RSM modeling of nitrogen use efficiency, biomass and essential oil of Salvia officinalis L. as affected by fertilization and plant density

References

• Abbaszadeh, B., F. Sefidkon, M. Layegh Haghighi, and E. Karegar Hajiabadi. 2014. The effect of planting time and planting density on yield and essential oil of Satureja sahendica Bornm. Journal of Medicinal Plants and by-Products 3 (2):141–6. https://jmpb.areeo.ac.ir/article_108726.html.
   Google Scholar
• Abbaszadeh, B., F. Safikhani, and M. Layegh Haghighi. 2017. Effects of irrigation interval and nitrogen amount on different clary sage (Salvia sclarea L.) characters in Karaj. Journal of Medicinal Plants and by-Products 6 (2):139–44. https://jmpb.areeo.ac.ir/article_113536.html.
   Web of Science ®Google Scholar
• Addiscott, T. M. 1983. Kinetics and temperature relationships of mineralization and nitrification in Rothamsted soils with different histories. Journal of Soil Science 34 (2):343–53. doi: 10.1111/j.1365-2389.1983.tb01040.x.
   Google Scholar
• Akumaga, U., A. Tarhule, and A. A. Yusuf. 2017. Validation and testing of the FAO AquaCrop model under different levels of nitrogen fertilizer on rainfed maize in Nigeria, West Africa. Agricultural and Forest Meteorology 232:225–34. doi: 10.1016/j.agrformet.2016.08.011.
   Web of Science ®Google Scholar
• Anderson, M. J., and P. J. Whitcomb. 2015. DOE simplified: Practical tools for effective experimentation, 3rd ed. Boca Raton, FL: CRC Press.
   Google Scholar
• Aulakh, M. S., and S. S. Malhi. 2005. Interactions of nitrogen with other nutrients and water: Effect on crop yield and quality, nutrient use efficiency, carbon sequestration, and environmental pollution. Advances in Agronomy 86:341–409. 10.1016/S0065-2113(05)86007-9.
   Web of Science ®Google Scholar
• Basiri, M. H., and F. Nadjafi. 2019. Effect of plant density on growth, yield and essential oil characteristics of Iranian Tarragon (Artemisia dracunculus L.) landraces. Scientia Horticulturae 257:108655. doi: 10.1016/j.scienta.2019.108655.
   Web of Science ®Google Scholar
• Ben Taarit, M., K. Msaada, K. Hosni, M. Hammami, M. E. Kchouk, and B. Marzouk. 2009. Plant growth, essential oil yield and composition of sage (Salvia officinalis L.) fruits cultivated under salt stress conditions. Industrial Crops and Products 30 (3):333–7. doi: 10.1016/j.indcrop.2009.06.001.
   Web of Science ®Google Scholar
• Bettaieb, I., N. Zakhama, W. Aidi Wannes, M. E. Kchouk, and B. Marzouk. 2009. Water deficit effects on Salvia officinalis fatty acids and essential oils composition. Scientia Horticulturae 120 (2):271–5. doi: 10.1016/j.scienta.2008.10.016.
   Web of Science ®Google Scholar
• Bezerra, M. A., R. E. Santelli, E. P. Oliveira, L. S. Villar, and L. A. Escaleira. 2008. Response surface methodology (RSM) as a tool for optimization in analytical chemistry. Talanta 76 (5):965–77. doi: 10.1016/j.talanta.2008.05.019.
   PubMed Web of Science ®Google Scholar
• Bingham, I. J., A. J. Karley, P. J. White, W. T. B. Thomas, and J. R. Russell. 2012. Analysis of improvements in nitrogen use efficiency associated with 75 years of spring barley breeding. European Journal of Agronomy 42:49–58. doi: 10.1016/j.eja.2011.10.003.
   Web of Science ®Google Scholar
• Burducea, M., V. D. Zheljazkov, I. Dincheva, A. Lobiuc, G. C. Teliban, V. Stoleru, and M. M. Zamfirache. 2018. Fertilization modifies the essential oil and physiology of basil varieties. Industrial Crops and Products 121:282–93. doi: 10.1016/j.indcrop.2018.05.021.
   Web of Science ®Google Scholar
• Conceição Lima, M., C. Jovelina da-Silva, M. Paim Mariot, R. Antônio Freitag, R. Serpa, G. Aver Ribeiro, and L. do Amarante. 2020. Effect of shading and nitrogen fertilization on nitrogen metabolism, essential oil content and antimicrobial activity of Achillea millefolium. Acta Scientiarum: Biological Sciences 42 (1): e46412. 10.4025/actascibiolsci.v42i1.46412.
