References
- Abat, M., M. J. McLaughlin, J. K. Kirby, and S. P. Stacey. 2012. Adsorption and desorption of copper and zinc in tropical peat soils of Sarawak. Geoderma 175–176:58–63. doi: https://doi.org/10.1016/j.geoderma.2012.01.024.
- Alfthan, G., M. Eurola, P. Ekholm, E. R. Venäläinen, T. Root, K. Korkalainen, H. Hartikainen, P. Salminen, V. Hietaniemi, P. Aspila, et al. 2015. Effects of nationwide addition of selenium to fertilizers on foods, and animal and human health in Finland: from deficiency to optimal selenium status of the population. Journal of Trace Elements in Medicine and Biology 31:142–7.
- Ali, D. A., G. Ismail, and P. J. Peterson. 1991. Selenium in foods of animal and plant origin in Malaysia. Malaysian Applied Biology 20:103–112.
- Ali, F., M. El, J. B. R. Ray, N. P. Christine, D. L. Stormy, J. C. Jennifer, C. F. Sirine, and A. H. P. S. Elizabeth. 2014. Analysis of selenium accumulation, speciation and tolerance of potential selenium hyper accumulator Symphyotrichum ericoides. Physiologia Plantarum 152:70–83.
- Blois, M. S. 1958. Antioxidant determinations by the use of a stable free radical. Nature 181 (4617):1199–200. doi: https://doi.org/10.1038/1811199a0.
- Bray, R. H., and L. T. Kurtz. 1945. Determination of total, organic, and available forms of phosphorus in soils. Soil Science 59 (1):39–46.
- Cartes, P., L. Gianfreda, and M. L. Mora. 2005. Uptake of selenium and its antioxidant activity in ryegrass when applied as selenate and selenite forms. Plant and Soil 276 (1–2):359–67. doi: https://doi.org/10.1007/s11104-005-5691-9.
- Christophersen, O. A. G. Lyons, A. Haug, and E. Steinnes. 2012. Selenium. In Heavy metals in soils: Trace elements and metalloids in soils and their bioavailability, Environmental Pollution, ed. B. J. Alloway, vol. 22, 195–210. Dordrecht: Springer Science + Business Media.
- Department of Agriculture Malaysia. 2019. Crop Statistics Booklet (Food Crops Sub-sector).
- FAMA. 2020. Retrieved from. http://www.fama.gov.my/web/pub/latest-market-price
- Fordyce, F. 2013. Selenium deficiency and toxicity in the environment. In Essentials of medical geology, ed. O. Selinus. London: Elsevier, 373–415.
- Gabos, M. B., S. Goldberg, and L. Alleoni. 2014. Modelling selenium (IV and VI) adsorption envelopes in selected tropical soils using the constant Capasitance Model. Environmental Toxicology and Chemistry 33 (10):2197–207. doi: https://doi.org/10.1002/etc.2574.
- Garousi, F. 2017. Toxicity of selenium, application of selenium in fertilizers, selenium treatment of seeds, and selenium in edible parts of plants. Acta Universitatis Sapientiae, Alimentaria 10 (1):61–74. doi: https://doi.org/10.1515/ausal-2017-0004.
- Goh, K. H., and T. T. Lim. 2004. Geochemistry of inorganic arsenic and selenium in a tropical soil: Effect of reaction time, pH, and competitive anions on arsenic and selenium adsorption. Chemosphere 55 (6):849–59. doi: https://doi.org/10.1016/j.chemosphere.2003.11.041.
- Gupta, M., and S. Gupta. 2016. An overview of selenium uptake, metabolism, and toxicity in plants. Frontiers in Plant Science 7:2074.
- Hartikainen, H. 2005. Biogeochemistry of selenium and its impact on food chain quality and human health. Journal of Trace Elements in Medicine and Biology 18 (4):309–18. doi: https://doi.org/10.1016/j.jtemb.2005.02.009.
- Hasanuzzam, M., M. A. Hossain, and M. Fujita. 2010. Selenium in higher plants: Physiological role, antioxidant metabolism and abiotic stress tolerance. Journal of Plant Sciences 5 (4):354–75. doi: https://doi.org/10.3923/jps.2010.354.375.
- Hasanuzzaman, M., M. Borhannuddin Bhuyan, A. Raza, B. Hawrylak-Nowak, R. Matraszek-Gawron, J. Al Mahmud, K. Nahar, and M. Fujita. 2020. Selenium in plants: Boon or bane? Environmental and Experimental Botany 178:104170. doi: https://doi.org/10.1016/j.envexpbot.2020.104170.
- Hawrylak-Nowak, B., R. Matraszek, and M. Pogorzelec. 2015. The dual effects of two inorganic selenium forms on the growth, selected physiological parameters and macronutrients accumulation in cucumber plants. Acta Physiologiae Plantarum 37 (2):41. doi: https://doi.org/10.1007/s11738-015-1788-9.
- Lenny, H., V. Bas, D. J. Gerrad, S. S. Leila, P. S. Elizabeth, and S. B. Gary. 2015. Selenium cycling across soil-plant-atmosphere interfaces: A critical review. Nutrients 7:4199–239.
