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논문 기본 정보

자료유형
학술저널
저자정보
Ye-Jin Lee (National Institute of Agricultural Science) Jwa-Kyung Sung (National Institute of Agricultural Science) Seul-Bi Lee (National Institute of Agricultural Science) Jung-Eun Lim (National Institute of Agricultural Science) Yo-Sung Song (National Institute of Agricultural Science) Deog-Bae Lee (National Institute of Agricultural Science)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제49권 제6호
발행연도
2016.12
수록면
677 - 681 (5page)

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초록· 키워드

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Excessive nitrogen fertilization influences crop yields and quality as well as environmental pollution. In this study, yields, nitrogen use efficiency and free sugar contents of burdock (Arctium lappa L.) were evaluated at different levels of nitrogen fertilization. Nitrogen fertilizer was applied at 5 levels (0, 50, 100, 150, 200%) based on the conventional fertilization (N = 230 kg ha<SUP>-1</SUP>), and phosphate and potassium fertilizer were treated by conventional P and K fertilization (P₂O<SUB>5</SUB> - K₂O = 140 - 210 kg ha<SUP>-1</SUP>) in all plots. The root yields of burdock were the highest in N 100~150% treatment plots. Nitrogen use efficiency and nitrogen recovery decreased from over N 150% treatment. Nitrogen uptake of root was greater than that of shoot in N 50~200% treatments. Fructose contents in root were inversely proportional to the level of nitrogen fertilization. As considering nitrogen recovery and root quality, economical burdock yield was obtained in N 230 kg ha<SUP>-1</SUP>.

목차

Introduction
Materials and Methods
Results and Discussion
Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2017-523-001984464