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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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The standard growth-stage-based fertigation schedule has provided the weekly supply amount of fertilizer considering the expecting yield with no regard of soil nutrient status. The study aimed to examine if fertigation with nitrogen applied at a standard rate results in the best cucumber yield in two greenhouses with different soil nutrient levels, i.e. optimal and high. We investigated the nitrogen (N) uptake pattern of cucumbers with the different nitrogen supply levels which included half the standard rate (N0.5), the standard rate (N1) and double the standard rate (N2). In year 2020, the N1 amendment resulted in highest yield in the soil with optimal nutrient level, however, lower N0.5 resulted in higher yield in the high-nutrient soil. In year 2021, there was no statistical difference in the yield by different nitrogen supply levels in both soils with optimal and high nutrient level. Soil NO3-N remained low in the low nutrient soil regardless of the amount of N supplied, but soil NO3-N was high in the high nutrient soil supplied with N2. The Partial Factor Productivity of Nitrogen (PFPN) was highest in the N0.5 and it decreased as N supply increased in the optimal and high nutrient soil. In conclusion, a precise fertigation schedule is needed to be set with the consideration of the soil nutrient status.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (35)
참고문헌 신청
Badr, M.A., A.S. Taalab, and E.W.A. Tohamy. 2011. Nitrogen application rate and fertigation frequency for drip irrigated potato. Aust. J. Basic Appl. Sci. 5:817-825.
Baek, S., E. Jeon, K.S. Park, K.H. Yeo, and J. Lee. 2018. Monitoring of water transportation in plant stem with microneedle sap flow sensor. J. Microelectromech. Syst. 27(3):440-447.
Chauhdary, J.N., A. Bakhsh, M. Arshad, and M. Maqsood. 2017. Effect of different irrigation and fertigation strategies on corn production under drip irrigation. Pak. J. Agric. Res. 54:855-863.
Ebrahimian, H. and E. Playan. 2014. Optimum management of furrow fertigation to maximize water and fertilizer application efficiency and uniformity. J. Agric. Sci. Technol. 16:591-607.
Ewais, M.A., A.A. Mahmoud, and A.A. Khalil. 2010. Effect of nitrogen fertigation in comparison with soil application on onion production in sandy soils. Alexandria J. Agric. Res. 55:75-83.
Baek, S., E. Jeon, K.S. Park, K.H. Yeo, and J. Lee. 2018. Monitoring of water transportation in plant stem with microneedle sap flow sensor. J. Microelectromech. Syst. 27(3):440-447.
Chauhdary, J.N., A. Bakhsh, M. Arshad, and M. Maqsood. 2017. Effect of different irrigation and fertigation strategies on corn production under drip irrigation. Pak. J. Agric. Res. 54:855-863.
Ebrahimian, H. and E. Playan. 2014. Optimum management of furrow fertigation to maximize water and fertilizer application efficiency and uniformity. J. Agric. Sci. Technol. 16:591-607.
Ewais, M.A., A.A. Mahmoud, and A.A. Khalil. 2010. Effect of nitrogen fertigation in comparison with soil application on onion production in sandy soils. Alexandria J. Agric. Res. 55:75-83.
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