1. Abbas H., Pezhman M., and Tina A. 2013. Effect of organic fertilizer and foliar application of humic acid on some quantitative and qualitative yield of pot marigold, Journal of Novel applied sciences, 4(10): 1100-1103.
2. Abdel-Salam M.M. 2016. Effect of foliar application witg humic acid and 2 antioxidant on ruby seedless grapevine, Middle East Journal of Agriculture Research, 5(2): 123-131.
3. Abedini J. 2009. Kiwi: Physiology and technology processing industry and principles of cold storage, Tehran, Danesh Negar publication. Second Edition, (In Persian).
4. Ameri A., and Tehranifar A. 2012. Effect of humic acid on nutrient uptake and physiological characteristic Fragaria ananassa var Camarosa, Journal Biological Environ sciences, 6(16): 77-79.
5. AOAC. 1989. Official Methods of Analysis, 14th ed. Association of Official Agricultural Chemist, Washington DC, 241-254.
6. Arnon A.N. 1967. Method of extraction of chlorophyll in the plants, Agronomy Journal, 23: 112-121.
7. Asgharzade A., and Babaeian M. 2012. Ivestigating the effects of humic acid and acetic acid foliar application on yield and leaves nutrient content of grape (vitis vinifera), African Journal of Microbiology Research, 6(31): 6049-6054.
8. Aydin A., Turan M., and Sezen Y. 1999. Effect of fulvic and humic application on yield nutrient uptake in sunflower (Helianthus annuus) and corn (zea mays). Soil Scienc, 6: 249-252.
9. Bakhshandeh A., Soltani A., and Ghadirian. 2011. Leaf area index measurement by AccuPAR instrument in wheat, Journal of Plant Production Research. (18)4: 97-102. (In Persian with English abstract).
10. Baldi E., Toselli M., Eissenstat D.M., and Marangoni B. 2010. Organic fertilization leads to increased peach root production and lifespan. Tree Physology, 30: 1373-1382.
11. Cavalcante I.H.L., DaSilva R.R.S., Albano F.G., DeLima F.N., and Marques D.S.2011. Foliar spray of humic acid on seedling production of papava (pawpaw), Journal of Agronomy, 10(4): 118-122.
12. Chintzier Mand H., and Schulten R. 1998. New ideas on the chemical make-up of soil humic and fulvic acids, In: Huang P.M., (Ed.), Future Prospects for Soil Chemistry, Soil Science Society of America, Madison: 155–178
13. Delfine S., Tognetti R., and Desiderio E. 2005. Effect of foliar application of N and humic acids on growth and yield of durum wheat, Agronomy Sustain, 25: 183-191.
14. El-Boray M.S.S., Mostafa M.F.M. 2015. Effect of humic acid and fluvic acids with some nutrient at diffrenet time of aoolication on yield and fruits quality of anna apple trees, Journal of Plant Production, 6(3): 307-321.
15. El-Nemr M. A., El-Desuki M., El-Bassiony A. M., and FawzyZ. F. 2012. Response of growth and yield of cucumber plants (Cucumis sativus L.) to different foliar applications of humic acid and bio-stimulators, Australian Journal of Basic and Applied Sciences, 6(3): 630-637.
16. Fagbenro J.A., and Agboola, A.A. 1993. Effect of different levels of humic acid on the growth and nutrient uptake of teak seedlings, Journal of Plant Nutr, 16(8): 1465-1483.
17. Fallahi E., Fallahi B., and Seyedbagheri M. 2006. Infuence of humic substance and nitrogen on yield, fruit quality, and leaf mineral elements of early spur Rome apple, Journal of Plant Nutrition, 29: 1819-1833.
18. Fathi M.A., Gabr M.A., and El Shall SA. 2010. Effect of humic acid treatment on Canino apricot growth yield and fruit quality. New York Science, 3: 212-225.
19. Ferrara G., Brunetti G. 2010. Effects of the times of application of a soil humic acid on berry quality of table grape (Vitis vinifera L.) cv. Italia, Spanish Journal of Agricultural Research, 8(3): 817-822.
20. Fernandez–Escobar R., Benlloch M., Barranco D., Duenas A., and Guterrez Ganan J.A. 1996. Response of olive trees to foliar application of humic substance extracted from leonardite, Scintia Horticulturae. 66: 191-200.
21. Grossl P. R., and Inskeep W.P. 1991. Precipitation of dicalcium phosphate dihydrate in the presence of organic acids, Soil Science Society of America Journal, 55: 670-675.
22. Hagagg L.F., Shahin M.F.M., Mustafa N.S., and Mervad M.A. 2013. Influence of using humic acid during full bloom and fruit set stages on productivity and fruit quality of Kalamata olive trees, Journal of Applied Science Research, 9(3): 2287-2292.
23. Haghighi M., Kafi M., and Fang P. 2012. Photosynthetic activity and N metabolism of lettuce as affected by humic acid, International Journal of Vegetable Science, 18: 182-189.
24. Ho M. M., Burcher S., and ching L. L. 2008. Food futures now, ISIS TWN Report. P. 2, http://www.i-sis.org.uk/foodFutures,php, Accessed on April 3. 2016.
