1. Arefi, A., M. Kafi, H. Khazaei, and M. Banayan Aval. 2012. Effect of nitrogen, phosphorous and potassium fertilizer levels on yield, photosynthetic rate photosynthetic pigments, chlorophyll content, and nitrogen concentration of plant components of Allium altissimum Regel. J. Agroecol. 4(3): 207-214. doi: 10.22067/jag.v4i3.15309 (In Persian).

2. Brewster, J.L. 1994. Onion and Other Vegetable Alliums. CAB Int. UK. 334 p.

3. Butt, S.J. 2005. Effect of N, P, K on some flower quality and corm yield characteristics of gladiolus. J. Tekirdag Agr. Fac. 2: 31-42.

4. Cao, W. and, T.W. Tibbitts. 1991. Physiological responses in potato plant under continuous irradiation. J. Am. Soc. Hort. Sci. 116: 3. 525-527. [DOI:10.21273/JASHS.116.3.525]

5. Cheal, W.F. and G.W Winsor. 1986. The effects of nitrogen, phosphorus, potassium and magnesium on the growth of tulips during the second season of treatment and on the chemical composition of the bulbs. Ann. Appl. Biol. 57(2): 287-299. [DOI:10.1111/j.1744-7348.1966.tb03823.x]

6. Choi, J.M. and H.G. Kim. 2006. Effect of N, P, K and Ca nutrition on strawberry anthracnose. Plant Pathol. 55: 246-249. [DOI:10.1111/j.1365-3059.2006.01322.x]

7. El-Bassiony, A.M. 2006. Effect of potassium fertilization on growth, yield and quality of onion plants. J. App. Sci. Res. 2: 780-785.

8. El-Naggar, A.H. 2010. Effect of biofertilizer, organic compost and mineral fertilizers on the growth, flowering and bulbs production of Narcissus tazetta L. J. Agr. Env. Sci. Alex. Univ. 9(1): 24-52.

9. El-Rehim, G.H.A. 2000. Effect of phosphorus fertilization on yield and quality of onion bulb under Egypt condition. Assiut J. Agr. Sci. 31: 115-121.

10. Emsweller, S.L., G.O. Randall, , and J.G. Weaver. 1983. Fertilizer for narcissus bulb in North Carolina. Proc. Amer. Soc. Hort. Sci. 36: 791- 795.

11. Epstin, E. 1972. Mineral nutrition of Plants: Principles and Perspectives. New York: Wiley. 189 p.

12. Estefan, G, R. Sommer, and J. Ryan. 2013. Methods of Soil, Plant, and Water Analysis, A Manual for the West Asia and North Africa Region. ICARDA (International Center for Agricultural Research in the Dry Areas), Beirut, Lebanon.. 242 p.

13. Faragasova, A. 1994. The effect of the environment and storage on nitrate content in various potato cultivars from two localities. Biologia, 49:6. 917-922.

14. Field, C. and H.A. Mooney. 1986. The photosynthesis-nitrogen relationship in wild plants. In: Givnish T.J. (ed.) On the economy of plant form and function: Proceedings of the Sixth Maria Moors Cabot Symposium (Vol. 6). Cambridge University Press. pp. 25-55.

15. Fodor, E. and E. Solymos. 1976. Base Fertilization of Narcissus. Kerteszeti Egyetem Kozlemenyei, 39(7): 261-272 (In Hungarian).

16. Ghasemi Ghehsareh, M. and M. Kafi, 2014. Floriculture, Scientific and Practical (Volume I). Author publication. 313 p. (In Persian).

17. Haadi-e-vincheh, M., D. Naderi, and A. Golparvar. 2013. Growth and physiological characteristics of Narcissus pseudonarcissus at different nitrogen levels. Int. J. Food Allied Sci. 2 (2): 1325-1329.

