1. Abdel-Mawgoud, A.M.R., El-Greadly, N.H.M., Helmy, Y.I., Singer, S.M. (2007). Responses of tomato plants to different rates of humic-based fertilizer and NPK fertilization. Journal of Applied Sciences Research, 3(2), 169-174.
2. Abdullah, A.T., Hanafy, M.S., EL-Ghawwas, E.O., Ali, Z.H. (2012). Effect of compost and some biofertilizers on growth, yield, essential oil productivity and chemical composition of Rosmarinus officinalis L. plants. Journal of Horticultural Science & Ornamental Plants, 4(2), 201-214.
3. Akbari Charmhini, S., Moalemi, N. (2011). The effect of gibberellic acid on vegetative growth of olive seedlings (Olea europaea L.). Journal of Horticultural Sciences (Agricultural Sciences and Industries), 24(2): 184-188 (In Persian).
4. Growth and flowering of black iris (Iris nigricans Dinsm.) following treatment with plant growth regulators
5. Allahvirdizadeh, N., Nazari Deljou, M.J. (2014). Effect of humic acid on morph-physiological traits, nutrients uptake and postharvest vase life of pot marigold cut flower (Calendula officinalis cv. Crysantha) in hydroponic system. Journal of Science and Technology of Greenhouse Culture, 5(2), 133-143 (In Persian).