   Google Scholar
• Damtew, Z., B. Tesfaye, and D. Bisrat. 2011. Leaf, essential oil and artemisinin yield of artemisia (Artemisia annua L.) as influenced by harvesting age and plant population density. World Journal of Agricultural Sciences 7:404–12. http://www.idosi.org/wjas/wjas7(4)/6.pdf.
   Google Scholar
• de Freitas, T. F., B. B. Rissato, A. L. Müller, D. B. Brustolin, S. Coltro-Roncato, O. D. F. Dildey, G. P. de Freitas, and H. F. C. Mendonça-Müller. 2016. Development and production of chia (Salvia hispanica L.) in different space arrangements. African Journal of Agricultural Research 11:4384–8. 10.5897/AJAR2016.11588.
   Google Scholar
• Degu, B., and S. Amano. 2020. Effect of harvesting age and plant spacing on growth, yield and yield component of Lavender (Lavandula angustifolia L.) under Rainfed condition at Hawassa, Southern Ethiopia. International Journal of Research Studies in Agricultural Sciences 6:17–24. 10.20431/2454-6224.0606003.
   Google Scholar
• Dimkpa, C. O., and P. S. Bindraban. 2016. Fortification of micronutrients for efficient agronomic production: A review. Agronomy for Sustainable Development 36 (1):7. doi: 10.1007/s13593-015-0346-6.
   Web of Science ®Google Scholar
• Ding, W., X. Xu, P. He, S. Ullah, J. Zhang, Z. Cui, and W. Zhou. 2018. Improving yield and nitrogen use efficiency through alternative fertilization options for rice in China: A meta-analysis. Field Crops Research 227:11–8. doi: 10.1016/j.fcr.2018.08.001.
   Web of Science ®Google Scholar
• Ehsanipour, A., J. Razmjoo, and H. Zeinali. 2012. Effect of nitrogen rates on yield and quality of fennel (Foeniculum vulgare Mill.) accessions. Industrial Crops and Products 35 (1):121–5. doi: 10.1016/j.indcrop.2011.06.018.
   Web of Science ®Google Scholar
• El Gendy, A. G., A. E. El Gohary, E. A. Omer, S. F. Hendawy, M. S. Hussein, V. Petrova, and I. Stancheva. 2015. Effect of nitrogen and potassium fertilizer on herbage and oil yieldof chervil plant (Anthriscus cerefolium L.). Industrial Crops and Products 69:167–74. doi: 10.1016/j.indcrop.2015.02.023.
   Web of Science ®Google Scholar
• El Habbasha, S. F., M. H. Mohamed, E. M. Abd El-Lateef, B. B. Mekki, and M. E. Ibrahim. 2013. Effect of combined zinc and nitrogen on yield, chemical constituents and nitrogen use efficiency of some chickpea cultivars under sandy soil conditions. World Journal of Agricultural Sciences 9:354–60. 10.5829/idosi.wjas.2013.9.4.1761.
   Google Scholar
• El-Sawi, S. A., and M. A. Mohamed. 2002. Cumin herb as a new source of essential oils and its response to foliar spray with some micro-elements. Food Chemistry 77 (1):75–80. doi: 10.1016/S0308-8146(01)00326-0.
   Web of Science ®Google Scholar
• Emami Bistgani, Z., S. A. Siadat, A. Bakhshandeh, A. Ghasemi Pirbalouti, M. Hashemi, F. Maggi, and M. R. Morshedloo. 2018. Application of combined fertilizers improves biomass, essential oil yield, aroma profile, and antioxidant properties of Thymus daenensis Celak. Industrial Crops and Products 121:434–40. doi: 10.1016/j.indcrop.2018.05.048.
   Web of Science ®Google Scholar
• Ghiasy-Oskoee, M., M. AghaAlikhani, F. Sefidkon, A. Mokhtassi-Bidgoli, and M. Ayyari. 2020. Blessed thistle growth, essential oil content, yield and composition as influenced by plant density and nitrogen fertilizer. Journal of Essential Oil Bearing Plants 23 (2):276–91. doi: 10.1080/0972060X.2020.1747553.
   Web of Science ®Google Scholar
• Govahi, M., A. Ghalavand, F. Nadjafi, and A. Sorooshzadeh. 2015. Comparing different soil fertility systems in Sage (Salvia officinalis) under water deficiency. Industrial Crops and Products 74:20–7. doi: 10.1016/j.indcrop.2015.04.053.