18. Hanks, G.R. 2002. Commercial Production of Narcissus bulbs. In: Hanks, G.R. (ed). Narcissus and Daffodil: The Genus Narcissus. CRC Press. pp. 53-130. [DOI:10.1201/9780203219355]

19. Hartmann, H.T., D.E. Kester, R.L. Geneve, and F.T. Davies. 2014. Hartmann & Kester's Plant Propagation: Principles and Practices. Pearson Educ. limited. 922 p.

20. http://sarafraz-hezarmasjed.ir/2018/02/13. Onion nutrition and fertilizer recommendation of onion farms. (In Persian).

21. Jamil, M.K., M.M. Rahman, M.M. Hossain, M.T. Hossain, and A.S. Karim. 2016. Response of N, P and K on the growth and flowering of hippeastrum (Hippeastrum hybridum Hort.). Bangladesh J. Agr. Res. 41(1): 91-101. [DOI:10.3329/bjar.v41i1.27675]

22. Kamenetsky, R., and H. Okubo. 2012. Ornamental Geophytes: From Basic Science to Sustainable Production. CRC Press. 578 p. [DOI:10.1201/b12881]

23. Kazemi M., H. Hassanabadi, and H. Tavakoli. 2011. Potato Production Management. Publication of agricultural education and extension. 156 p. (In Persian).

24. Kazemi, M., S. Zamani, and M. Aran. 2011. Interaction between glutamin and different chemicals on extending the vase life of cut flowers of 'Prato' lily. Am. J. Plant Physiol. 6: 120-125. [DOI:10.3923/ajpp.2011.120.125]

25. Khalighi, A., M. Hojjati, M. Babalar, and R. Naderi. 2007. Investigation of the effect of N, P and K ratios on quantitative and qualitative traits of bulbs and bulblet in tulips. Iranian J. Agr. Sci. (J. Agr.). 38(1): 39-45 (In Persian).

26. Khosravifar, S., M. Yarnia, M.B. Khorshidi Benam, and A.H. Hosseinzadeh Moghbeli. 2008. Effect of potassium on drought tolerance in potato cv. Agria. J. Food Agr. Environ. 6: 236-241.

27. Koocheki, A. and A. Soltani. 2011. The Sugar Beet Crop. Mashhad University Jihad, Iran. 200 p. (Translated in Persian).

28. Leeds, R. 2000. The Plant Finder's Guide to Early Bulbs. Timber Press Portland. Oregon.UK. 192 p.

29. Lester, G.E., J.L. Jifon, and D.J. Makus. 2006. Supplemental foliar potassium applications with or without a surfactant can enhance netted muskmelon quality. Hort. Sci. 41: 741-744. [DOI:10.21273/HORTSCI.41.3.741]

30. Lichtenthaler, H.K. and A.R. Wellburn. 1983. Determinations of total carotenoids and chlorophylls a and b of leaf extracts in different solvents. Biochemical Society Transactions. https://doi.org/10.1042/bst0110591 [DOI:10.1042/bst0110591.]

31. Lin, D., D. Huang, and S. Wang. 2004. Effects of potassium levels on fruit quality of muskmelon in soilless medium culture. Sci. Hort. 102: 53-60. [DOI:10.1016/j.scienta.2003.12.009]

32. Mahmoodinezhade dezfully, S.H., A. Gholami, A.A. Moezi, and M. Hosseinpour. 2012. Effects of Nitrogen, Potassium and Phosphorus on Quantitative and Qualitative Characteristics of Tuberose cv. Double (Polianthes tuberosa L.). J. Appl. Environ. Biol. Sci. 2(9): 485-491.

33. Malakouti, M.J. and M. Homaei. 2004. Fertility of Soils in Arid and Semi-arid Regions. Trabiat Modares University, Tehran. 508 p. (In Persian).

34. Malakouti, M.J. and M.M. Tehrani. 1999. The Role of Micronutrients in Increasing Yield and Improving the Quality of Agricultural Products (Microelements with Macro Impact). Tarbiat Modares University Pub. Tehran, Iran. 328 p. (In Persian).

