1.Abdelli, M., Moghrani, H., Aboun, A. and Maachi, R. 2016. Algerian Mentha pulegium L. leaves essential oil: Chemical composition, antimicrobial, insecticidal and antioxidant activities. Ind. Crop P. 94: 197-205.

2.Abedi, M.H., Seghatoleslami, M.J. and Mousavi, S.G.R. 2014. Effects of irrigation intervals and nitrogen fertilizer levels on vegetative and reproductive yields of basil (Ocimum basilicum L.) under Birjand conditions. Agroecol.5: 4. 342-349.

3.Aflatuni, A. 2005. The yield and essential oil connect of mint (Mentha spp) in Northern Ostrobothnia. Faculty Sci. Dep. Biology, Uni. Oulu. 52p.

4.Akbarpour, V., Ashnavar, M.and Bahmanyar, M.A. 2016. Effectof manure and chemical fertilizeron physiological and phytochemical properties of coneflower. Agric. Crop Manage. 18: 3. 701-711.

5.Alsuhaibani, A.M., ALkehayez, N.M., Alshawi, A.H. and Al-Faris, N.A.2017. Effects of chlorophyll on body functioning and blood glucose levels. Asian J. Clin. Nut. 9: 64-70.

6.Amari, G., Alizadeh, A., Alizadeh, O. and Zare, M. 2008. Effects of harvesting time on essential oil composition of Thymus daenensis Celak. J. Invest. Appl. Med. Plants. 1: 3. 47-56.

7.Ashraf, M., Qasim, A. and Zafar, I. 2006. Effect of nitrogen application rate on the content and composition of oil, essential oil and minerals in black cumin (Nigella sativa L.) seeds. J. Sci. Food Agric.86: 871-876.

8.Bouyahya, A., Et-Touys, A., Bakri, Y., Talbaui, A., Fellah, H., Abrini, J. and Dakka, N. 2017. Chemical composition of Mentha pulegium and Rosmarinus officinalis essential oils and their antileishmanial, antibacterial and antioxidant activities. Micro Pathogen. 111: 41-49.

9.Dadkhah, A., Kafi, M. and Rasam, G. 2009. The effect of planting date and plant density on growth traits, yield quality and quantity of Matricaria (Matricaria chamomilla). J. Hort. Sci.23: 2. 100-107.

10.Delfin, S., Tognetti, R., Dsiderio, E. and Alvino, A. 2005. Effect of foliar application of N and humic acids on growth and yield of durum wheat. Agro. Sustainable Devel. 25: 183-191.

11.Dordas, C.A. and Sioulas, C. 2007. Safflower yield, chlorophyll content, photosynthesis and water use efficiency response to nitrogen fertilization under rain fed conditions. In. Crop P. 27: 75-85.

12.Draycott, A.T. and Webb, D.J. 1973. Effects of nitrogen fertilizer, plant population and irrigation on sugarbeet. J. Agri. Sci. 76: 52-54.

13.Heidari, M. and Jahantighi, H.2013. Evaluate effect of water stressand different amounts of nitrogen fertilizer on seed quality of black cumin (Nigella sativa L.). Iran. J. Field Crop. Res. 11: 4. 640-647.

14.Hokmalipour, S. 2017. Evaluate the effect of plant growth promoting rhizobacteria (PGPR) and nitrogen fertilizer on yield and some agronomic and physiological traits of medicinal plant of peppermint (Mentha piperita L.). J. Plant Eco. 9: 28. 133-144.

15.Izadi, Z., Ahmadvand, G., Asna Ashri, M. and Piri, J. 2010. Effect of nitrogen and plant density on some growth characteristic, yield and essence in peppermint. Iran. J. Field. Crops Res. Pp: 824-836. (In Persian with English Abstract)

16.Jabarpour, S., Zehtab-Salmasi, S., Alyari, H., Javanshir, A. and Shakiba, M.R. 2013. Effects of sowing time
and plant density on yield and essential oil production of medicinal plant, peppermint (Mentha piperita L.). Agroecol. 5: 4. 416-423.

17.Jacobo-Velázquez, D.A. and Cisneros-Zevallos, L. 2017. Recent advances in plant phenolics. Molecules. 22: 1249.

18.Jafari, S. and Sharei, F. 2015. The survey of female gametophyte development and effect of Sodium Chloride stress on ontogeny of flower's components in Mentha Pulegium L. J. Plant Res.(Iran. J. Biol.). 28: 2. 276-284.

 19.Jones, J. and Benton, J. 2012. Plant nutrition and soil fertility manual, 2^nd Edition, CRC Press Inc., Boca Raton, FL. 304p.

20.Jones, J. 2001. Laboratory guide for conducting soil tests and plant analysis. CRC Press, Boca Raton. USA. 384p.

21.Lichtenthaler, H.K. and Buschmann, C. 2001. Chlorophylls and carotenoids: Measurement and characterization by UV-VIS spectroscopy. Curr. Protocol. Food Anal. Chem. F4.3.1-F4.3.8.

22.Lu, N., Bernardo, E.L., Tippayadarapanich, C., Takagaki, M., Kagawa, N. and Yamori, W. 2017. Growth and accumulation of secondary metabolites in perilla as affected by photosynthetic photon flux density and electrical conductivity of the nutrient solution. Plant Sci. 8: 708.