   Web of Science ®Google Scholar
• Hadian, J., M. Hekmati, and M. Ghorbanpour. 2016. Agromorphological variations and essential oil production of Satureja khuzestanica jamzad under different planting densities. Journal of Essential Oil Bearing Plants 19 (5):1102–10. doi: 10.1080/0972060X.2014.1001138.
   Web of Science ®Google Scholar
• Hänsch, R., and R. R. Mendel. 2009. Physiological functions of mineral micronutrients (Cu, Zn, Mn, Fe, Ni, Mo, B, Cl). Current Opinion in Plant Biology 12 (3):259–66. doi: 10.1016/j.pbi.2009.05.006.
   PubMed Web of Science ®Google Scholar
• Hawkesford, M. J. 2012. Improving nutrient use efficiency in crops. In eLS. Chichester: John Wiley & Sons, Ltd. 10.1002/9780470015902.a0023734.
   Google Scholar
• Heldt, H. W., and B. Piechulla. 2011. Plant biochemistry, 4th ed. London, UK: Academic Press. doi: 10.1016/C2009-0-63188-3.
   Google Scholar
• Jiang, W., K. Wang, Q. Wu, S. Dong, P. Liu, and J. Zhang. 2013. Effects of narrow plant spacing on root distribution and physiological nitrogen use efficiency in summer maize. The Crop Journal 1 (1):77–83. doi: 10.1016/j.cj.2013.07.011.
   Google Scholar
• Jimayu, G., A. Gebre, and B. Mengesha. 2016. Response of lemongrass (Cymbopogon citratus L) varieties for different intra and inter row spacing at Wondo genet, Southern Ethiopia. Academic Research Journal of Agricultural Science and Research 4:279–84. doi: 10.14662/ARJASR2016.035.
   Google Scholar
• Kanwal, N., M. A. Hanif, M. M. Khan, T. M. Ansari, and K. Rehman. 2016. Effect of micronutrients on vegetative growth and essential oil contents of Ocimum sanctum. Journal of Essential Oil Bearing Plants 19:980–8. doi: 10.1080/0972060X.2016.1188735.
   Web of Science ®Google Scholar
• Khalid, A. K. 2015. Quality and quantity of Pimpinella anisum L. essential oil treated with macro and micronutrients under desert conditions. International Food Research Journal 22:2396–402. http://www.ifrj.upm.edu.my/22%20(06)%202015/(31).pdf.
   Web of Science ®Google Scholar
• Kihara, J., G. W. Sileshi, G. Nziguheba, M. Kinyua, S. Zingore, and R. Sommer. 2017. Application of secondary nutrients and micronutrients increases crop yields in sub-Saharan Africa. Agronomy for Sustainable Development 37 (4):25. doi: 10.1007/s13593-017-0431-0.
   Web of Science ®Google Scholar
• Koocheki, A., M. Nassiri Mahallati, R. Moradi, and H. Mansoori. 2014. Optimizing water, nitrogen and crop density in canola cultivation using response surface methodology and central composite design. Soil Science and Plant Nutrition 60 (2):286–98. doi: 10.1080/00380768.2014.893535.
   Web of Science ®Google Scholar
• Kucukyumuk, Z., S. Erbas, I. Erdal, H. Baydar, and F. Eraslan. 2015. Effect of different nitrogen doses on plant growth, quality characteristics and nutrient concentrations of lavandin (Lavandula× intermedia Emeric ex Loisel. var. Super A). Journal of Essential Oil Bearing Plants 18 (1):36–43. doi: 10.1080/0972060X.2014.960279.
   Web of Science ®Google Scholar
• Kumar, R., S. Sharma, and V. Pathania. 2013. Effect of shading and plant density on growth, yield and oil composition of clary sage (Salvia sclarea L.) in north western Himalaya. Journal of Essential Oil Research 25 (1):23–32. doi: 10.1080/10412905.2012.742467.
   Web of Science ®Google Scholar
• Kumar, R., S. Sharma, and S. Sood. 2014. Yield components, light interception and marker compound accumulation of stevia (Stevia rebaudiana Bertoni) affected by planting material and plant density under western Himalayan conditions. Archives of Agronomy and Soil Science 60 (12):1731–45. doi: 10.1080/03650340.2014.909029.
