1. Abedi, T., Mohammadi Limaei, S., Bonyad, A.E. & Torkaman, J. 2018. Optimal rotation age of populus deltoides considering economic value of timber harvesting and carbon sequestration. Austrian Journal of Forest Science, 135: 315-342.
2. Alijanpour,A., Shafiei, A.B. & Latify, R. 2014. Effect of planting interval and soil type on qualitative and quantitative characteristics of poplar (Populus nigra) plantations in Diwandareh (Kurdistan province, western Iran). Journal of Forest Science, 60(3): 89-95. [
DOI:10.17221/9/2014-JFS]
3. Benomar, L., DesRochers, A. & Larocque, G.R. 2012. The effects of spacing on growth, morphology and biomass production and allocation in two hybrid poplar clones growing in the boreal region of Canada. Trees, 26(3): 939-949. [
DOI:10.1007/s00468-011-0671-6]
4. Buyuksari, U., Akbulut, T., Guler, C. & As, N. 2011. Wettability and surface roughness of natural and plantation-grown narrow-leaved ash (Fraxinus angustifolia Vahl.) Wood. BioResources, 6(4): 4721-4730. [
DOI:10.15376/biores.6.4.4721-4730]
5. Daneshvar, H.A. & Modirrahmati, A.R. 2008. Comparison of height, diameter and wood production of 14 poplar clones in Esfahan province. Iranian Journal of Forest and Poplar Research, 16(1): 49-60. [In Persian]
6. Debell, D.S., Keyes C.R. & Gartner, B.L. 2001. Wood density of Eucalyptus saligna grown in Hawaiian plantations: effects of silvicultural practices and relation to growth rate. Australian Forest, 64(2): 106-110. [
DOI:10.1080/00049158.2001.10676173]
7. Druck, N. & Strobl, S. 1991. Type and Timing of Thinning Hybrid Poplar Coppice Affects Growth. Northern Journal of Applied Forestry, 8(4): 165-178. [
DOI:10.1093/njaf/8.4.166]
8. Engindeniz, S. 2003. Determination of Economic and Financial Rotation Lengths of Hybrid Poplar Plantations: The Case of Turkey. Pakistan Journal of Biological Sciences, 6(4): 325-330. [
DOI:10.3923/pjbs.2003.325.330]
9. Faal-Khah, I., Ramezani Kakroudi, E., Alijanpour, A. & Banj Shafiei, A. 2017. The effect of spacing on quantitative and qualitative characteristics of black poplar (Populus nigra L.). Journal of Forest Research and Development, 2(4): 337-351. [In Persian]
10. Fallahnia, M. & Rafighi, A. 2012. The effect of initial spacing on bole form and annual growth of) Acer velutinum(. Journal of Wood & Forest Science and Technology, 19(2): 153-159. [In Persian]
11. Gersonde, R.F. & O'Hara, K.L. 2005. Comparative tree growth efficiency in Sierra Nevada mixed-conifer forests. Forest Ecology and Management, 219: 95-108. [
DOI:10.1016/j.foreco.2005.09.002]
12. Haji-Mirsadeghi, M. 1984. Soil and lands suitable for firing. Forest and Rangelands Organization of Iran press, 39p. [In Persian]
13. Heidari Safari Kouchi, A., Rostami Shahraji, T., Iranmanesh, Y. & Moradianfard, F. 2016. Comparison of product, biomass and kinds of wood consumption of white poplar (Populus alba L.) in four plant spacing. Iranian Journal of Forest, 8(2): 141-152. [In Persian]
14. Hemmati, A. & Modir-Rahmati, A.R. 2005. Effects of spacing on yield of various clones of Populus nigra L. Iranian Journal of Forest and Poplar Research, 13 (3), 343-352. [In Persian]
15. Kapur, S.K. & Dogra, A.S. 1989. Fast growing species for meeting rural and industrial needs of Punjab present status and future needs. Indian Forester, 115: 201-208.
16. Kerr, G. & Evans, J. 1993. Growing broadleaves for timber, forestry commission. London, 95p.
17. Mokhtari, J., Soltani, A., Tabari Kocheksaraee, M., & Sadati, S.E. 2018. Quantitative and qualitative study and index choice to compare four eastern cottonwood (Populus deltoides Bartr. ex Marsh) stands in Gilan and Mazandaran. Iranian Journal of Forest and Poplar Research, 26(3): 368-381. [In Persian]
18. Noori, F.A., Khodakarami, Y. & Modir-Rahmati , A.R. 2015. Comparison of growth and yield of 10 closed-crown Populus nigra clones in second utilization period. Iranian Journal of Forest and Poplar Research, 23(1): 134-142. [In Persian]
19. Zhang, P., Wu, F., Kang, X., Zhao, C. & Li, Y. 2015. Genotypic variations of biomass feedstock properties for Energy in triploid hybrid clones of populus tomentosa. Bioenergy Research, 8: 1705-1713. [
DOI:10.1007/s12155-015-9622-1]
20. Zojaji-Tehrani, H., Payam, H., Rashidi Haghi, R., Rabiei-Rahimabadi, S. & Jahangiri-Poordfarazi, R. 2011. An investigation on increment of populus deltoids in west of Guilan province (Case study on afforeastion of Haftdaghnan in Somesara). Journal of Biology Science, 5(3): 77-85. [In Persian]