35. Maness, N. 2010. Extraction and Analysis of Soluble Carbohydrates. In: Sunkar R. (eds) Plant Stress Tolerance, Methods in Molecular Biology (Methods and Protocols), vol 639. Humana Press. pp 341-370. https://doi.org/10.1007/978-1-60761-702-0_22 [DOI:10.1007/978-1-60761-702-0_22.]

36. Marschner, H. 2011. Marschner's Mineral Nutrition of Higher Plants. 3nd Ed. Acad. Press, London. 672 p.

37. Mengel, K. and W.W. Arneke. 1982. Effect of potassium on the water potential, the pressure potential, the osmotic potential and cell elongation in leaves of Phaseolus vulgaris. Plant Physiol. 54: 402-408. [DOI:10.1111/j.1399-3054.1982.tb00699.x]

38. Miller, W.B. 1993. Lilium longiflorum. In: De Hertogh A., and M. Le Nard (eds.) The Physiology of Flower Bulbs, Elsevier, Amsterdam. pp 391-422.

39. Mortazavi, S.N. and S.F. Talebi. 2009. The effect of silver nitrate and sucrose treatments on the maintenance of cut flowers of ordinary Lilium cultivar, 6th Iranian Congress of Horticultural Sciences, Rasht. https://civilica.com/doc/99841 (In Persian).

40. Muchow, R.C. 1988. Effect of nitrogen supply on the comparative productivity of Maize and Sorghum in a semi-arid tropical environment. I. Leaf Growth and Leaf Nitrogen. Field Crops Res. 18: 393-401. [DOI:10.1016/0378-4290(88)90055-X]

41. Niedziela, C.E., S.H. Kim, P.V. Nelson, and A.A. De Hertogh. 2008. Effects of N-P-K deficiency and temperature regime on the growth and development of Lilium longiflorum 'Nellie White'during bulb production under phytotron conditions. Sci. Hortic. 116(4): 430-436. [DOI:10.1016/j.scienta.2008.02.015]

42. Rani, N., R. Kumar, and K.K. Dhatt. 2005. Effect of nitrogen levels and growing media on growth, flowering and bulb production of Lilium cultivars. J. Ornam. Hort. 8(1):36-40.

43. Ruamrungsri, S., W. Bumphenyoo, R. Sriwichai, and P. Apavatjrut. 2007. Effects of nitrogen, phosphorus and potassium deficiencies on growth and development of Globba rosea Gagnep. Agr. Nat. Resour. 41: 72-83.

44. Salo, T., T. Suojala, and M. Kallela. 2002. The effect of fertigation on yield and nutrient uptake of cabbage, carrot and onion. Acta. Hort. 571: 235-241. [DOI:10.17660/ActaHortic.2002.571.28]

45. Sarmadnia, Gh. and A. Koocheki. 2012. Physiology of Crop Plants. Mashhad University Pub, Iran. 400 p. (In Persian).

46. Shah, A., S.D. Lal, and J.N. Seth. 1984. Effect of different levels of nitrogen, phosphorus on growth, flowering and corm yield of gladiolus cv. Vinks Glory. Prog. Hort. 16(3-4): 305-307.

47. Sharma, R.P. 1992. Effect of planting material, nitrogen and potash on bulb yield of rainy-season onion (Allium cepa). Indian J. Agron. 37(4): 868-869.

48. Sheikh Babaei, M. and M. Esna-ashari, and F. Dashti. 1388. The effect of urea and two biofertilizers of azotobacter and nitroxin on some quantitative and qualitative properties of fenugreek (Trigonella foenumgraecum L.). 6th Iranian Congress of Horticultural Sciences, Rasht. https://civilica.com/doc/100259 (In Persian).

49. Taiz, L. and E. Zeiger. 2006. Plant Physiology. 4th ed. Sinauer Associates, Inc, Sunderland, MA. 764p.

50. Varshney, A., P.S. Srivastava, and V. Dhawan. 2001. Effect of doses of nitrogen, phosphorus and potassium on the performance of In vitro propagated bulblets of Lilium sp. (Asiatic hybrids). Curr. Sci. 81(10): 1296- 1298.