   Web of Science ®Google Scholar
• Madandoust, M., and M. Fooladchang. 2018. Effect of nitrogen fertilizer on essential oil content and its compositions in Anethum graveolens L. Journal of Essential Oil Bearing Plants 21 (5):1266–71. doi: 10.1080/0972060X.2018.1544934.
   Web of Science ®Google Scholar
• Malakouti, M. J. 2008. The Effect of micronutrients in ensuring efficient use of macronutrients. Turkish Journal of Agriculture and Forestry 32:215–20. http://journals.tubitak.gov.tr/agriculture/issues/tar-08-32-3/tar-32-3-7-0801-41.pdf.
   Google Scholar
• Marschner, H. 2012. Marschner's mineral nutrition of higher plants, 3rd ed. London, UK: Academic Press.
   Google Scholar
• Mary, J., H. K. Veeranna, G. K. Girijesh, B. C. Dhananjaya, and S. Gangaprasad. 2018. Effect of different spacings and fertilizer levels on growth parameters and yield of chia (Salvia hispanica L.). International Journal of Pure & Applied Bioscience 6 (2):259–63. doi: 10.18782/2320-7051.6040.
   Google Scholar
• Misra, A., S. Dwivedi, A. K. Srivastava, D. K. Tewari, A. Khan, and R. Kumar. 2006. Low iron stress nutrition for evaluation of Fe-efficient genotype physiology, photosynthesis, and essential monoterpene oil(s) yield of Ocimum sanctum. Photosynthetica 44 (3):474–7. doi: 10.1007/s11099-006-0054-1.
   Web of Science ®Google Scholar
• Misra, A., A. K. Srivastava, N. K. Srivastava, and A. Khan. 2005. Zn-acquisition and its role in growth, photosynthesis, photosynthetic pigments, and biochemical changes in essential monoterpene oil(s) of Pelargonium graveolens. Photosynthetica 43 (1):153–5. doi: 10.1007/s11099-005-3155-3.
   Web of Science ®Google Scholar
• Moghimipour, Z., M. Mahmoodi Sourestani, N. Alemzadeh Ansari, and Z. Ramezani. 2017. The effect of foliar application of zinc on essential oil content and composition of holy basil (Ocimum sanctum) at First and Second Harvests. Journal of Essential Oil Bearing Plants 20 (2):449–58. doi: 10.1080/0972060X.2017.1284609.
   Web of Science ®Google Scholar
• Mohammadi, M.,. N. Majnoun Hoseini, M. R. Chaichi, H. Alipour, M. Dashtaki, and S. Safikhani. 2018. Influence of nano-iron oxide and zinc sulfate on physiological characteristics of peppermint. Communications in Soil Science and Plant Analysis 49 (18):2315–26. doi: 10.1080/00103624.2018.1499766.
   Web of Science ®Google Scholar
• Montgomery, D. C. 2012. Design and analysis of experiments, 8th ed. USA: John Wiley & Sons, Inc.
   Google Scholar
• Nasiri, Y., and N. Najafi. 2015. Effects of soil and foliar applications of iron and zinc on flowering and essential oil of chamomile at greenhouse conditions. Acta Agriculturae Slovenica 105 (1):33–41. doi: 10.14720/aas.2015.105.1.04.
   Google Scholar
• Nasiri, Y., S. Zehtab-Salmasi, S. Nasrullahzadeh, N. Najafi, and K. Ghassemi-Golezani. 2010. Effects of foliar application of micronutrients (Fe and Zn) on flower yield and essential oil of chamomile (Matricaria chamomilla L.). Journal of Medicinal Plants Research 4:1733–7. https://academicjournals.org/journal/JMPR/article-full-text-pdf/8AFCCB322605.
   Google Scholar
• Oenema, O., H. P. Witzke, Z. Klimont, J. P. Lesschen, and G. L. Velthof. 2009. Integrated assessment of promising measures to decrease nitrogen losses from agriculture in EU-27. Agriculture, Ecosystems and Environment 133 (3-4):280–8. doi: 10.1016/j.agee.2009.04.025.
   Web of Science ®Google Scholar
• Peng, S., R. J. Buresh, J. Huang, J. Yang, Y. Zou, X. Zhong, G. Wang, and F. Zhang. 2006. Strategies for overcoming low agronomic nitrogen use efficiency in irrigated rice systems in China. Field Crops Research 96 (1):37–47. doi: 10.1016/j.fcr.2005.05.004.
   Web of Science ®Google Scholar
• Piccaglia, R., M. Marotti, and V. Dellacecca. 1997. Effect of planting density and harvest date on yield and chemical composition of sage oil. Journal of Essential Oil Research 9 (2):187–91. doi: 10.1080/10412905.1997.9699457.
