1. Amin, N., Sajid, M., Sajid, M., Qayyum, M.M., Shah, S.T. and Fazl-i-Wahid, R.S.H., 2015. Response of gerbera (Gerbera jamesonii) to different levels of phosphorus and potassium. International Journal of Biosciences, 7(4), pp.1-11.
2. Bellubbi, S.B., Kulkarni, B.S. and Patil, C.P., 2015. Effect of integrated nutrient management on growth and flowering of gerbera (Gerbera jamesonii L.) under naturally ventilated polyhouse condition. International Journal of Agricultural Sciences and Veterinary Medicine, 1(1): 69-74.
3. Bres, W., Kozlowska, A. and Walczak, T., 2013. Effect of nutrient solution concentration on yield and quality of gerbera grown in perlite. Journal of Elementology, 18(4): 577-588.
4. CH, S.R.S. and Prabhakar, N., 2018. Effect of nutrient deficiencies on growth of gerbera through solution culture. International Journal of Agricultural Science and Research, 7(3): 247-252.
5. Chandra, S., Bandopadhyay, R., Kumar, R., and Chandra, R. (2010). Acclimatization of tissue cultured plantlets: from laboratory to land. Biotechnol Lett, 32:1199–1205.
6. Darwesh, R, S, S. (2015). Morphology, physiology and anatomy in vitro affected acclimatization ex vitro date palm plantlets: A Review. International Journal of Chemical, Environmental & Biological Sciences, 3(2): 183- 190.
7. FAOSTAT: Fertilizers by Product. https://knoema.com/FAORFBFP/faostat-fertilizers-by-product. Published by source: 28 March 2019.
8. floranceflora.com/wp-content/themes/codewave/GerberaGrowingManual.pdf.
9. Forde, B.G. and Clarkson, D.T., 1999. Nitrate and ammonium nutrition of plants: physiological and molecular perspectives. In Advances in botanical research, 30: 1-90. Academic Press.
10. Hahn, E.J., Jeon, M.W., and Paek, K.Y. 1999, August. Culture method and growing medium affect growth and flower quality of several Gerbera cultivars. In International Symposium on Growing Media and Hydroponics 548 (385-392).
11. Kacperska, I., 1985. Effect of quantity of NPK fertilizer doses on the yield of gerbera cv. Peter. Experimental Work of the Institute of Pomology and Floriculture. Ser. B-Ornamental Plants.
12. Karimi Afshar, A., Delshad, M., and Bablar, M. 2009. Study on the possibility of substituting nutrient solution with variable EC instead of nutrient solution with fixed EC in tomato aquaculture. Journal of Iranian Horticultural Science, 40 (2): 37-44 (In Persian).
13. Kavanova, M., Lattanzi, F.A., Grimoldi, A.A. and Schnyder, H., 2006. Phosphorus deficiency decreases cell division and elongation in grass leaves. Plant Physiology, 141(2): 766-775.
14. Khalaj, M., Kiani, Sh., Khosh Goftar Manesh, A., and Amoo Aghaei A., R. 2016. The effect of different commercial nutrient solutions on yield and quality of two gerbera (Gerbera jamesonii L.) cut flower cultivars grown in soilless culture system. Journal of Greenhouse Crop Science and Technology, 7 (4): 135-147 (In Persian).
15. Khalaj, M.A., M. Amiri and S.S. Sindhu. 2011. Response of different growing media on the growth and yield of gerbera (Gerbera jamesonii L.) in hydroponic open system. Indian journal of horticulture, 68(4): 583-586.
16. Kumar, S. and Kanwar, J.K. 2006. Regeneration ability of petiole, leaf and petal explants in gerbera cut flower cultures in vitro. Folia Horticulturae, 18: 57-64.
17. Ludwig, F., Fernandes, D.M., Mota, P.R. and Boas, R.L.V., 2013. Electrical conductivity and pH of the substrate solution in gerbera cultivars under fertigation. Horticultura Brasileira, 31(3): 356-360.
18. Ludwig, F., Fernandes, D.M., Mota, P.R. and Villas Boas, R.L., 2008. Macronutrientes em cultivares de gerbera sob dois niveis de fertirrigacao. Horticultura Brasileira, 68-73.