51. Wissuwa, M., G. Gamat and A.M. Ismail. 2005. Is root growth under phosphorus deficiency affected by source or sink limitation? J. Exp. Bot. 56: 1943-1950. [DOI:10.1093/jxb/eri189]

52. Youssef, A.S.M. and M.A. El-Aabdel. 2014. Effect of kinetin and mineral fertilization on growth, flowering, bulbs productivity, chemical compositions and histological features of Hippeastrum vittatum plant. J. Plant Prod. Mansoura Univ. 5(3): 357. [DOI:10.21608/jpp.2014.53652]

53. Zadebagheri, M., A. Sohrabnejad, A. Abutalebi Jahromi, and S. Sharafzadeh. 2011. The Effects of nitrogen and phosphor on some physico-chemical characteristics and postharvest life of narcissus flower. New Findings In Agriculture, 6 ((1 (21)): 35-47 (In Persian).

54. Zaharah, A., P. Vimala, R. Siti Zainab, and H. Salbiah. 1994. Response of onion and shallot to organic fertilizer on bris (rudua series) soil in Malaysia. Acta. Hort. 358: 429-433. [DOI:10.17660/ActaHortic.1994.358.70]

55. Zahedi Aval., M.H. 1996. Effect of plant density and different amounts of potash fertilizer on the quantity and quality of two potato cultivars. Master Thesis in Agriculture. Mashhad Ferdowsi University. (In Persian).

56. Zeinali; H., A. Moslehi Yazddeli, L. Safaei, Z. Jaberalansar, A. Akhondi, and Z. Skanderi. 2014. Effects of different N.P.K fertilizer levels on quantitative and qualitative traits of Matricaria chamomilla L. Iranian J. Med. Arom. Plants Res., 30 (4): 511-518. doi: 10.22092/ijmapr.2014.9831 (In Persian).

57. 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. J. Integr. Plant Biol. 48(6): 679-685. [DOI:10.1111/j.1744-7909.2006.00272.x]

58. Arefi, A., M. Kafi, H. Khazaei, and M. Banayan Aval. 2012. Effect of nitrogen, phosphorous and potassium fertilizer levels on yield, photosynthetic rate photosynthetic pigments, chlorophyll content, and nitrogen concentration of plant components of Allium altissimum Regel. J. Agroecol. 4(3): 207-214. doi: 10.22067/jag.v4i3.15309 (In Persian).

59. Brewster, J.L. 1994. Onion and Other Vegetable Alliums. CAB Int. UK. 334 p.

60. Butt, S.J. 2005. Effect of N, P, K on some flower quality and corm yield characteristics of gladiolus. J. Tekirdag Agr. Fac. 2: 31-42.

61. Cao, W. and, T.W. Tibbitts. 1991. Physiological responses in potato plant under continuous irradiation. J. Am. Soc. Hort. Sci. 116: 3. 525-527. [DOI:10.21273/JASHS.116.3.525]

62. Cheal, W.F. and G.W Winsor. 1986. The effects of nitrogen, phosphorus, potassium and magnesium on the growth of tulips during the second season of treatment and on the chemical composition of the bulbs. Ann. Appl. Biol. 57(2): 287-299. [DOI:10.1111/j.1744-7348.1966.tb03823.x]

63. Choi, J.M. and H.G. Kim. 2006. Effect of N, P, K and Ca nutrition on strawberry anthracnose. Plant Pathol. 55: 246-249. [DOI:10.1111/j.1365-3059.2006.01322.x]

64. El-Bassiony, A.M. 2006. Effect of potassium fertilization on growth, yield and quality of onion plants. J. App. Sci. Res. 2: 780-785.

65. El-Naggar, A.H. 2010. Effect of biofertilizer, organic compost and mineral fertilizers on the growth, flowering and bulbs production of Narcissus tazetta L. J. Agr. Env. Sci. Alex. Univ. 9(1): 24-52.