   Google Scholar
• Radušienė, J., M. Marksa, L. Ivanauskas, V. Jakštas, Ö. Çalişkan, D. Kurt, M. S. Odabaş, and C. Çirak. 2019. Effect of nitrogen on herb production, secondary metabolites and antioxidant activities of Hypericum pruinatum under nitrogen application. Industrial Crops and Products 139:111519. doi: 10.1016/j.indcrop.2019.111519.
   Web of Science ®Google Scholar
• Rahmati, M., M. Azizi, M. H. Khayyat, H. Nemati, and J. Asili. 2011. Yield and oil constituents of chamomile (Matricaria chamomilla L.) flowers depending on nitrogen application, plant density and climate conditions. Journal of Essential Oil Bearing Plants 14 (6):731–41. doi: 10.1080/0972060X.2011.10643996.
   Web of Science ®Google Scholar
• Rao, B. R. R. 2001. Biomass and essential oil yields of rainfed palmarosa (Cymbopogon martinii (Roxb.) Wats. var. motia Burk.) supplied with different levels of organic manure and fertilizer nitrogen in semi-arid tropical climate. Industrial Crops and Products 14 (3):171–8. doi: 10.1016/S0926-6690(01)00081-4.
   Web of Science ®Google Scholar
• Rezaei-Chiyaneh, E., S. Rahimi, A. Rahimi, H. Hadi, and H. Mahdavikia. 2018. Response of seed yield and essential oil of black cumin (Nigella sativa L.) affected as foliar spraying of nano-fertilizers. Journal of Medicinal Plants and by-Products 1:33–40. http://jmpb.areeo.ac.ir/article_116726.html.
   Google Scholar
• Rioba, N. B., F. M. Itulya, M. Saidi, N. Dudai, and N. Bernstein. 2015. Effects of nitrogen, phosphorus and irrigation frequency on essential oil content and composition of sage (Salvia officinalis L.). Journal of Applied Research on Medicinal and Aromatic Plants 2 (1):21–9. doi: 10.1016/j.jarmap.2015.01.003.
   Web of Science ®Google Scholar
• Saglam, C., I. Atakisi, H. Turhan, S. Kaba, F. Arslanoglu, and F. Onemli. 2004. Effect of propagation method, plant density, and age on lemon balm (Melissa officinalis) herb and oil yield. New Zealand Journal of Crop and Horticultural Science 32 (4):419–23. doi: 10.1080/01140671.2004.9514323.
   Web of Science ®Google Scholar
• Saki, A., H. Mozafari, K. K. Asl, B. Sani, and M. Mirza. 2019. Plant yield, antioxidant capacity and essential oil quality of Satureja mutica supplied with cattle manure and wheat straw in different plant densities. Communications in Soil Science and Plant Analysis 50 (21):2683–93. doi: 10.1080/00103624.2019.1670835.
   Web of Science ®Google Scholar
• Shah, F., and W. Wu. 2019. Soil and crop management strategies to ensure higher crop productivity within sustainable environments. Sustainability 11 (5):1485. doi: 10.3390/su11051485.
   Web of Science ®Google Scholar
• Sifola, M. I., and G. Barbieri. 2006. Growth, yield and essential oil content of three cultivars of basil grown under different levels of nitrogen in the field. Scientia Horticulturae 108 (4):408–13. doi: 10.1016/j.scienta.2006.02.002.
   Web of Science ®Google Scholar
• Singh, M., M. Masroor, A. Khan, and M. Naeem. 2016. Effect of nitrogen on growth, nutrient assimilation, essential oil content, yield and quality attributes in Zingiber officinale Rosc. Journal of the Saudi Society of Agricultural Sciences 15 (2):171–8. doi: 10.1016/j.jssas.2014.11.002.
   Google Scholar
• Souza, R. S., and L. H. G. Chaves. 2017. Initial growth of chia (Salvia hispanica L.)submitted to nitrogen, phosphorus and potassium fertilization. Australian Journal of Crop Science 11 (05):610–5. doi: 10.21475/ajcs.17.11.05.p442.
   Google Scholar
• Tadesse, N. 2019. Influence of plant population density on growth and yield of Rosemary (Rosmarinus officinalis L.) at Wondo Genet South Ethiopia. African Journal of Agricultural Research 14:1713–9. 10.5897/AJAR2019.13984.
