Abarian, M.M., Heidari Sharifabad, H., oormohammadi, G.H., and Darvish Kojouri, F., 2012. The effect of potassium, zinc and iron foliar application on the production of saffron (Crocus sativa). Ann. Biol. Res. 3(12), 5651-5658. [in Persian with English Summary].
Alam, M.Z., Braun, G., Norrie, J., and Hodges, D.M., 2013. Effect of Ascophyllum extract application on plant growth, fruit yield and soil microbial communities of strawberry. Can. J. Plant Sci. 93, 23–36.
Amirghasemi, T., 2001. Saffron, Red Gold of Iran. Ayandegan Publication. Tehran, Iran. [in Persian].
Behdani, M.A., Koocheki A., Nassiri, M., Rezvani, P., 2005. Evaluation of quantitative relationships between saffron and nutrition (On farm trial). J Agric. Res. 3(1), 1-14. [In Persian with English Summary].
Behdani, M.A., Koocheki, A., Nassiri Mahallati, M., and Rezvani Moghaddam, P., 2006. Evaluation of quantitative relationships between saffron yield and nutrition (On farm trial). Iran. J. Field Crops Res. 3, 1-14. [in Persian with English Summary].
Blunden, G., Jenkins, T., and Liu, Y., 1996. Enhanced leaf chlorophyll levels in plants treated with seaweed extract. J. Appl. Phycol. 8, 535-543.
Cao, J., Peng, Z., Huang, J., Yu, J., Li, W., Yang, L., and Lin, Z., 2010. Effect of foliar application of amino acid on yield and quality of floweringChinese cabbage. Chinese Agric. Sci. Bull. 26, 162-165.
Crouch, I., and van Staden, J., 1993. Evidence for the presence ofplant growth regulators in commercial seaweed products. Plant Growth Regul.13, 21-29.
Del Poso, A., Perez, P., Gutierrez, D., Alonso, A., Morcuende, R., and Martinez-Carrasco, R., 2007. Gas exchange acclimation to elevated CO2 in upper-sunlit and lower-shaded canopy leaves in relation to nitrogen acquisition and partitioning in wheat grown in field chambers.Environ. Exp. Bot. 53, 371-380.
Dore, T.J., Meynard, M., and Sebillote, M., 1998. The role of grain number, nitrogen nutrition and stem number in limiting pea crop (Pisum sativum) yield under agricultural conditions. Eur. J. Agron. 8, 29-37.
Feli, A., Maleki Farahani, S., Besharati, H., The impact of chemical urea fertilizer and different organic and biofertilizers on both quantitative and qualitative yield and some soil properties in cultivation of saffron (Crocus sativus L.). Crop Improv. (J. Agric. Crops Prod.). 20(2), 345-356. [in Persian With English Summary].
Ghorbani, R., and Koocheki, A. 2006. Organic saffron in Iran: Prospects challenges. Proceedings of the 2nd International Symposium onSaffron Biology and Technology. Mashhad, Iran. 28-30 October 2006, p. 369-374. [in Persian].
Haider, M.W., Ayub, C.M., Pervez, M.A., Asad, H.U., Manan, A., Raza, S.A., Ashraf, I., 2012. Impact of foliar application of seaweed extract on growth, yield and quality of potato (Solanum tubersoum L.). Soil Environ. 31(2), 157-162.
Hankins, S.D., and Hockey, H.P., 1990. The effect of a liquid seaweed extract from Ascophyllum nodosum (Fucales, Phaeophyta) on the two-spotted red spider mite Tetranychus urticae. Hydrobiologia. 204, 555-559.
Hosseini, M., Sadeghi and, B., and Aghamiri, S.A., 2004. Influence of foliar fertilization on yield of saffron (Crocus sativus L.). In: Proceedings of the 1st International Symposium on Saffron Biology and Biotechnology. Acta Hortic. (ISHS). 650, 207-209.
Jannin, L., Arkoun, M., Etienne, P., Laîné, P., Goux, D., Garnica, M., Fuentes, M., Brassica napus growth is promoted by Ascophyllum nodosum (L.) Le Jol. seaweed extract: Microarray analysis and physiological characterization of N, C, and S metabolisms. Journal of Plant Growth Regulation, March 2013.
Kafi, M., Rashed Mohasel, M.H., Koocheki, A., and Mollafilabi, A., 2002. Saffron: Production and Processing. Zaban va Adab Press, Iran. 276 pp. [in Persian].
Kamel, P., 2018. Effect of time and amount of total fertilizer containing seaweed extract on growth characteristics of aerial parts and saffron. MSc Thesis, Faculty of Agriculture, University of Sabzvar, Iran. [in Persian With English Summary].
Khorasani, R., Rezvani Moghaddam, P., and Hassanzadeh Aval, F., 2013. Effect of concentration, time and frequency of foliar applications on vegetative growth and production of replacement corms of saffron (Crocus sativus L.) by using a complete nutrient solution. In: Proceeding of the 2nd National Conference on the Newest Scientific and Research Findings on Saffron. Torbat Heydariyeh, Iran, October 30, p. 40. [in Persian].
Kirmani, N.A., Sofi, J.A., Bhat, M.A., and Ansar-Ul-Haq, S., 2014. Sustainable saffron production as influenced by integrated nitrogen management in typical hapludalfs of NW Himalayas. Commun. Soil Sci. Plant Anal. 45: 653-668.
Koocheki, A., 2004. Indigenous knowledge in agriculture with particular reference production in Iran. Acta Hort. 650, 175-182
Koocheki, A., 2013. Research on production of Saffron in Iran: Past trend and future prospects. Saffron Agron. & Technol. 1(1), 3-21. [in Persian with English Summary].
