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
- 2019.8
- 수록면
- 263 - 270 (8page)
이용수
초록· 키워드
오류제보하기
Growth and yield components of sweet potato (Ipomoea batatas L.) were investigated under 0, 25, 50, 75, and 100% application rates of soil test based fertilizer recommendation with 5.5 kg 10a-1 N, 10.1 kg 10a<SUP>-1 </SUP>P₂O<SUB>5</SUB>, and 19.8 kg 10a<SUP>-1</SUP> K₂O under polyethylene mulch. Soil chemical properties showed no significantly increased by increasing application rates of fertilizer recommendation. The 75% and 100% treatments increased total fatty acid methyl ester (FAME), bacterial FAME, Gram-negative and –positive bacterial FAME, and fungal FAME. The soil of 75% treatment had a significantly lower community of Gram-positive bacteria compared with 0%, 25%, and 50% treatments. The marketable root number was significantly higher in fertilizer 25% and 75% treatments, whereas marketable root weight was significantly higher in fertilizer 50% treatment. The highest increase in productivity of sweet potato is reached with 75% fertilization (3,305 kg 10a<SUP>-1</SUP>) of fertilizer recommendation and optimum fertilizer rates based on regression yield curve was 80% fertilization of fertilizer recommendation. These results indicate that new soil test based fertilizer recommendation was more effect on the productivity of sweet potato as well as soil nutrient conservation under polyethylene mulch system.
목차
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (36)
참고문헌 신청
Agbede, T.M. 2010. Tillage and fertilizer effects on some soil properties, leaf nutrient concentrations, growth and sweet potato yield on an Alfisol in southwestern Nigeria. Soil Till. Res. 110:25-32.
Ahn, B.K., D.Y. Ko, H.J. Kim, M.S. Ahn, J.H. Lee, and Y.J. Lee. 2018. Impacts of different amounts of N, P, and K fertilizer applications on growth of Cirsium japonicum var. ussuriense related to soil properties. Korean J. Soil Sci. Fert. 51:211-221.
Bourke, R.M. 1985. Influence of nitrogen and potassium fertilizer on growth of sweet potato (Ipomoea batatas) in Papua New Guinea. Field Crop Res. 12:363-375.
Chen, X., M. Kou, Z. Tang, A. Zhang, H. Li, and M. Wei. 2017. Responses of root physiological characteristics and yield of sweet potato to humic acid urea fertilizer. PLoS ONE 12(12):e0189715. https://doi.org/10.1371/journal. pone.0189715.
Costa, C.C., A.B. Cecilio Filho, R.L. Cavarianni, and J.C. Barbosa. 2004. Net melon yield as affected by potassium concentration in nutrient solution and number of fruits per plant. Hortic. Bras. 22:23-27.
Ahn, B.K., D.Y. Ko, H.J. Kim, M.S. Ahn, J.H. Lee, and Y.J. Lee. 2018. Impacts of different amounts of N, P, and K fertilizer applications on growth of Cirsium japonicum var. ussuriense related to soil properties. Korean J. Soil Sci. Fert. 51:211-221.
Bourke, R.M. 1985. Influence of nitrogen and potassium fertilizer on growth of sweet potato (Ipomoea batatas) in Papua New Guinea. Field Crop Res. 12:363-375.
Chen, X., M. Kou, Z. Tang, A. Zhang, H. Li, and M. Wei. 2017. Responses of root physiological characteristics and yield of sweet potato to humic acid urea fertilizer. PLoS ONE 12(12):e0189715. https://doi.org/10.1371/journal. pone.0189715.
Costa, C.C., A.B. Cecilio Filho, R.L. Cavarianni, and J.C. Barbosa. 2004. Net melon yield as affected by potassium concentration in nutrient solution and number of fruits per plant. Hortic. Bras. 22:23-27.
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