Banks, L.W., 2004. Effect of timing of foliar zinc fertilizer on yield component of soybeans. Australian Journal of Experimental Agriculture and Animal Husbandry, 22(116): 226-231.
- Bybordi, A., 2007. Effect of foliar application of iron and zinc on yield and quality of white Qom and red Ray onion varieties grown in Khosrowshahr regions. Journal of Pajouhesh and Sazandegi, 74: 153-160.
- Chibba, I.M., Nayyar, V. and Kanwar, J., 2007. Influence of mode and source of applied iron on fenugreek (Trigonella corniculata L.) in a typic ustochrept in Punjub, India. International Journal of Agriculture and Biology, 9(2): 254-256.
- Hassanzadeh, A., Rezazadeh, Sh., Shamsa, F., Dolatabadi, R. and Zarringhalam, J., 2010. A review of medical and phytochemical properties of Fenugreek. Journal of Medicinal and Aromatic Plants Research, 4(12): 35-43.
- Hendawy, S.F., El-Sherbeny, S., Hossein, M., Khalid, Kh. and Ghazal, G., 2012. Response of two species of black cumin to foliar spray treatment. Australian Journal of Basic and Applied Sciences, 6(10): 636-642.
- Khalili Mahalleh, J. and Roshdi, M., 2008. Effect of foliar application of micronutrients on quantity and quality of silage corn in Khoy. Journal of Seed and Plant, 24: 281-292.
- Magid, A.A.A., Knany, R.E. and El-Fotoh, H.G.A., 2000. Effect of foliar application of some micronutrients on wheat yield and quality. Annals of Agricultural Science, 1: 301-313.
- Moradi, P., Hassandokht, M. and Kashi, A., 2010. Genetic variation in characteristics of Iranian fenugreek landraces. Journal of Crop and Weed Ecophysiology, 16: 55-70.
- Movahhedy-dehnavy, M., Modarres-Sanavy, S.A.M. and Mokhtassi-Bidgoli, A., 2009. Foliar application of zinc and manganese improves seed yield and quality of safflower (Carthamus tinctorius L.) grown under water deficit stress. Industrial Crops and Products, 30: 82-92.
- Nazar, A. and Tinay, A., 2007. Functional properties of fenugreek (Trigonella foenum-graceum L.) protein concentration. Journal of Food Chemistry, 103: 582-589.
- Omidbeygi, R., 2005. Production and Processing of Medicinal Plants (Vol. 2). Astan Qods Razavi Publications, 438p.
- Pirzad, A.R., Tousi, P. and Darvishzadeh, R., 2013. Effect of Fe and Zn foliar application on plant characteristics and essential oil content of anise (Pimpinella anisum L.). Iranian Journal of Crop Sciences, 15(1): 12-23.
- Ramrudi, M., Kikhajhaleh, M., Galavi, M., Saghatoleslami, M. and Baradaran, R., 2011. Effect of foliar application of micronutrients and irrigation regimes on yield and quality of Plantago ovate L. Journal of Agroecology, 219: 45-52.
- Salamatbakhsh, M.R., Tobe, A. and Taherifard, E., 2012. Effects of foliar application of micronutrients on yield and yield components of castor bean (Ricinus communis L.) varieties. European Journal of Experimental Biology, 2(4): 975-979.
- Sangale, P.B., Palil, G.D. and Daftardar, S.Y., 1998. Effect of foliar application of zinc, iron and boron on yield of safflower. Journal of Maharashtra Agriculture University, 6(1): 65-66.
- Shabanzadeh, S.H., Ramroudi, M. and Galavi, M., 2012. Influence of micronutrients foliar application on seed yield and quality traits of black Cumin in different irrigation regimes. Journal of Crop Production and Processing, 1(2): 79-89.
- Sherbeny, S.A., Khalil, M., Hussein, M. and Ali, M., 2008. Effect of sowing date and application of foliar fertilizers on the yield and chemical composition of rapeseed (Brassica napus L.) herb. Herta Polonica, 54(1): 47-56.
- Silspour, M., 2006. The study of iron and zinc effects on quantitative and qualitative parameters of winter wheat and determination of critical levels of these elements in Varamin plain soils. Journal of Pajouhesh and Sazandegi, 76: 123-133.
- Wahab, M.A., 2013. Effect of some trace elements on growth, yield and chemical constituents of Calendula officinalis L. plants under Sinai conditions. Research Journal of Agriculture and Biological Science, 4(6): 717-724.
- Yousefi, M. and Zandi, P., 2012. Effects of foliar application of zinc and manganese on yield of pumpkin (Cucurbita pepo L.) under two irrigation patterns. Electronic Journal of Polish Agricultural Universities, 15(4): 1505-1513.
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