66. El-Rehim, G.H.A. 2000. Effect of phosphorus fertilization on yield and quality of onion bulb under Egypt condition. Assiut J. Agr. Sci. 31: 115-121.

67. Emsweller, S.L., G.O. Randall, , and J.G. Weaver. 1983. Fertilizer for narcissus bulb in North Carolina. Proc. Amer. Soc. Hort. Sci. 36: 791- 795.

68. Epstin, E. 1972. Mineral nutrition of Plants: Principles and Perspectives. New York: Wiley. 189 p.

69. Estefan, G, R. Sommer, and J. Ryan. 2013. Methods of Soil, Plant, and Water Analysis, A Manual for the West Asia and North Africa Region. ICARDA (International Center for Agricultural Research in the Dry Areas), Beirut, Lebanon.. 242 p.

70. Faragasova, A. 1994. The effect of the environment and storage on nitrate content in various potato cultivars from two localities. Biologia, 49:6. 917-922.

71. Field, C. and H.A. Mooney. 1986. The photosynthesis-nitrogen relationship in wild plants. In: Givnish T.J. (ed.) On the economy of plant form and function: Proceedings of the Sixth Maria Moors Cabot Symposium (Vol. 6). Cambridge University Press. pp. 25-55.

72. Fodor, E. and E. Solymos. 1976. Base Fertilization of Narcissus. Kerteszeti Egyetem Kozlemenyei, 39(7): 261-272 (In Hungarian).

73. Ghasemi Ghehsareh, M. and M. Kafi, 2014. Floriculture, Scientific and Practical (Volume I). Author publication. 313 p. (In Persian).

74. Haadi-e-vincheh, M., D. Naderi, and A. Golparvar. 2013. Growth and physiological characteristics of Narcissus pseudonarcissus at different nitrogen levels. Int. J. Food Allied Sci. 2 (2): 1325-1329.

75. Hanks, G.R. 2002. Commercial Production of Narcissus bulbs. In: Hanks, G.R. (ed). Narcissus and Daffodil: The Genus Narcissus. CRC Press. pp. 53-130. [DOI:10.1201/9780203219355]

76. Hartmann, H.T., D.E. Kester, R.L. Geneve, and F.T. Davies. 2014. Hartmann & Kester's Plant Propagation: Principles and Practices. Pearson Educ. limited. 922 p.

77. http://sarafraz-hezarmasjed.ir/2018/02/13. Onion nutrition and fertilizer recommendation of onion farms. (In Persian).

78. Jamil, M.K., M.M. Rahman, M.M. Hossain, M.T. Hossain, and A.S. Karim. 2016. Response of N, P and K on the growth and flowering of hippeastrum (Hippeastrum hybridum Hort.). Bangladesh J. Agr. Res. 41(1): 91-101. [DOI:10.3329/bjar.v41i1.27675]

79. Kamenetsky, R., and H. Okubo. 2012. Ornamental Geophytes: From Basic Science to Sustainable Production. CRC Press. 578 p. [DOI:10.1201/b12881]

80. Kazemi M., H. Hassanabadi, and H. Tavakoli. 2011. Potato Production Management. Publication of agricultural education and extension. 156 p. (In Persian).

81. Kazemi, M., S. Zamani, and M. Aran. 2011. Interaction between glutamin and different chemicals on extending the vase life of cut flowers of 'Prato' lily. Am. J. Plant Physiol. 6: 120-125. [DOI:10.3923/ajpp.2011.120.125]

82. Khalighi, A., M. Hojjati, M. Babalar, and R. Naderi. 2007. Investigation of the effect of N, P and K ratios on quantitative and qualitative traits of bulbs and bulblet in tulips. Iranian J. Agr. Sci. (J. Agr.). 38(1): 39-45 (In Persian).

83. Khosravifar, S., M. Yarnia, M.B. Khorshidi Benam, and A.H. Hosseinzadeh Moghbeli. 2008. Effect of potassium on drought tolerance in potato cv. Agria. J. Food Agr. Environ. 6: 236-241.

