Alaey M., Babalar M., Naderi R., Kafi M. (2011): Effect of pre- and postharvest salicylic acid treatment on physio-chemical attributes in relation to vase-life of rose cut flowers. Postharvest Biology and Technology, 61, 91-94  https://doi.org/10.1016/j.postharvbio.2011.02.002Al-Ajmi A., Al-Karaki G., Othman Y. (2009): EFFECT OF DIFFERENT SUBSTRATES ON FRUIT YIELD AND QUALITY OF CHERRY TOMATO GROWN IN A CLOSED SOILLESS SYSTEM. Acta Horticulturae, , 491-494  https://doi.org/10.17660/ActaHortic.2009.807.71 Almjadleh M., Sameer A., Ibrahim R. (2014): Use of natural and modified jordanian zeolitic tuff for removal of cadmium (II) from aqueous solutions. Jordan Journal of Civil Engineering, 8: 322–343.Barnes J., Whipker B.E., McCall I., Frantz J. (2011): CHARACTERIZATION OF NUTRIENT DISORDERS OF LILIUM LONGIFLORUM 'NELLIE WHITE' AND LILIUM HYBRID 'BRUNELLO'. Acta Horticulturae, , 205-211  https://doi.org/10.17660/ActaHortic.2011.900.24 Barrera-Aguilar E., Valdez-Aguilar L., Castillo-González A., Cartmill A., Cartmill D., Avitia-García E., Ibarra-Jímenez L. (2013): Potassium nutrition in Lilium: Critical concentrations, photosynthesis, water potential, leaf anatomy, and nutrient status. HortScience, 48: 1537–1542. Bernstein N., Loffe M., Bruner M., Nishri Y., G. Luria, Dori I., Matan E., Philosoph-Hadas S., Umiel N., Hagiladi A. (2005): Effect of supplied nitrogen form and quantity on growth and postharvest quality of Ranunculus asiaticus flowers. HortScience, 40: 1879–1886. Burchi G., Nesi B., Grassoti A., Mensuali-Sodi A., Ferrante A. (2005): LONGEVITY AND ETHYLENE PRODUCTION DURING DEVELOPMENT STAGES OF TWO CULTIVARS OF LILIUM FLOWERS AGEING ON PLANT OR IN VASE. Acta Horticulturae, , 813-822  https://doi.org/10.17660/ActaHortic.2005.682.106Burchi G., Prisa D., Ballarin A., Grassotti A. (2011): EFFECT OF LEAF TREATMENTS ON FLOWER QUALITY AND SHELF LIFE IN ASIATIC LILY. Acta Horticulturae, , 19-24  https://doi.org/10.17660/ActaHortic.2011.906.1Burchi G., Prisa D., Ballarin A., Menesatti P. (2010): Improvement of flower color by means of leaf treatments in lily. Scientia Horticulturae, 125, 456-460  https://doi.org/10.1016/j.scienta.2010.04.028 Chang Y., Miller W. (2003): Growth and calcium partitioning in Lilium ‘Star Gazer’ in relation to leaf calcium deficiency. Journal American Society of Horticulture Sciences, 128: 788–796. Dole J., Wilkins H. (2005): Floriculture Principles and Species. 4th Ed. Pearson Prentice Hall, Upper Saddle River, N.J.: 656–670. Goto T., Kawajiri K., Kageyama Y., Konishi K. (2005). Flowering of Zantedeschia rehmannii Engl. as affected by combination of tuber storage temperature and duration. Acta Horticulturae (ISHS), 673: 273–277. Hanks G. (2015): A review of production statistics for the cut-flower and foliage sector 2015. Available at http://horticulture.ahdb.org.uk/sites/default/files/u3089/A%20review%20of%20cut-flower%20and%20foliage%20production%20statistics%202015_0.pdf Hashemabadi D., Torkashvand A., Kaviani B., Bagherzadeh M., Rezaalipour M., Zarchini M. (2015): Effect of Menthapulegium extract and 8-hydroxy quinolinesulphate to extend the quality and vase life of rose (Rosa hybrid) cut flower. Journal