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Soil Characteristics of Newly Reclaimed Tidal Land and Its Changes by Cultivation of Green Manure Crops
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 Title & Authors
Soil Characteristics of Newly Reclaimed Tidal Land and Its Changes by Cultivation of Green Manure Crops
Lee, Kyeong-Bo; Kang, Jong-Gook; Lee, Kyeong-Do; Lee, Sanghun; Hwang, Seon-Ah; Hwang, Seon-Woong; Kim, Hong-Kyu;
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 Abstract
This study was conducted to investigate the soil characteristics of newly reclaimed tidal land and the effect of green manure crops on soil properties. Summer green manure crops such as sesbania (Sesbania grandiflora), barnyard grass (Echinochloa spp.) and sorghumsudangrass hybrid (Sorghum bicolor L.) were cultivated at Hwaong, Ewon, Saemangeum and Yongsangang area. Soil pH of reclaimed tidal land was relatively high, but organic matter and available phosphorus contents were lower compared to the optimum range for common upland crops. Soil nutrient contents were unbalanced for upland crop growth. Yield of green manure crops had a wide spatial variation. Nitrogen content in green manure crops was the greater in Sesbania and it was estimated that major nutrient () supply amount were 150-40-370, 220-50-170 and 140-50-250 from sorghumsudangrass hybrid, sesbania and barnyard grass, respectively. Based on these results, desalination is required to grow the upland crops at newly reclaimed tidal lands and management practices are necessary to reduce the salt damage by resalinization during the growing seasons. To improve the productivity and increase the nutrient utilization rate, soil physicochemical properties need to be improved to the level for upland crops by application of organic matter and fertilizer.
 Keywords
Reclaimed tidal land;Green manure crop;Soil properties;
 Language
Korean
 Cited by
1.
Effect of Soil Salinity Levels on Silage Barley Growth at Saemangeum Reclaimed Tidal Land,;;;;;;;

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한국토양비료학회지, 2013. vol.46. 5, pp.399-407 crossref(new window)
3.
The Characteristics of Growth and Green Manure Yield by Different Kinds of Landscape Crops Cultivated in Summer in Upland Soil,;;;;;;

한국토양비료학회지, 2014. vol.47. 5, pp.324-331 crossref(new window)
4.
Effect of Sesbania Incorporation as Nitrogen Source on Growth and Yield of Whole Crop Barley and Reduction of N Fertilizer in Saemangeum Reclaimed Tidal Land,;;;;;;;;;;;;;;;;

한국토양비료학회지, 2016. vol.49. 6, pp.751-759 crossref(new window)
1.
The Characteristics of Growth and Green Manure Yield by Different Kinds of Landscape Crops Cultivated in Summer in Upland Soil, Korean Journal of Soil Science and Fertilizer, 2014, 47, 5, 324  crossref(new windwow)
2.
Effect of Sesbania Incorporation as Nitrogen Source on Growth and Yield of Whole Crop Barley and Reduction of N Fertilizer in Saemangeum Reclaimed Tidal Land, Korean Journal of Soil Science and Fertilizer, 2016, 49, 6, 751  crossref(new windwow)
3.
Soil Physico-chemical Properties of Organic Grapes Farms with Different Culture Facilities and Soil Management Practices, Korean Journal of Soil Science and Fertilizer, 2013, 46, 5, 399  crossref(new windwow)
4.
Effect of Soil Salinity Levels on Silage Barley Growth at Saemangeum Reclaimed Tidal Land, Korean Journal of Soil Science and Fertilizer, 2013, 46, 5, 365  crossref(new windwow)
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