84. Koocheki, A. and A. Soltani. 2011. The Sugar Beet Crop. Mashhad University Jihad, Iran. 200 p. (Translated in Persian).

85. Leeds, R. 2000. The Plant Finder's Guide to Early Bulbs. Timber Press Portland. Oregon.UK. 192 p.

86. Lester, G.E., J.L. Jifon, and D.J. Makus. 2006. Supplemental foliar potassium applications with or without a surfactant can enhance netted muskmelon quality. Hort. Sci. 41: 741-744. [DOI:10.21273/HORTSCI.41.3.741]

87. Lichtenthaler, H.K. and A.R. Wellburn. 1983. Determinations of total carotenoids and chlorophylls a and b of leaf extracts in different solvents. Biochemical Society Transactions. https://doi.org/10.1042/bst0110591 [DOI:10.1042/bst0110591.]

88. Lin, D., D. Huang, and S. Wang. 2004. Effects of potassium levels on fruit quality of muskmelon in soilless medium culture. Sci. Hort. 102: 53-60. [DOI:10.1016/j.scienta.2003.12.009]

89. Mahmoodinezhade dezfully, S.H., A. Gholami, A.A. Moezi, and M. Hosseinpour. 2012. Effects of Nitrogen, Potassium and Phosphorus on Quantitative and Qualitative Characteristics of Tuberose cv. Double (Polianthes tuberosa L.). J. Appl. Environ. Biol. Sci. 2(9): 485-491.

90. Malakouti, M.J. and M. Homaei. 2004. Fertility of Soils in Arid and Semi-arid Regions. Trabiat Modares University, Tehran. 508 p. (In Persian).

91. Malakouti, M.J. and M.M. Tehrani. 1999. The Role of Micronutrients in Increasing Yield and Improving the Quality of Agricultural Products (Microelements with Macro Impact). Tarbiat Modares University Pub. Tehran, Iran. 328 p. (In Persian).

92. Maness, N. 2010. Extraction and Analysis of Soluble Carbohydrates. In: Sunkar R. (eds) Plant Stress Tolerance, Methods in Molecular Biology (Methods and Protocols), vol 639. Humana Press. pp 341-370. https://doi.org/10.1007/978-1-60761-702-0_22 [DOI:10.1007/978-1-60761-702-0_22.]

93. Marschner, H. 2011. Marschner's Mineral Nutrition of Higher Plants. 3nd Ed. Acad. Press, London. 672 p.

94. Mengel, K. and W.W. Arneke. 1982. Effect of potassium on the water potential, the pressure potential, the osmotic potential and cell elongation in leaves of Phaseolus vulgaris. Plant Physiol. 54: 402-408. [DOI:10.1111/j.1399-3054.1982.tb00699.x]

95. Miller, W.B. 1993. Lilium longiflorum. In: De Hertogh A., and M. Le Nard (eds.) The Physiology of Flower Bulbs, Elsevier, Amsterdam. pp 391-422.

96. Mortazavi, S.N. and S.F. Talebi. 2009. The effect of silver nitrate and sucrose treatments on the maintenance of cut flowers of ordinary Lilium cultivar, 6th Iranian Congress of Horticultural Sciences, Rasht. https://civilica.com/doc/99841 (In Persian).

97. Muchow, R.C. 1988. Effect of nitrogen supply on the comparative productivity of Maize and Sorghum in a semi-arid tropical environment. I. Leaf Growth and Leaf Nitrogen. Field Crops Res. 18: 393-401. [DOI:10.1016/0378-4290(88)90055-X]

98. Niedziela, C.E., S.H. Kim, P.V. Nelson, and A.A. De Hertogh. 2008. Effects of N-P-K deficiency and temperature regime on the growth and development of Lilium longiflorum 'Nellie White'during bulb production under phytotron conditions. Sci. Hortic. 116(4): 430-436. [DOI:10.1016/j.scienta.2008.02.015]

99. Rani, N., R. Kumar, and K.K. Dhatt. 2005. Effect of nitrogen levels and growing media on growth, flowering and bulb production of Lilium cultivars. J. Ornam. Hort. 8(1):36-40.

