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Fluoride phytotoxicity

Autor Singh Munna, Verma Prachi, Verma Krishan Kumar
en Limba Engleză Paperback – 22 ian 2013
Worldwide ~200 million people from 28 tropical countries passing through the risk from fluoride poisoning known as fluorosis. It is estimated that ca. 65% Indian villages are at high risk of fluoride. India, Pakistan, China, Sri Lanka, Thailand, West Africa, Southern Africa, Estonia and Mexico are prone for ground water fluoride contamination. India has lowered its permissible upper limit from 1.5-1 mg/l and China has adopted the same, as it prevents dental caries. Nearly 99% of the total body burden of fluoride is retained in bones and teeth. It also gets concentrated in kidney and blood plasma cells. USDA has unapproved fluoride as an ingredient. About 95% of fluoride deposited in soil surface, unavailable to plants while, atmospheric fluoride enters in the cells through stomatal diffusion, becomes a great concern globally for herbivores and other consumers in the nature. Till date, three major anthropogenic sources of fluoride identified, i.e. phosphate fertilizer, combusted coal and industrial waste with phosphate to pollute soil and water. The excess fluoride may affect nearby ecosystem and their inhabitants in times to come with impaired plant performance and carbon-economy.
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Specificații

ISBN-13: 9783659323034
ISBN-10: 3659323039
Pagini: 108
Dimensiuni: 152 x 229 x 7 mm
Greutate: 0.17 kg
Editura: LAP Lambert Academic Publishing AG & Co. KG
Colecția LAP Lambert Academic Publishing

Notă biografică

Dr Munna Singh PhD (Gold-medalist), Fellow-JSPS, Japan is Professor Botany at University of Lucknow, also served GB Pant Univ. of Agric. & Tech., Pantnagar as Head, Plant Physiology. He made research at Okayama Univ. Japan & Turku Univ. Finland. Produced over 40 PG-PhD students. Dr.Prachi Verma & Dr. Krishan Kumar Verma are Post-doctoral students.