- Akbari Chermahini, S., Moallemi, N., Nabati, D. A. & Shafieizargar, A. R. (2011). Winter application of foliar urea can promote some quantitative and qualitative characters of flower and fruit set of Valencia orange trees. Journal of Food, Agriculture & Environment, 9, 252-255.
- Albrigo, L. G. (2001). Foliar uptake of NPK sources and urea biuret tolerance in citrus. In: International Symposium on Foliar Nutrition of Perennial Fruit Plants, 594, 627-633.
- Awasthi, R. P. (1990). Effect of growth regulators on crop regulation of kinnow (Citrus nobilis x Citrus deliciosa. Indian Journal of Horticulture, 47, 162-166.
- Aziz, A. (2003). Spermidine and related‐metabolic inhibitors modulate sugar and amino acid levels in Vitis vinifera L.: possible relationships with initial fruitlet abscission. Journal of Experimental Botany, 54, 355-363.
- Benhamou, L., El-Otmani, M., Goumari, M., Talhi, M., Charif, L., Srairi, I. & Lovatt, C. J. (2004). The potential use of GA 3 and urea to manipulate flowering and reduce alternate-bearing pattern of the ‘Nour’Clementine mandarin. In: Proceedings of International Society of Citriculture I, 479-483.
- Bondada, B. R., Syvertsen, J. P. & Albrigo, L. G. (2001). Urea nitrogen uptake by citrus leaves. HortScience, 36, 1061-1065.
- Chapman, H. D. & Pratt, P. F. (1961). Methods of Analysis for Soils, Plants and Waters. Priced Publication 4034. Division of Agriculture Sciences. University of California, Berkeley.
- Dennis, F. G. & Neilsen, J. C. (1999). Physiological factors affecting biennial bearing in tree fruit: the role of seeds in apple. HortTechnology, 9, 317-322.
- El-Otmani, M., Ait-Oubahou, A., El-Hassainate, F., Kaanane, A. & Lovatt, C. J. (2004). Effect of gibberellic acid, urea and KNO₃ on yield and on composition and nutritional quality of clementine mandarin fruit juice. Acta Horticulturae.
- Freie, R. L. & Young Jr, H. V. (1992). Florida agricultural statistics: citrus summary 1990-1991. Florida Agricultural Statistics Service, Orlando, FL.
- Haggag, L. F., Maksoud, M. A. & El-Barkouky, F. M. Z. (1995). Alternate Bearing of "Balady Mandarin" as Influenced by Nutritional Status of Tree. Annals of Agriculture Science-Cairo, 40, 759-764.
- Johnson, R. S., Rosecrance, R., Weinbaum, S., Andris, H. & Wang, J. (2001). Can we approach complete dependence on foliar-applied urea nitrogen in an early-maturing peach?. Journal of the American Society for Horticultural Science, 126, 364-370.
- Khan, A. S., Malik, A. U., Pervez, M. A., Saleem, B. A., Rajwana, I. A., Shaheen, T. & Anwar, R. (2009). Foliar application of low-biuret urea and fruit canopy position in the tree influence the leaf nitrogen status and physico-chemical characteristics of Kinnow mandarin (Citrus reticulata Blanco). Pakistan Journal of Botany, 41, 73-85.
- Khezri, M., Talaie, A., Javanshah, A. & Hadavi, F. (2010). Effect of exogenous application of free polyamines on physiological disorders and yield of ‘Kaleh-Ghoochi’pistachio shoots (Pistacia vera L.). Scientia horticulturae, 125, 270-276.
- Kim, Y. Y. & Ko, K. C. (1997). Effects of pre and post-harvest foliar spray of urea on the flowering and fruit setting in satsuma mandarin. Journal of the Korean Society for Horticultural Science
- Lovatt, C. J. (1999). Timing citrus and avocado foliar nutrient applications to increase fruit set and size. HortTechnology, 9, 607-612.
- Moore, G. A. (2001). Oranges and lemons: clues to the taxonomy of Citrus from molecular markers. TRENDS in Genetics, 17, 536-540.
- Rabe, E. & Walt, H. P. (1993). Effects of pre-blossom low-biuret urea sprays on yield improvement in specific citrus cultivars. Citrus J, 3, 26-28.
- Rosecrance, R. C., Johnson, R. S. & Weinbaum, S. A. (1998). The effect of timing of post-harvest foliar urea sprays on nitrogen absorption and partitioning in peach and nectarine trees. The Journal of Horticultural Science and Biotechnology, 73, 856-861.
- Rosecrance, R. C., Weinbaum, S. A. & Brown, P. H. (1996). Assessment of nitrogen, phosphorus, and potassium uptake capacity and root growth in mature alternate-bearing pistachio (Pistacia vera) trees. Tree Physiology, 16, 949-956.
- Roussos, P. A., Pontikis, C. A. & Zoti, M. A. (2004). The role of free polyamines in the alternate-bearing of pistachio (Pistacia vera cv. Pontikis). Trees, 18, 61-69.
- Sharma, R. K. & Awasthi, R. P. (1990). Effect of growth regulators on crop regulation of kinnow (Citrus nobilis x Citrus deliciosa). Indian Journal of Horticulture, 47, 162-166.
- Tagliavini, M., Millard, P. & Quartieri, M. (1998). Storage of foliar-absorbed nitrogen and remobilization for spring growth in young nectarine (Prunus persica var. nectarina) trees. Tree Physiology, 18, 203-207.
- Wallinga, I., van Vark, W., Houba, V. J. G. & van der Lee, J. J. (1989). Soil and Plant Analysis, A Series of Syllabi Part 7, Plant Analysis Procedure. Wageningen Agriculture University, Wageningen.
- Weinbaum, S. A., Klein, I., Broadbent, F. E., Micke, W. C. & Muraoka, T. T. (1984). Use of isotopic nitrogen to demonstrate dependence of mature almond trees on annual uptake of soil nitrogen. Journal of Plant Nutrition, 7, 975-990.
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