19. Maloupa E. and D. Gerasopoulus. 1999. Quality production of four cut gerberas in a hydroponic system of four substrates. Acta Horticulturae, 486: 433-438.
20. Marschner, H. 1995. Mineral nutrition of higher plants. Second Edition, Academic Press Inc. San Diego, CA 92101.
21. Mollassini, H., Banayi, A., Abdul Baghi, M., and Seil Seper, M. 2007. Optimal usage of macro elements in hydroponic culture of gerbera. The first technical workshop to improve water use efficiency by cultivating greenhouse crops. Karaj, October 18, 2007 (In Persian).
22. Morgan, L. 2006. Hydroponic strawberry production. Publisher: Suntec Ltd, 118 p.
23. Mota, P.R.D.A., Fernandes, D.M. and Ludwig, F., 2016. Development and mineral nutrition of gerbera plants as a function of electrical conductivity. Ornamental Horticulture, 22(1): 37-42.
24. Nascimento, J.G. 2018. Malhas coloridas de sombreamento e solucoes nutritivas de fertirrigacao na cultura da gerbera (Gerbera jamesonii) em ambiente protegido (Doctoral dissertation, Universidade de Sao Paulo).
25. Palanisami, l. Kannan, D., Rishu, S., Bhatt, S.S. and Abhay, S., 2015. Fertigation studies on Gerbera (Gerbera jamesonii Bolus ex Hooker F.) for growth and yield under cover in southern hills (Shevaroy). International Journal of Tropical Agriculture, 33(1): 31-36.
26. Paradikovic, N., Mustapic-Karlic, J., Teklic, T., Cesar, V., Vinkovic, T., Lisjak, M., Spoljarević, M. and Iljkic, D., 2008. The Role of Light Regime and Substrate in Photosynthetic Pigments, free Proline content and Flower Quality of Gerbera jamesonii L. Poljoprivreda (Osijek), 14(2),17-22.
27. Resh, H.M. 1991. Hydroponic food production: A Definitive Guidebook of Soilless Food Growing Methods, 3rd ed. Woodbridge Press Publishing Co., ISBN 0-88007-171-0, California, 462 pages.
28. Savvas D., V. Karagianni, A. Kotsiras, V. Demopoulos, I. Karkamisi, and P. Pakou. 2003. Interactions between ammonium and pH of the nutrient solution supplied to gerbera (Gerbera jamesonii) grown in pumice. Plant and Soil. 254: 393-402.
29. Savvas, D. and Gizas, G., 2002. Response of hydroponically grown gerbera to nutrient solution recycling and different nutrient cation ratios. Scientia Horticulturae, 96(1): 267-280.
30. Schwarz, D., van Iersel, M.W., Ingram, K.T. and KlAring, H.P., 2001. Nutrient solution concentration effects on growth and photosynthesis of tomato grown hydroponically. In Plant nutrition (pp. 432-433). Springer, Dordrecht.
31. Sirin, U. 2011. Effects of different nutrient solution formulations on yield and cut flower quality of gerbera (Gerbera jamesonii L.) grown in soilless culture system. African Journal of Agricultural Research 6(21): 4910-4919.
32. Sonneveld, C., Baas, R., Nijssen, H.M.C. and De Hoog, J., 1999. Salt tolerance of flower crops grown in soilless culture. Journal of Plant Nutrition, 22(6): 1033-1048.
33. Van Eerd, L. L. and Zanddstra, J. W. 2007. Enhancing sugar beet storage quality. University of Guelph Ridgetown Campus. Agriculture and Agri -Food Canada.
34. Vidal, I., L. Longeri, and J. M. Hetier. 1999. Nitrogen uptake and chlorophyll meter measurements in spring wheat, Nutr. Cycl. Agroecosyst. 55: 1–6.
35. Zgallai, H., K. Steppe, and R. Lemeur. 2006. Effects of different levels of water stress on leaf water potential, stomatal resistance, protein and chlorophyll content and certain anti oxidative enzymes in Tomato plants. Journal of Integrative Plant Biology, 48(6): 679-685.
36. Zheng, Y., Graham, T., Richard, S. and Dixon, M., 2004. Potted gerbera production in a subirrigation system using low-concentration nutrient solutions. Hort Science, 39(6), 1283-1286.