1- احیایی ع.، بهبهانی زاده م. و بهبهانی زاده ا. 1372. شرح روش های تجزیه شیمیایی خاک. نشریه فنی شماره 893 ، چاپ اول، مؤسسه تحقیقات خاک و آب، تهران.
2- آمارنامه استان فارس. 1389. سازمان مدیریت و برنامهریزی استان فارس، معاونت آمار و انفورماتیک.
3- Ali B., Hayat S., Ahmad A. 2007. 28-Homobrassinolide ameliorates the saline stress in chickpea (CicerarietinumL.). Environmental and Experimental Botany, 59, 217-223.
4- Bano A., Malik K.A., and Ashraf M. 1988. Effect of humic acid on root nodulation and nitrogenase activity of Sesbaniasesban (L.) Merril.Pakistan Journal of Botany, 20(1): 69-73.
5- Fecenko J., Lozek O., Mazur N., and Mazur K.1997.Resorption of macronutrients and cadmium in dependence on application of sodium humate.RostlinnaVýroba, 43(1): 43-47.
6- Fu Q.L., Meng C.F., and Wu W.Y. 1994. Effects of fulvic acid on the physiology and yield of rape (Brassica campestrisL.). Oil Crops of China, 16(2): 29-31.
7- Good A.G., and Zaplachinski S.T. 1994. The effects of drought Stress on free Amino acid accumulation and protein synthesis in Bressicanapus. Physiologiaeplantarum, 25: 9-14.
8- Hasan S.A., Hayat S., Ali B.B., Ahmad A. 2008. 28-Homobrassinolide protects chickpea (Cicerarietinum) from cadmium toxicity by stimulating antioxidants. Environmental Pollution, 151:60- 66.
9- Hayat S., Ali B., Hasan S.A., Ahmad A. 2007. Brassinosteroid enhanced the level of antioxidants under cadmium stress in Brassica juncea. Environmental and Experimental Botany, 60: 33-41.
10- Hussein M.M., Balbaa L.K., and Gaballah M.S. 2007.Salicylic Acid and Salinity effects on growth of Maize Plants. Research Journal of Agriculture and Biological Sciences, 3: 321-328.
11- Irigoyen J.J., Emerich D.W., and Sanchez-Dias M. 1992. Water stress induced changes in concentrations of proline and total soluble sugars in nodulatedalfalfa (Medicagosativa) plants. Plant Physiology, 84: 55-60.
12- Jennifer R., Smith J.L., BoggsL.C., and Reganold J.P. 2005.Plant uptake of soluble organic molecules as N-Source. Crop and Soil Science, 45:187-190.
13- Li K.R., Wang H.H., HanG.,Wang Q.J., and Fan J. 2007. Effects of brassinolide on the survival, growth and drought resistance of Robiniapseudoacacia seedlings under water- tress. New forests, 27: 158-161.
14- Maxwell K., Johnson G.N. 2000. Chlorophyll fluorescence-a practical guide. Journal of Experimental Botany, 51: 659-668.
15- Munro D.S. 1989.Stomatal conductance and surface conductance modeling is a mixed wetland forest. Agric. For. Meterorol, (48): 235-249.
16- Rao S.S.R., Vardhini B.V.V., Sujatha E., and Anuradha S. 2002. Brassinosteroids-a new class of phytohormones. Current Sciences, 82: 1239-45.
17- Sathiyabama K., and Selvakumari G. 2001. Effect of humic acid on growth, yield and nutrition of Amaranthus. South Indian Horticulture, 49(Special): 155-156.
18- Shalabey O., and Bizik J. 1998. Effect of farmyard manure and sodium humate on the content of mercury in spring wheat.Acta Fyrotechnica ETZootechnica, 1(2): 46-49.
19- Symons G.M., Davies C., Shavrukov Y., Dry I.B., Reid J.B., and Thomas M.R. 2006. Grapes on steroids.Brassinosteroids are involved in grape berry ripening. Plant Physiology, 140: 150–158.
20- Tan K.H. 1986. Degradation of Soil Minerals by Organic Acids. In: P.M. Huang and M.Schnitzer, (eds.), Interactions of Soil Minerals with Natural Organics and Microbes. Soil Science Society of America, Special Publication No. 17, Madison, Wisconsin.
21- Tester M., Davenport R.J. 2003. Na+ transport and Na+ tolerance in higher plants. Annals of Botany, 91: 503-27.
22- Tuna A.L., Kaya C., Dikilitas M., Higgs D. 2008. The combined effects of gibberellic acid and salinity on some antioxidant enzyme activities, plant growth parameters and nutritional status in maize plants. Environmental and Experimental Botany 62: 1-9.
23- Venecamp J.H., and Koot J.T.M. 1988. Alterations of free amid an amino acid contests during the development of maize plants. Annals of Botany, 62: 589-596.
24- Xu X.D. 1986. The effect of foliar application of fulvic acid on water use, nutrient uptake and yield in wheat. Australian Journal of Agricultural Research, 37(4): 343-350.
25- Yuzhong L. 1996. Fulvica BioScience’s Health ALERT. Agricultural Humic Substance Research.Agrometeorology Institute, CAAS, on drought mitigation project.