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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.6
- 수록면
- 205 - 212 (8page)
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초록· 키워드
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Farmers with forage barley (Hordeum vulgare L.)-rice (Oryza sativa L.) cropping system at reclaimed tidal lands burn crop residues to facilitate seedbed preparation or remove them for feed stock. This study was conducted to investigate the effect of rice straw amendment and N fertilization on soil properties and N uptake of rice under forage barely?rice cropping system at reclaimed tidal paddy field. Rice straw was applied at the rates of 0, 2.5 and 5.0 ton ha<SUP>-1</SUP> and N was fertilized at 0, 100, 200 and 400 kg ha<SUP>-1</SUP>. Although there was no significant difference in the growth and yield of rice, fresh and dry weight of forage barely increased with increasing the amount of rice straw. The amount of N uptake of rice at harvesting stage was 65.8-69.2 kg ha<SUP>-1</SUP> by the amount of rice straw amendment, but there were no significant differences among rice straw amendment levels. After harvesting the rice, the soil salinity decreased with rice straw amendment compared to the control. After forage barely and rice cultivation, soil organic matter contents increased to 2.6-2.8 g kg <SUP>-1</SUP> and 3.2-3.5 g kg<SUP>-1</SUP>, respectively. The amount of N uptake of rice at harvesting stage increased up to 82 kg ha<SUP>-1</SUP> in 400 kg ha<SUP>-1 </SUP>N applied plots which were 37.8 kg ha<SUP>-1</SUP> higher than the control. Nitrogen fertilization decreased N recovery efficiency. The highest yield of rice was observed at 244 kg ha<SUP>-1</SUP> N fertilization level, but the optimum N level was estimated at 168 kg ha<SUP>-1</SUP> in order to keep the protein content of rice under 6.5%. Further researches on N uptake and application of organic matter according to soil salinity will be necessary to increase N use efficiency at reclaimed tidal paddy field.
목차
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (27)
참고문헌 신청
[학술지(정기간행물)] - 최원영 / 2004 / 미질향상을 위한 간척지 토양 염농도별 적정 질소비시량 / 한국작물학회지 49 (3) : 194 ~ 198
[학술지(정기간행물)] - Heu, M. H. / 1969 / Variability of protein content in rice grown at several different environments / Korean J. Crop Sci 7 : 79 ~ 84
[학술지(정기간행물)] - Huh, B.L / 1981 / Effect of rice straw application on the tillering of paddy rice / Korean J. Soil Sci. Fert 14 : 146 ~ 156
[학술지(정기간행물)] - Jang, B. C. / 2003 / Effect of silica application on rice yield and quality in lowland paddy field / Korean J. Crop Sci 48 : 138 ~ 139
[단행본] - Jenkins D. S. / 1988 / Russell’s Soil Conditions and Plant Growth / Longman, New York : 564 ~ 607
[학술지(정기간행물)] - Heu, M. H. / 1969 / Variability of protein content in rice grown at several different environments / Korean J. Crop Sci 7 : 79 ~ 84
[학술지(정기간행물)] - Huh, B.L / 1981 / Effect of rice straw application on the tillering of paddy rice / Korean J. Soil Sci. Fert 14 : 146 ~ 156
[학술지(정기간행물)] - Jang, B. C. / 2003 / Effect of silica application on rice yield and quality in lowland paddy field / Korean J. Crop Sci 48 : 138 ~ 139
[단행본] - Jenkins D. S. / 1988 / Russell’s Soil Conditions and Plant Growth / Longman, New York : 564 ~ 607
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UCI(KEPA) : I410-ECN-0101-2016-521-001633504