Koocheki, A., Jahani, M., Tabrizi, L., and Mohammad Abadi, A.A., 2011. Investigation on the effect of biofertilizer, chemical fertilizer and plant density on yield and corm criteria of saffron (Crocus sativus L.). J. Water Soil. 25, 196-206. [in Persian with English Summary].
Koocheki, A.R., Amir Moradi, S., Shabahang, J., and Kalantari Khandani, S., 2013. Effect of organic fertilizers on quantitative and qualitative characteristics of medicinal plants Plantago Ovata Forssk., Alyssum homolocarpum L., Lepidium perfoilatum L., and Lalementia iberica L. Journal of Agroecol. 1, 16-26. [in Persian with English Summary].
Liu, X.Q., Ko, K.Y., Kim, S.H., and Lee, K.S., 2007. Effect of aminoacid fertilization on nitrate assimilation of leafy radish and soil chemicalproperties in high nitrate soil. Comm. Soil Sci. Plant Anal. 39, 269-281.
Macdonald, J.E., Hacking, J., Weng, Y., and Norrie, J., 2012. Root growth of containerized lodgepole pine seedlings in response to Ascophyllum nodosum extract application during nursery culture. Can. J. Plant Sci. 92, 1207-1212.
Mohammadpoor Vashvaei, R., Ghloy, M., Rmroodi, M., and Fakheri, B., 2015. Effects of drought and inoculation with biofertilizers on growth, yield and essential oil of Thymus vulgaris L. J. Agroecol. 7(2), 237-253. [in Persian with English Summary].
Mokhtari, M., 2014. Effect of nitrogen fertilizer rate and nutrient uses on agronomic traits of saffron. Fourth National Conference on Saffron. Bozorgmehr Branch Ghaenat, Iran. [in Persian].
Moradi, R., Nassiri Mahallati, M., Rezvani Moghaddam, P., Lakzian, A., and Nejad Ali, A., 2011. The effect of application of organic and biological fertilizers on quantity and quality of essential oil in fennel (Foeniculum vulgare). J. Hort. Sci. 25(1), 25-33. [in Persian with English Summary].
Naghibi, M., 2012. The effects of biological and chemical fertilizers sprayed on performance and features corms flower (Crocus sativus L.). National Conference on Environment and Plant Production, 6th-7th Sep. Semnan, Iran. [in Persian with English Summary].
Norrie, J., and Keathley, J., 2006. Benefits of Ascophyllum nodosum marine-plant extract applications to ‘Thompson seedless’ grape production. Acta Hort. 727, 243-245.
Omidi, H., Naghdibadi, H.A., Golzad, A., Torabi H., and Fotoukian, M.H., 2009. The effect of chemical and bio-fertilizer source of nitrogen on qualitative and quantitative yield of saffron (Crocus sativus L.). J. Medicin. Plant. 8, 98-09. [in Persian with English Summary].
Rezvani Moghaddam, P., Khorramdel, S., min Ghafori, A., and Shabahang, J., 2013a. Evaluation of growth and yield of saffron (Crocus sativus L.) affected by spent mushroom compost and corm density. J. Saffron Res. 1(1), 13-26. [in Persian with English Summary].
Rezvani Moghaddam, P., Koocheki, A., Molafilabi, A., and Seyyedi, S.M., 2013. Effect of biological and chemical fertilizers on replacement corm and flower yield of saffron (Crocus sativus L.). Iran. J. Crop Sci. 15, 234-246. [in Persian with English Summary].
Saeedi Rad, M., and Mokhtarian, A., 2013. Scientific and practical principles of planting and harvesting of saffron. Sarva publications, Tehran, Iran. [in Persian with English Summary].
Saikia, S.P., Dutta, S.P., Goswami, A., Bhau, B.S., and Kanjilal, P.B., 2010. Role of Azospirillum in the improvement of legumes. In: Microbes for Legume Improvement; Springer Vienna p. 389- 408.
Salem, A.T., and Kilany, S., 2004. The influence of NPK, phosphorus source and potassium foliar application on growth and fruit quality Thompson Seedless grapevines. J. Acta Hort. 460, 163-173.
Stirk, W., and van Staden, J., 1997. Isolation and identification of cytokinins in a new commercial seaweed product made from Fucus serratus L. J. Appl. Phycol. 9, 327-330.
Sunarpi, J.A., Kurnianingsih, R., Julisaniah, N.I., and Nikmatullah, A., 2010. Effect of seaweed extracts on growth and yield of rice plants. Bioscience. 2(2), 73-77.
Taghadosi, M., Hasani, N., and Sinki, J., 2012. Irrigation stress and spraying with humicacid and seaweed extract in antioxidant enzymes and proline in sorghum. Crop Prod. Environ. Stress. 4(1), 1-12. [in Persian with English Summary].
Torabi, M., and Sadeghi, B., 1995. Pattern of nutrient changes in leaf and corm of saffron during growth period. Abstract of the Second National Symposium on Saffron and Medicinal Plants. 8th-9th November, Gonabad, Iran. [in Persian].
Unal, M., and Cavusoglu, A., 2005. The effect of various nitrogen fertilizers on saffron (Crocus sativus L.) yield. Akdeniz Universitesi Ziraat Fakultesi Dergisi. 18(2), 257-260.
Zabihi, H., Rezayain, S., Ghasemzadeh-Ghanji, M., and Passban, M., 2011. Tempeoral changes of nutrient element in leaf saffron. 12th Iranian Soil Science Congress, Tabriz, Iran. [in Persian with English Summary].
Zhang, X., 1997. Influence of plant growth regulators on turfgrass growth, antioxidant status, and drought tolerance. Virginia Polytechnic Institute and State University.
)