25. James B., Rodel D., Lorettu U., Reynaldo E., and Tariq H. 2008. Effect of vesicular arbescular mycorrhiza (VAM) fungi inoculation on coppicing ability and drought resistance of Senna Spectabilis, Pakistan Journal of Botany, 40(5): 2217-2224.
26. Javanshah A., and Nasab A.N. 2016.The effecy of humic acid and calcium on morpho-physiological trait and mineral nutrient uptake of pistachio seedling under salinity stress, Journal of Nuts, 7(2): 1-11.
27. Khadem Dalir F. 2017. Effect of humic acid at Different Levels of Nitrogen on mineral nutrient uptake in Strawberry, Thesis M.Sc, Department of Horticultural science – Pomology, University of Mohaghegh Ardabili.83pp.
28. Mohamadineia G.H., Hosseini S., Farahi M., and DastyaranM. 2015. Foliar and soil drench application of humic acid on yield and berry propertices of askari grapevine, Aricultural Communications Journal, 3(2): 21-27.
29. Moraditochaee M. 2012. Effectsof Humic Acid Folior Sprayingand nitrogen fertilizer management on yield of peanut (Arachis hypogaea L.) in Iran, ARPN Journal of Agricultural and Biological Science, 7(4): 289-293.
30. Motighi h. 2009. Kiwi. Tehran, Soroush Hedayat Publication. Page 72. ( In Persian)
31. Nardi S., Pizzeghello D., Muscolo A., and Vianello A. 2002. Physiological effects of humic substances on higher plants, Soil Biochem, 34(11): 1527-1536.
32. Ngullie C.R., Tank V.R., and Bhanderi D.R. 2014. Effect of salicylic acid and humic acid on flowering, fruiting, yield and quality of mango (Mangifera indica CV KESAR, Hind Agricultural Research and Training Institute, 5(2): 136-139.
33. Payton F. V. 1990. The effect of nitrogen fertilizer on the growth and development of the potato in warm tropics: Dissertation abstract international, the sciences and engineering, 50(9): 33-71.
34. Prakash P., Samundeeswari R., Navaneethan G., Padmaja P., Ramakrishnan B., and Chatterjee A. 2013. Influence of potassium humate on Morus alba and analysis their nutrients content, International Journal of Agronomy and Agricultural Research. 3(6): 1-6.
35. Rauthan B.S., and Schnitzer M. 1981. Effects of soil fulvic acid on the growth and nutrient content of cucumber (Cucumus sativus) plants, Plant Soil, 63: 491-495.
36. Rostami M. 2016. Effecte of humic acid application methods and rates of nitrogen on vegetative, reproductive and post-harvest characteristics of strawberry fruit (Fragaria ananassa Duch.) cv. Paros. MSc Thesis. Mohaghegh Ardabili University, Ardabil, Iran (In Persian).
37. Saki Nejad T., Hossaini S., and Hyvari M. 2011. Calculate changes of bean germination process in the presence of various compounds of biological fertilizer humic acid mixed with micro and macro elements, Journal of American Science, 7(6): 1014-1020.
38. Sanchez–Sanchez A., Sanchez–Andreu J., Juarez M., Jorda J., and Bermudez D. 2006. Imporvement of iron uptake in table grape by addition of humic substancecs, Journal of Plant Nutrition, 29(2): 259-272.
39. Sanchez–Sanchez A., Sanchez–Anderu J., Juarez M., Jorda J., and Bermudez D. 2002. Humic substances and amino acid improve effectiveness of chelate FeEDDHA in Lemons trees, Journal of Plant Nutrition, 25(11): 2433-2442.
40. Shaaban F.K., Morsey M.M., and Mahmoud T.Sh.M. 2015. Influence of spraying yeast extract and humic acid on fruit maturity stage and storablitity of canino apricot fruits, International Journal of ChemTec Research, 8(6): 530-543.
41. Shiri. Rangjbar R.A., and Molkotti M.J. 2001. The effect of foliar application, nitrogen, zinc and boron on quantitative and qualitative characteristics of seedless grapes, Journal of Soil and Water Sciences, 14(12): 195-203. (In Persian with English summary)
42. Stevenson F.J. 1991. Organic matter-micronutrient reactions in soil. In: Mortvedt J.J., Cox F.R., Shuman L.M., Welch R.M. (Eds.). Micronutrients in Agriculture, Soil Science Society of America, Madison, 145-186.
43. Tana N.T., and El-Ghany K.M. 2016. Some horticultural and pathological studies to reduce fruit of anna apple and increase fruit set yield and improve fruit quality and storability, Journal of American Science, 12(1): 104-122.
44. Vaughan D., and MacDonald I.R. 1976. Some effects of humic acid on cation uptake by parenchyma tissue, Soil Biology & Biochemistry, 8: 415-421.
45. Yildirim E. 2007.Foliar and soil fertilization ofhumic acid affect productivity and quality of tomato, Acta Agriculture Scandinavia Journal, 57: 182-186.
46. Wang S. Y., and Lin S. 2002. Compost as soil supplement enhanced plant growth and fruit quality of strawberry, Journal of Plant Nutrition, 25: 2243-2259.
47. Zachariakis A., Tzorakakis E., Kritsotakis I., Siminis C.I., and Manios V. 2001. Humic substances stimulate plant growth, nutrient accumulation in grapevine rootstocks, Acta Horticulture Journal, 549: 131-136.