   Google Scholar
• Taiz, L., and E. Zeiger. 2010. Plant physiology, 5th ed. Sunderland, MA: Sinauer Associates Inc.
   Google Scholar
• Verma, R. S., R. C. Padalia, and A. Chauhan. 2015. Harvesting season and plant part dependent variations in the essential oil composition of Salvia officinalis L. grown in northern India. Journal of Herbal Medicine 5 (3):165–71. doi: 10.1016/j.hermed.2015.04.004.
   Web of Science ®Google Scholar
• Vilanova, C. M., K. P. Coelho, T. R. S. A. Luz, D. B. P. Silveira, D. F. Coutinho, and D. G. de Moura. 2018. Effect of different water application rates and nitrogen fertilisation on growth and essential oil of clove basil (Ocimum gratissimum L.). Industrial Crops and Products 125:186–97. doi: 10.1016/j.indcrop.2018.08.047.
   Web of Science ®Google Scholar
• Villalobos, F. J., V. O. Sadras, and E. Fereres. 2016. Plant density and competition. In Principles of agronomy for sustainable agriculture chapter: 12, edited by F. J. Villalobos and E. Fereres, 159–68. Cham, Switzerland: Springer. 10.1007/978-3-319-46116-8_12.
   Google Scholar
• Wang, M., L. Wang, Z. Cui, X. Chen, J. Xie, and Y. Hou. 2017. Closing the yield gap and achieving high N use efficiency and low apparent N losses. Field Crops Research 209:39–46. doi: 10.1016/j.fcr.2017.03.016.
   Web of Science ®Google Scholar
• Xie, X., S. Shan, Y. Wang, F. Cao, J. Chen, M. Huang, and Y. Zou. 2019. Dense planting with reducing nitrogen rate increased grain yield and nitrogen use efficiency in two hybrid rice varieties across two light conditions. Field Crops Research 236:24–32. doi: 10.1016/j.fcr.2019.03.010.
   Web of Science ®Google Scholar
• Xu, G., X. Fan, and A. J. Miller. 2012. Plant nitrogen assimilation and use efficiency. Annual Review of Plant Biology 63:153–82. doi: 10.1146/annurev-arplant-042811-105532.
   PubMed Web of Science ®Google Scholar
• Xu, C., S. Huang, B. Tian, J. Ren, Q. Meng, and P. Wang. 2017. Manipulating planting density and nitrogen fertilizer application to improve yield and reduce environmental impact in Chinese maize production. Frontiers in Plant Science 8:1234. doi: 10.3389/fpls.2017.01234.
   PubMed Web of Science ®Google Scholar
• Yadegari, M. 2017. Effects of Zn, Fe, Mn and Cu foliar application on essential oils and morpho-physiological traits of lemon balm (Melissa officinalis L.). Journal of Essential Oil Bearing Plants 20 (2):485–95. doi: 10.1080/0972060X.2017.1325010.
   Web of Science ®Google Scholar
• Yazdani Biouki, R., M. Bannayan Aval, H. Sodaeeizadeh, and H. R. Khazaei. 2014. Evaluation of Yield, Nitrogen Use Efficiency and Radiation Use Efficiency of Wild Majoram in Response to Organic and Chemical Fertilizers. International Journal of Advanced Biological and Biomedical Research (IJABBR) 2:260–71.
   Google Scholar
• Zehtab-Salmasi, S., F. Heidari, and H. Alyari. 2008. Effects of microelements and plant density on biomass and essential oil production of peppermint (Mentha piperita L.). Plant Sciences Research 1:24–6. http://docsdrive.com/pdfs/medwelljournals/psres/2008/24-26.pdf.
   Google Scholar
• Ziaeian, A. H., M. J. Malakouti. 2001. Effects of Fe, Mn, Zn and Cu fertilization on the yield and grain quality of wheat in the calcareous soils of Iran. In Plant nutrition-food security and sustainability of agro-ecosystems, ed. W. J. Horst, 840–1. Hannover: Kluwer Academic. https://link.springer.com/book/10.1007%2F0-306-47624-X.
   Google Scholar
• Zohaib, A., T. Tabassum, A. Jabbar, S. A. Anjum, T. Abbas, A. Mehmood, S. Irshad, M. Kashif, M. Nawaz, N. Farooq, et al. 2018. Effect of plant density, boron nutrition and growth regulation on seed mass, emergence and offspring growth plasticity in cotton. Sci Rep 8 (1):7953. doi: 10.1038/s41598-018-26308-5.
   PubMed Web of Science ®Google Scholar