지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.8
- 수록면
- 293 - 299 (7page)
이용수
초록· 키워드
오류제보하기
The chemical properties of paddy fields in Gangwon province were monitored every 4 years from 2003 to 2015 in order to provide basic information for soil fertility management of paddy fields. In 2015, the soil chemical properties of paddy fields were 5.9 in pH, 22 g kg<SUP>-1</SUP> in organic matter (OM), and 123 mg kg<SUP>-1</SUP> in available(Avail.) phosphate P₂O<SUB>5</SUB>. Exchangeable (Exch.) potassium (K), calcium (Ca) and magnesium (Mg) were 0.39, 4.8 and 0.9 cmolc kg<SUP>-1</SUP>, respectively, and Avail. SiO₂ was 170 mg kg<SUP>-1</SUP>. In the long-term analysis, the contents of Avail. SiO₂, Exch. K and pH of paddy soils showed increasing tendency. However, Avail. P2O5, Exch. Ca and Mg tended to decrease, and there were no significant changes in the contents of OM. Soil OM, Avail. P₂O<SUB>5</SUB> and SiO₂ were not different among the different topographical sampling sites. However, the mean value of Exch. K and Ca were different among the different topographical sampling sites, and exceeded optimal values in the fluvio-marine plains. Different soil texture resulted in different soil pH, while no difference for OM, Avail. P₂O<SUB>5 </SUB>and SiO₂. Paddy soil samples within appropriate pH range increased from 65% in 2003 to 77% in 2007, 68% in 2011, and 71% in 2015. In case of Avail. SiO₂, soil samples within appropriate range increased from 20% in 2003, to 37% in 2007, 29% in 2011, and 45% in 2015. Meanwhile, Cd and Pb were distributed to less than 5% of soil pollution standards. Cu, As and Zn were distributed to less than 10%, 15% and 20%, respectively. Therefore, paddy soil in Gangwon Province was judged to be safe. As a result, paddy fields with more or less in nutrient level need to be fertilized based on the soil analysis. And the application of silicate fertilizer is strongly recommended to those of paddy fields in need. In addition, soil management including the cultivation of green manure crop or application of rice straw is necessary to increase the organic matter content of paddy soil.
목차
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (20)
참고문헌 신청
[학술지(정기간행물)] - 안병구 / 2012 / 지형특성에 따른 전북지역 논토양 화학성 변화 / 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer) 45 (3) : 393 ~ 398
[학술지(정기간행물)] - Jeong, J.H. / 2001 / Effects of the successive application of organic matters on soil properties and rice yield / Korean J. Soil Sci. Fert 34 (2) : 129 ~ 133
[학술지(정기간행물)] - Jung, B.G. / 1998 / Monitoring on chemical properties of bench marked paddy soils in Korea / Korean J. Soil Sci. Fert 31 (3) : 246 ~ 252
[학술지(정기간행물)] - 강성수 / 2012 / 우리나라 논토양의 화학성 현황과 변동 / 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer) 45 (6) : 968 ~ 972
[학술지(정기간행물)] - 김창배 / 2002 / 규산질비료의 매년연용이 벼수량, 양분흡수 특성 및 토양화학성 변화에 관한 연구 / 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer) 35 (5) : 280 ~ 289
[학술지(정기간행물)] - Jeong, J.H. / 2001 / Effects of the successive application of organic matters on soil properties and rice yield / Korean J. Soil Sci. Fert 34 (2) : 129 ~ 133
[학술지(정기간행물)] - Jung, B.G. / 1998 / Monitoring on chemical properties of bench marked paddy soils in Korea / Korean J. Soil Sci. Fert 31 (3) : 246 ~ 252
[학술지(정기간행물)] - 강성수 / 2012 / 우리나라 논토양의 화학성 현황과 변동 / 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer) 45 (6) : 968 ~ 972
[학술지(정기간행물)] - 김창배 / 2002 / 규산질비료의 매년연용이 벼수량, 양분흡수 특성 및 토양화학성 변화에 관한 연구 / 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer) 35 (5) : 280 ~ 289
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UCI(KEPA) : I410-ECN-0101-2017-523-001137125