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Assessment of Agricultural Nutrient Surplus in Pig-concentrated Region in Korea
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 Title & Authors
Assessment of Agricultural Nutrient Surplus in Pig-concentrated Region in Korea
Lee, Yejin; Yun, Hong-Bae;
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 Abstract
Assessment of nutrient balance in region unit is important to make a decision on nutrient management in agriculture. In this study, the nutrient demand in arable land and nutrient supply from livestock manure and chemical fertilizer were estimated from pig-concentrated areas. Three regions (H, I and J) were selected on the basis of pig numbers per unit area of arable land. In H and I regions, nitrogen amount from pig manure occupied about 50% of total livestock manure. Nutrient supply was three times higher compared to the nutrient demand in each of 3 regions. Soil available phosphate of higher pig-populated area in regional unit was higher than less populated livestock area. Therefore, livestock manure-derived regional management and monitoring of soil nutrient contents is necessary for the minimization and improvement of nutrient surplus.
 Keywords
Pig concentration region;Nutrient surplus;Livestock manure;
 Language
Korean
 Cited by
 References
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