100. Ruamrungsri, S., W. Bumphenyoo, R. Sriwichai, and P. Apavatjrut. 2007. Effects of nitrogen, phosphorus and potassium deficiencies on growth and development of Globba rosea Gagnep. Agr. Nat. Resour. 41: 72-83.

101. Salo, T., T. Suojala, and M. Kallela. 2002. The effect of fertigation on yield and nutrient uptake of cabbage, carrot and onion. Acta. Hort. 571: 235-241. [DOI:10.17660/ActaHortic.2002.571.28]

102. Sarmadnia, Gh. and A. Koocheki. 2012. Physiology of Crop Plants. Mashhad University Pub, Iran. 400 p. (In Persian).

103. Shah, A., S.D. Lal, and J.N. Seth. 1984. Effect of different levels of nitrogen, phosphorus on growth, flowering and corm yield of gladiolus cv. Vinks Glory. Prog. Hort. 16(3-4): 305-307.

104. Sharma, R.P. 1992. Effect of planting material, nitrogen and potash on bulb yield of rainy-season onion (Allium cepa). Indian J. Agron. 37(4): 868-869.

105. Sheikh Babaei, M. and M. Esna-ashari, and F. Dashti. 1388. The effect of urea and two biofertilizers of azotobacter and nitroxin on some quantitative and qualitative properties of fenugreek (Trigonella foenumgraecum L.). 6th Iranian Congress of Horticultural Sciences, Rasht. https://civilica.com/doc/100259 (In Persian).

106. Taiz, L. and E. Zeiger. 2006. Plant Physiology. 4th ed. Sinauer Associates, Inc, Sunderland, MA. 764p.

107. Varshney, A., P.S. Srivastava, and V. Dhawan. 2001. Effect of doses of nitrogen, phosphorus and potassium on the performance of In vitro propagated bulblets of Lilium sp. (Asiatic hybrids). Curr. Sci. 81(10): 1296- 1298.

108. Wissuwa, M., G. Gamat and A.M. Ismail. 2005. Is root growth under phosphorus deficiency affected by source or sink limitation? J. Exp. Bot. 56: 1943-1950. [DOI:10.1093/jxb/eri189]

109. Youssef, A.S.M. and M.A. El-Aabdel. 2014. Effect of kinetin and mineral fertilization on growth, flowering, bulbs productivity, chemical compositions and histological features of Hippeastrum vittatum plant. J. Plant Prod. Mansoura Univ. 5(3): 357. [DOI:10.21608/jpp.2014.53652]

110. Zadebagheri, M., A. Sohrabnejad, A. Abutalebi Jahromi, and S. Sharafzadeh. 2011. The Effects of nitrogen and phosphor on some physico-chemical characteristics and postharvest life of narcissus flower. New Findings In Agriculture, 6 ((1 (21)): 35-47 (In Persian).

111. Zaharah, A., P. Vimala, R. Siti Zainab, and H. Salbiah. 1994. Response of onion and shallot to organic fertilizer on bris (rudua series) soil in Malaysia. Acta. Hort. 358: 429-433. [DOI:10.17660/ActaHortic.1994.358.70]

112. Zahedi Aval., M.H. 1996. Effect of plant density and different amounts of potash fertilizer on the quantity and quality of two potato cultivars. Master Thesis in Agriculture. Mashhad Ferdowsi University. (In Persian).

113. Zeinali; H., A. Moslehi Yazddeli, L. Safaei, Z. Jaberalansar, A. Akhondi, and Z. Skanderi. 2014. Effects of different N.P.K fertilizer levels on quantitative and qualitative traits of Matricaria chamomilla L. Iranian J. Med. Arom. Plants Res., 30 (4): 511-518. doi: 10.22092/ijmapr.2014.9831 (In Persian).

114. 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. J. Integr. Plant Biol. 48(6): 679-685. [DOI:10.1111/j.1744-7909.2006.00272.x]