23.Madadi Bonab, S., Zehtab Salmasi, S. and Ghassemi Golezani, K. 2012. The effect of irrigation and nitrogen fertilizer on morphological characteristics and essential oil percentage and yield of dill (Anethum graveolens L.). J. Agric. Sci. Sust. Prod. 22: 2. 91-100.

24.Maffei, J. and Mucciarelli, M. 2003. Essential oil yield in peipper mint-soybean strip-cropping. Field Crop. Res. 84: 229-240.

25.Marschner, P. 2012. Mineral nutritionof higher plants. Academic Press, Waltham, MA, USA.

26.Muller, V., Lankes, C., Zimmermann, B.F., Noga, G. and Hunsche, M. 2013. Centelloside accumulation in leaves of  centella asiatica is determined by resource partitioning between primary and secondary metabolism while influenced by supply levels of either nitrogen, phosphorus or potassium. J. Plant Physio. 170: 13. 1165-1175.

27.Munene, R., Changamu, E., Korir, N. and Joseph, G.O. 2017. Effects of different nitrogen forms on growth, phenolics, flavonoids and antioxidant activity in amaranth species. Trop. Plant Res. 4: 1. 81-89.

28.Omidbaigi, R., Fattahi, F., Fattahi, F. and Karimzadeh, G.h. 2010. Harvest time affect on the herb yield and essential oil content of lemon thyme (Thymus × citriodorus (Pers.) Schreb). Iran. J. Med. Aromt. Plants. 26: 3. 317-325.

29.Ouakouak, H., Chohra, M. and Denane, M. 2015. Chemical composition, antioxidant activities of the essential oil of Mentha pulegium L. South East of Algeria. In. L. Natur. Sci. 39: 49-55.

30.Poshtdar, A., Abdali Mashhadie, A.R., Moradi, F., Siadat, S.A. and Bakhshandeh, A. 2016. Effect of source and rate of nitrogen fertilizer on yield and water and nitrogen use efficiency of peppermint (Mentha piperita L.). Iran. J. Crop Sci. 18: 1. 13-31.

31.Pouryousef, M., Mazaheri, D., Chaiechi, M.R., Rahimi, A. and Tavakoli, A. 2010. Effect of different soil fertilizing treatments on some of agro morphological traits and mucilage of isabgol (Plantago ovata Forsk). Sci. J. Crop P. 3: 193-213.

32.Ren, B., Liu, W., Zhang, J., Dong, S., Liu, P. and Zhao, B. 2017. Effects of plant density on the photosynthetic and chloroplast characteristics of maize under high-yielding conditions. Natur Wiss. 104: 3-4. 12.

33.Saeb, K. and Gholamrezaee, S. 2012. Variation of essential oil composition of Melissa officinalis L: leaves during different stages of plant growth. Asian Pac J. Trop Biomed. 2: 2. 547-549.

34.Saidi Goraghani, H., Yazdani Biouki, R., Saidi Goraghani, N. and Sodaeezadeh, H. 2014. Effect of different nitrogen sources and levels on quantitative and qualitative characteristics of parsley (Petroselinum crispum Mill.) in Jiroft Region. Iran. J. Field Crop. Res. 12: 2. 316-327.

35.Sifola, M.I. and Barbieri, G. 2006. yield and essential oil content of three cultivars of basil grown under different levels of nitrogen in the field. Sci. Hort. 108: 408-413.

36.Singleton, V.L., Orthofer, R. and Lamuela-Raventos, R.S. 1999. Analysis of total phenols and other oxidation substrates and antioxidants by meansof Folin-Ciocalteu reagent. Method. Enzymol. A. 299: 152-178.

 37.Soni, U., Brar, S. and Gauttam, V.K. 2015. Effect of seasonal variationon secondary metabolites of medicinal plants. Int. J. Pharm. Sci. Res.6: 9. 3654-3652.

38.Tabrizi, L., Zavvari, A. and Yazdani, D. 2017. Response of growth and yield of stevia (Stevia rebaudiana Bertoni) to planting space and harvesting time. Iran. J. Hort. Sci. 48: 2. 317-327.

39.Tazeh, K., Piri, E. and Mostafavirad, M. 2016. Effects of plant density on flower and essential oil yield and some important agronomic indices in Borage (Borago officinalis L.). J. Plant Prod. Res. 22: 4. 87-100.

40.Zantar, S., E.l. Garrouj, D., Pagán,R., Chabi, M., Laglaoui, A., Bakkali,M. and Zerrouk, M.H. 2015. Effectof harvest time on yield, chemical composition, antimicrobial and antioxidant activities of Thymus vulgaris and Mentha pulegium essential oils. Europ. J. Med. Plants. 8: 2. 69-77.

41.Zeinali, H., Hosseini, H. andShirzadi, M.H. 2014. Effects of nitrogen fertilizer and harvest time on agronomy, essential oil and menthol of Mentha piperita L. Iran. J. Med. Aromat. Plants. 30: 3. 486-495.

42.Zhao, J. 2006. The effect of nitrogen fertilization on spearmint. J. E. Res.18: 452-455.

43.Zlatić, N.M. and Stanković, M.S. 2017. Variability of secondary metabolites of the species Cichorium intybus L. from different habitats. Plants. 6: 38.