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The Reduction of Phosphorus Effluence from Greenhouse Canal Soil using Amendments in Korea

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  2007 ASAE Annual Meeting  072041.(doi:10.13031/2013.22932)
Authors:   Sung-Wook Yun, Seung-Hwan Baek, Jin-Chul Park, Chan YU
Keywords:   Phosphorus, Runoff Reduction, Greenhouse Sector, Industrial By-products,

Phosphorus(P) export from agricultural catchments can accelerate freshwater eutrophication. For most soils around canals of greenhouse sector in Korea, it has been well known that soil P exceeded the appropriate P level because of the continuous rotating cultivation system and the excessive fertilizing. Therefore the excessive P was concentrated in soils around canals and the effluence of P from these soils during the irrigation or flooding season has become a major cause of the pollution of reservoirs or rivers in Korea.

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