PERTANIKA JOURNAL OF TROPICAL AGRICULTURAL SCIENCE

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• Gillespie, D. P., Kubota, C., & Miller, S. A. (2020). Effects of low pH of hydroponic nutrient solution on plant growth, nutrient uptake, and root rot disease incidence of basil (Ocimum basilicum L.). HortScience, 55(8), 1251–1258. https://doi.org/10.21273/hortsci14986-20

• Gillespie, D. P., Papio, G., & Kubota, C. (2021). High nutrient concentrations of hydroponic can improve growth and nutrient uptake of spinach (Spinacia oleracea L.) grown in acidic nutrient solution. HortScience, 56(6), 687-694. https://doi.org/10.21273/HORTSCI15777-21

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• Savvas, D., & Gruda, N. (2018). Application of soilless culture technologies in the modern greenhouse industry – A review. European Journal of Horticultural Science, 83(5), 280-293. https://doi.org/10.17660/eJHS.2018/83.5.2

• Singh, H., & Bruce, D. (2016). Electrical conductivity and pH guides for hydroponics. Oklahoma Cooperative Extension Service. https://extension.okstate.edu/fact-sheets/print-publications/hla/electrical-conductivity-and-ph-guide-for-hydroponics-hla-6722.pdf

• Singh, H., Dunn, B. L., Payton, M., & Brandenberger, L. (2019). Selection of fertilizer and cultivar of sweet pepper and eggplant for hydroponic production. Agronomy, 9(8), 433. https://doi.org/10.3390/agronomy9080433

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