positively related to RE. In a model study, As and interaction factor between P and Fe showed negative coefficients but others showed positive ones. From a confirmation study, RE on exposure to As was verified to be much greater in soils treated by SIMFe-P than in soils separately treated with both elements. These results indicated that application of SIMFe-P to As-contaminated soils might be expected to have an advantage during the early stage of plant root growth.
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Collections - College of Life Sciences and Biotechnology > Division of Environmental Science and Ecological Engineering > 1. Journal Articles
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