of Environmental Biology, 36: 215–220. Leskovar D., Othman Y. (2016): Low nitrogen fertigation promotes root development and transplant quality in globe artichoke. HortScience, 51: 567–572. Linkohr Birgit I., Williamson Lisa C., Fitter Alastair H., Leyser H.M. Ottoline (2002): Nitrate and phosphate availability and distribution have different effects on root system architecture of Arabidopsis. The Plant Journal, 29, 751-760  https://doi.org/10.1046/j.1365-313X.2002.01251.xMarin Magda, Valdez-Aguilar Luis A., Castillo-Gonzalez Ana Maria, Pineda-Pineda Joel, Galván Luna Juan J. (2010): MODELING GROWTH AND ION CONCENTRATION OF LILIUM IN RESPONSE TO NITROGEN:POTASSIUM:CALCIUM MIXTURE SOLUTIONS. Journal of Plant Nutrition, 34, 12-26  https://doi.org/10.1080/01904167.2011.531355 Marschner H. (2011): Marschner’s Mineral Nutrition of Higher Plants. Academic Press. 3rd Ed.: 135–170. McKenzie K. (1989): Potted lilies made easy: The new, naturally short Asiatic lily varieties. GrowerTalks, 52: 48–58. Nawasreh M., Yasin S., Zurquiah N. (2006): Zeolitic tuff. Geological Survey Administration, Natural Resources Authority, Jordan. Availabe at http://www.nra.gov.jo/index.php?option=com_content&task=view&id=5&Itemid=39 Ortega-Blu R., Correa-Benguria M., Olate-Muñoz E. (2006): Determination of nutrient accumulation curves in three cultivars of Lilium spp. for cut flower. Agrociencia, 40: 77–88. Polat E., Karaca M., Demir H., Naci-Onus A. (2004): Use of natural zeolite (clinoptilolite) in agriculture. Journal Fruit and Ornamental Plant Resarech, 12: 183–189. Raviv M., Wallach R., Silber A., Bar-Tal A. (2002): Substrates and their analysis. In: Savvas D., Passam H. : Hydroponic Production of Vegetables and Ornamentals. Athens, Embryo Publ: 25–101.Scagel C. F., Schreiner R. P. (2006): Phosphorus Supply Alters Tuber Composition, Flower Production, and Mycorrhizal Responsiveness of Container-grown Hybrid Zantedeschia. Plant and Soil, 283, 323-337  https://doi.org/10.1007/s11104-006-0022-3 Scagel C., Bi G., Bryla D., Fuchigami L., Regan R. (2014): Irrigation frequency during container production alters Rhododendron growth, nutrient uptake, and flowering after transplanting into a landscape. HortScience, 49: 955–960. Smil Vaclav (1999): Nitrogen in crop production: An account of global flows. Global Biogeochemical Cycles, 13, 647-662  https://doi.org/10.1029/1999GB900015Treder J. (2005): GROWTH AND QUALITY OF ORIENTAL LILIES AT DIFFERENT FERTILIZATION LEVELS. Acta Horticulturae, , 297-302  https://doi.org/10.17660/ActaHortic.2005.673.37Veatch-Blohm Maren E., Malinowski Madlen, Keefer Donald (2012): Leaf water status, osmotic adjustment and carbon assimilation in colored calla lilies in response to saline irrigation. Scientia Horticulturae, 144, 65-73  https://doi.org/10.1016/j.scienta.2012.06.036 Woodson W. (1991): Gene expression and flower senescence. In: Genetics and Breeding of Ornamentals Species. Kluwer Academic Publishers: 317–381.Zhang H., Jennings A., Barlow P. W., Forde B. G. (1999): Dual pathways for regulation of root branching by nitrate. Proceedings of the National Academy of Sciences, 96, 6529-6534  https://doi.org/10.1073/pnas.96.11.6529