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Impact of Compost Application on Improvement of Rice Productivity and Quality in Reclaimed Soil
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 Title & Authors
Impact of Compost Application on Improvement of Rice Productivity and Quality in Reclaimed Soil
Moon, Young-Hun; Kwon, Young-Rip; Ahn, Byung-Koo; Kim, Dae-Hyang; Han, Seong-Soo;
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 Abstract
This study was conducted to reduce the dependability of farmers on chemical fertilizers for rice cultivation. Soil chemical and biological properties were monitored before experiment and at the time of harvesting. The results showed that EC, available , and exchangeable were decreased at the time of harvesting while pH, OM, and exchangeable and were remain unchanged, compared with soil before experiment. Population of aerobic bacteria, Bacillus sp., and fungi were also increased at the time of harvesting in the paddy field, compared with before fertilization, in the treatment of 50% soil-testing fertilizer+ 50% compost. Concentrations of N, P, and K in rice leaves increased with the fertilizers application, maximum increase was recorded in 50% soil-testing fertilizer+ 50% compost. Non-significant difference was observed in the morphological parameters of rice among the treatments. The chlorophyll contents of rice leaf increased in a similar fashion up to 60 days, thereafter, sharp decrease was observed in all the treatments. Maximum yield (per 10a) was recorded in the field treated with 50% soil-testing fertilizer+ 50% compost followed by standard applied fertilizer, 70% soil-testing fertilizer+ 30% compost, soil-testing fertilizer and unfertilized plot. Amylose content showed non-significant difference within the treatments. Protein content increased with the use of fertilizers and best protein content was recorded in the treatment of 50% soil-testing fertilizer+ 50% compost. It was concluded that the amount of the chemical fertilizer used was directly proportional to the protein content of rice grain. However, the palatability of rice grown in unfertilized field was better than the treatments but minimum yield was obtained. Hence, the treatment of 50% soil-testing fertilizer+ 50% compost, was the best among the fertilizer combinations for rice cultivation as supported by the yield, protein and palatability index.
 Keywords
Reclaimed soil;Compost;Soil testing;Rice;Amylose;
 Language
Korean
 Cited by
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Salt Removal in a Reclaimed Tidal Land Soil with Gypsum, Compost, and Phosphate Amendment,;;;

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Salt Removal in a Reclaimed Tidal Land Soil with Gypsum, Compost, and Phosphate Amendment, Korean Journal of Soil Science and Fertilizer, 2015, 48, 5, 326  crossref(new windwow)
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Effects of Compost and Gypsum on Soil Water Movement and Retention of a Reclaimed Tidal Land, Korean Journal of Soil Science and Fertilizer, 2014, 47, 5, 340  crossref(new windwow)
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