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Evaluation of Soil Management Practices Using Wild Edible Greens for Reduction of Soil Erosion in Highland  

Joo, Jin Ho (Department of Biological Environment, College of Agriculture and Life Sciences, Kangwon National University)
Kim, Su-Jung (Department of Biological Environment, College of Agriculture and Life Sciences, Kangwon National University)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.40, no.6, 2007 , pp. 488-494 More about this Journal
Abstract
Highland regions for farming are generally located in slopes higher than 7%, where alpine farming systems rely on highly input agriculture management with great amounts of chemical fertilizer and/or compost. Most of the uplands is thus needed to maintain environmentally friendly soil management due to its impact on soil erosion and runoff during heavy rainfall season. Therefore, the objective of this research is to evaluate the effect of reduction of soil erosion by applying four wild edible greens (fatsia, goat beard, leopard plant, and aster). The lysimeter experiment of slope gradients of 15, 30, and 45% was conducted in an alpine region of Hoengkye, Kangwon, in 2005 and 2006. In 2005, both amounts of soil loss from the experiment plots cultivated with goat beard and aster were lower than one with Chinese cabbage by about 50%. The amounts of runoff of goat beard and aster plots were also lower than those of the others. An increase in the slope gradients was accompanied with an increase in runoff. Of the plots of slope gradient of 15, 30, and 45%, S of goat beard plots was 52.50, 108.33, and 171.50 kg, respectively. Soil loss of Chinese cabbage was 2 to 3 times as high as those of goat beard plots. These results suggest that goat beard and aster plants with minimum tillage reduce soil erosion compared to Chinese cabbage cultivation.
Keywords
Highland; Cover crop; Runoff; Soil erosion; Soil loss; Wild edible greens;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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