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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.11
- 수록면
- 413 - 423 (11page)
이용수
초록· 키워드
오류제보하기
In this study, we developed an equation to determine nitrogen fertilizer rates for ‘Shiranuhi’ mandarin [(Citrus unshiu × C. sinensis) × C. reticulata] growing soils in plastic film houses to prevent salt accumulation and maintain optimum nutrient levels. We analyzed the amount of applied fertilizers, soil chemical properties, and yields from 45 farms that vary in salt concentrations on Jeju Island, Korea. The results revealed that the average soil chemical property values, such as electrical conductivity (EC), available P₂O<SUB>5</SUB>, and exchangeable cations (K<SUP>+</SUP>, Ca<SUP>2+</SUP>, and Mg<SUP>2+</SUP>), were higher than the acceptable range, except for pH and organic matter. The results showed that higher amounts of nitrogen and phosphorus were applied through fertilizer application rates (N 327 kg ha<SUP>-1</SUP>, P₂O<SUB>5</SUB> 294 kg ha<SUP>-1</SUP>, and K₂O 236 kg ha<SUP>-1</SUP>) than the standard amount and rate of fertilizer for the cultivation of ‘Shiranuhi’ mandarin. The EC values and NO₃-N concentration in the soils had a close correlation (r = 0.96, p < 0.001). The yields did not differ with the amounts of the applied fertilizers while there was a significant negative correlation with EC values (r = -0.455, p < 0.01) and the concentration of NO₃-N (r = -0.476, p < 0.01) in the soils. Our results demonstrated that the NO₃-N concentration in the soil of plastic film houses has a substantial effect on the soil EC value. Soil EC levels may determine the recommended nitrogen fertilizer rates depending on each tree’s age.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (24)
참고문헌 신청
Bae, J.H. 2021. The definitions of quartiles and the functions in statistics software. Chungnam J. Sci. 38(1):27-30.
Cho, J.M., S.U. Jo, D.H. Kim, J.S. Yang, and K.T. Baek. 2011. Electrokinetic restoration of saline soil accumulated with nitrate and sulfate. J. Soil Groundwater Environ. 16:18-23.
Hong, S.D. 1998. Fertilizer recommendation based on soil testing for tomato in plastic film house. Korean J. Soil Sci. Fert. 31(4):350-358.
Hong, S.D., B.G. Kang, and J.J. Kim. 1998. Optimum fertilization based on soil testing for chinese cabbage cultivation in plastic film house. J. Korean Soc. Soil Sci. Fert. 31(1):16-24.
JSSGP. 2022. Agriculture and food products. p. 96, 99. Jeju Special Self-Governing Province, Seogwipo, Korea.
Cho, J.M., S.U. Jo, D.H. Kim, J.S. Yang, and K.T. Baek. 2011. Electrokinetic restoration of saline soil accumulated with nitrate and sulfate. J. Soil Groundwater Environ. 16:18-23.
Hong, S.D. 1998. Fertilizer recommendation based on soil testing for tomato in plastic film house. Korean J. Soil Sci. Fert. 31(4):350-358.
Hong, S.D., B.G. Kang, and J.J. Kim. 1998. Optimum fertilization based on soil testing for chinese cabbage cultivation in plastic film house. J. Korean Soc. Soil Sci. Fert. 31(1):16-24.
JSSGP. 2022. Agriculture and food products. p. 96, 99. Jeju Special Self-Governing Province, Seogwipo, Korea.
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