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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

자료유형
학술저널
저자정보
Hyeon-Suk Cho (National Institute of Crop Sciences) Myung-Chul Seo (National Institute of Crop Sciences) Jun-Hwan Kim (National Institute of Crop Sciences) Wan-gyu Sang (National Institute of Crop Sciences) Pyeong Shin (National Institute of Crop Sciences) Jaekyeong Baek (National Institute of Crop Sciences)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제51권 제4호
발행연도
2018.11
수록면
586 - 595 (10page)

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Organic matter is a substance that contains carbon. When applied to soil, it can improve the physical and chemical properties of soil and supply nutrients to plants. Also, it is decomposed in soil due to microbe activity, or absorbed and utilized by crops. The remaining differential to materials is accumulated in the soil and increases the level of organic matter in soil. Given that the humidity and temperature are appropriate, and there are energy sources favorable for microbe activity, the decomposition rate is higher, thus resulting in the increase of the nutrient availability of crops. Therefore, we analyzed the types of carbon content according to time while cultivating beans in soil with 4 different kinds of organic matter applied. Total carbon content (TC) was higher in organic matter application than in control (non- organic matter). Among the other organic matters, it was especially high in livestock manure compost (LMC) application with 11.1 g kg<SUP>-1</SUP>. Hairy vetch (HV, 8.9 g kg<SUP>-1</SUP>), oil cake (OC, 8.9 g kg<SUP>-1</SUP>), and rice straw (RS, 8.2 g kg<SUP>-1</SUP>) did similar. According to soil carbon form, Humin carbon(HnC) had the highest total carbon contrast of 62.0 %, Humic acid carbon(HaC) had 19.6%, and Fulvic acid carbon(FaC) had 18.1%. This pattern was the same in both control and organic matter application. Every type of carbon was the highest in LMC application. TC levels were temporarily high in June, which was after organic matter application, and decreased. It was higher than any other organic matter application in LMC. HaC increased in May and June which was when the organic matter was applied, slightly decreased in July, and were the highest in LMC with TC. FaC slowly increased after organic matter application until March and slowly decreased afterwards. It was highest in LMC, and similar in HV, OC, and RC, which shows that it had the smallest difference of content between kinds of organic matter. HnC inclined to decrease slowly as time passed after organic matter application, but rapidly increased in July and June. Also, it was the highest in LMC, and similar in HV, OC, and RC. Therefore, it was concluded that LMC, which had a high level of humin carbon that is difficult to decompose, was the best for accumulating carbon in soil.
#Carbon content #Upland soil #Organic matter #Carbon type

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ABSTRACT
Introduction
Materials and Methods
Results and Discussion
References

참고문헌 (18)

참고문헌 신청
Ali, M.A., M.A. Sattar, M.N. Islam, and K. Inubushi. 2014. Integrated effects of organic inorganic and biological amendments on methane emission, soil quality and rice productivity in irrigated paddy ecosystem of Bangladesh: field study of two consecutive rice growing seasons. Plant Soil. 378:239-252. Awad, Y.M., E. Blagodatskaya, Y.S. Ok, and Y. Kuzyakov. 2012. Effects of polyacrylamide, biopolymer, and biochar on decomposition of soil organic matter and plant residues as determined by 14C and enzyme activities. Eur. J. Soil Bio. 48:1-10. Cho, H.S., M.C. Seo, T.S. Park, and H.W. Kang. 2015. Effects of tillage depths on methane emission and rice yield in paddy soil during rice cultivation. J. Crop Sci. 60:167-173. Choi, B.S., J.A. Jung, M.K. Oh, S.H. Jeon, H.G. Goh, Y.S. Ok, and J.K. Sung. 2010. Effects of green manure crops on improvement of chemical and biological properties in soil. Korean J. Soil Sci. Fert. 43(5):650-658. Christl, I., H. Knicker, I. Kogel Knabner, and R. Kretzschmar. 2000. Chemical heterogeneity of humic substances: characterization of size fractions obtained by hollow-fibre ultrafiltration. Eur. J. Soil Sci. 51: 617-625.

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