- Lessa, J., A. M. Araujo, G. Silva, L. Guilherme, and G. Lopes. 2016. Adsorption-desorption reactions of selenium (VI) in tropical cultivated and uncultivated soils under Cerrado biome. Chemosphere 164:271–7. doi: https://doi.org/10.1016/j.chemosphere.2016.08.106.
- Li, H. F., E. Lombi, J. L. Stroud, S. P. McGrath, and F. J. Zhao. 2010. Selenium speciation in soil and rice: Influence of water management and Se fertilization. Journal of Agricultural and Food Chemistry 58 (22):11837–43.
- Li, Y., N. Zhu, X. Liang, L. Zheng, C. Zhang, Y. F. Li, Z. Zhang, Y. Gao, and J. Zhao. 2020. A comparative study on the accumulation, translocation and transformation of selenite, selenate, and SeNPs in a hydroponic-plant system. Ecotoxicology and Environmental Safety 189:109955. doi: https://doi.org/10.1016/j.ecoenv.2019.109955.
- Mikkelsen, R. L. A. L. Page, and F. T. Bingham. 1989. Factors affecting selenium accumulation by agricultural crops. In Selenium in agriculture and the environment, ed. L.W. Jacobs, 65–94. Madison, WI: American Society of Agronomy, Inc., Soil Science Society of America, Inc.
- Petro, E. M., L. Mkabwa, G. Amra, A. F. Paul, L. Goran, E. Mate, and S. N. Stephen. 2015. Selenium accumulating leafy vegetables are a potential source of functional foods. International Journal of Food Science 2015:549676. doi: https://doi.org/10.1155/2015/549676.
- Premarathna, H. M. P. L., M. J. Mclaughlin, J. K. Kirby, G. M. Hettiarachchi, and S. Stacey. 2012. Influence of submerge and subsequent drainage on the partitioning and lability of added selenium fertilizers in a sulphur-containing Fluvisol. European Journal of Soil Science 63 (4):514–22. doi: https://doi.org/10.1111/j.1365-2389.2012.01462.x.
- Ramos, S. J., V. Faquin, L. Guilherme, E. M. Castro, F. W. Avila, G. S. Carvalho, C. Bastos, and C. Oliveira. 2010. Selenium biofortification and antioxidant activity in lettuce plants fed with selenate and selenite. Plant, Soil and Environment 56 (12):584–8. doi: https://doi.org/10.17221/113/2010-PSE.
- Rayman, M. P. 2012. Selenium and human health. Lancet (London, England) 379 (9822):1256–68. doi: https://doi.org/10.1016/S0140-6736(11)61452-9.
- Ros, G. H., A. Rotterdam, D. W. Bussink, and P. S. Bindraban. 2016. Selenium fertilization strategies for bio-fortification of food: An agro-ecosystem approach. Plant and Soil 404 (1–2):99–112. doi: https://doi.org/10.1007/s11104-016-2830-4.
- Saha, U., A. Fayiga, and L. Sonon. 2017. Selenium in the soil plant environment: A review. International Journal of Applied Agricultural Sciences 3 (1):1–18. doi: https://doi.org/10.11648/j.ijaas.20170301.11.
- Seppänen, M. M., J. Kontturi, I. S. Heras, Y. Madrid, C. Camara, and H. Hartikainen. 2010. Agronomic biofortification of Brassica with selenium—enrichment of SeMet and its identification in Brassica seeds and meal. Plant and Soil 337 (1–2):273–83. doi: https://doi.org/10.1007/s11104-010-0523-y.
- United States Environmental Protection Agency (EPA). 2008. Fate, Transport and Transformation Test Guidelines OPPTS 835.1230: Adsorption/Desorption (Batch Equilibrium). EPA 712-C-08-009.
- Walkley, A., and I. A. Black. 1934. An examination of the Degtjareff method for determining soil organic matter, and a proposed modification of the chromic acid titration method. Soil Science 37:29–38.
- WHO. 2011. Selenium in Drinking-water: Background document for development of WHO guidelines for drinking-water quality. Geneva: World Health Organization. (WHO/SDE/WSH/03.04/13/Rev/1).
- Zayed, A., C. M. Lytle, and N. Terry. 1998. Accumulation and volatilization of different chemical species of selenium by plants. Planta 206 (2):284–92. doi: https://doi.org/10.1007/s004250050402.
- Zhang, M., S. Tang, X. Huang, F. Zhang, Y. Pang, Q. Huang, and Q. Yi. 2014. Selenium uptake, dynamic changes in selenium content and its influence on photosynthesis and chlorophyll fluorescence in rice (Oryza sativa L). Environmental and Experimental Botany 107:39–45. doi: https://doi.org/10.1016/j.envexpbot.2014.05.005.
- Zhou, X., J. Yang, H. J. Kronzucker, W. Shi. 2020. Selenium Biofortification and Interaction With Other Elements in Plants: A Review. Frontiers in Plant Science 11. doi: https://doi.org/10.3389/fpls.2020.586421.