Effects of planting interval and soil type on volume production and slenderness index of poplar (Populus nigra L.) plantations in Diwandareh region (Kurdistan province, western Iran)
Allison L.E. (1975): Organic carbon. In: Black C.A. (ed.): Methods of Soil Analysis. Part 2. Madison, American Society of Agronomy: 1367–1378.
Amani M., Ekhlasy G., Esmaeil Nia M., Hosseini V. (1996): The primary outcome quantitative and qualitative surveys and forest plantations (case study: The mass of Acer Imam Abdullah Amol). Pajouhesh-va-Sazandegi, 31: 6–21.
Anonymous (2011): Explanatory Poplar Plantation Plan. Divandarreh, Natural Resources and Watershed Management Office of Divandarreh: 30.
Baki B.B., Suhaimi S., Monir J.A. (1995): Path analysis of two sympatric graminoids (Echinochloa crus-galli spp. crus-galli (L.) Beauv. and Ischaemum rugosum Salisb.) in competion with rice (Oryza saliva L. var. MR84). In: Proceedings of the 15th Asian-Pacific Weed Science Society Conference, Tsukuba, July 24–28, 1995: 546–556.
Bremner J.M., Mulvaney C.S. (1982): Nitrogen – total. In: Page A.L., Miller R.H., Keeney D.R. (eds): Methods of Soil Analysis. Part 2. Chemical and Microbiological Properties. 2nd Ed. Madison, American Society of Agronomy, Soil Science Society of America: 595–624.
Burgess P. J., Incoll L. D., Corry D. T., Beaton A., Hart B. J. (2005): Poplar (Populus spp) growth and crop yields in a silvoarable experiment at three lowland sites in England. Agroforestry Systems, 63, 157-169 https://doi.org/10.1007/s10457-004-7169-9
DeBell D.S., Harrington C.A., Shumway J. (2002): Thinning Shock and Response to Fertilizer Less Than Expected in Young Douglas-fir Stand at Wind River Experimental Forest. Research Paper PNW-547. Portland, USDA Forest Service, Pacific Northwest Research Station: 20.
Donegan Katherine K, Watrud Lidia S, Seidler Ramon J, Maggard Sharon.P, Shiroyama Tamotsu, Porteous L.Arlene, DiGiovanni George (2001): Soil and litter organisms in Pacific northwest forests under different management practices. Applied Soil Ecology, 18, 159-175 https://doi.org/10.1016/S0929-1393(01)00155-X
Dorostkar H. (1984): Application procedures tree farms in dilapidated lands. In: Proceedings of the Tree Farms Revive the Forest and Forest Countries Conference. 1st Vol.: The Country’s Forests and Pastures, place of conference?, date of conference?: 26.
Espahbodi K., Kharankeh S., Mahmudi M. (2013): Ten years effect of planting space on some quantitative and qualitative characteristics of ash (Fraxinus excelsior L.) in reforestation. Iranian Journal of Forest, 5: 173–182. (in Persian with English abstract)
Evans J (1997): Silviculture of hardwoods in Great Britain. Forestry, 70, 309-314 https://doi.org/10.1093/forestry/70.4.309
Gholizadeh M., Pourmoradi S., Mahdavi R. (2004): Optimum plantation spacing with maple and alder at a lowland site of the Caspian forests of Iran. Iranian Journal of Forest and Poplar Research, 12: 327–338. (in Persian)
Hemmati A., Modir-Rahmati A.R. (1999): The most suitable spacing of poplar clones North – Iran (Gilan province). Iranian Journal of Forest and Poplar Research, 2: 53–78. (in Persian with English abstract)
Hemmati V., Kiarostami S.N., Mahdavi S., Nicotalb A. (2014): Impact of soil type on the cross sectional area growth amount and volume of Populous deltoides in the east of Guilan province. In: Proceedings of the 2nd National Student Conference of Forest Science, Tehran, May 7–8, 2014: 6.
KERR G. (1995): Silviculture of ash in southern England. Forestry, 68, 63-70 https://doi.org/10.1093/forestry/68.1.63
Kerr G., Evans J. (1993): Growing Broadleaves for Timber. Forestry Commission Handbook No. 9. London, HMSO: 95.
Khan G.S., Chaudhry A.K. (2007): Effect of spacing and plant density on the growth of poplar (Populus deltoides) trees under agroforestry system. Pakistan Journal of Agricultural Sciences, 44: 321–327.
Kiadeliri S., Tabari M., Sarmadian F., Ziayi Ziabari F. (2004): Effect of soil type on some quantitative and qualitative char-acteristics of Populus × euramericana. Pajouheshva-Sazandegi, 17: 45–50.
KNEZEVIC STEVAN Z., EVANS SEAN P., MAINZ MIKE (2003): Row Spacing Influences the Critical Timing for Weed Removal in Soybean (Glycine max) 1
. Weed Technology, 17, 666-673 https://doi.org/10.1614/WT02-49
Krinard R.M., Johnson R.L. (1984): Cottonwood Plantation Growth through 20 Years. Research Paper SO-212. New Orleans, USDA Forest Service, Southern Forest Experiment Station: 11.
Lal R. (2005): Forest soils and carbon sequestration. Forest Ecology and Management, 220, 242-258 https://doi.org/10.1016/j.foreco.2005.08.015
Majidi H. (2010): Study of ecological factor of medicinal plant in Saral region in Diwandareh. [MSc Thesis.] Sari, Sari Agricultural Sciences and Natural Resources University: 85.
Marvie-Mohadjer M.R. (1975): About the quality of Fagus properties. [Ph.D. Thesis.] Zürich, ETH: 106.
Murphy S.D., Yakub Y., Weise S., Swanton C.J. (1996): Effect of planting patterns and inter-row cultivation on competition between corn (Zea mays) and late emerging weeds. Weed Science, 44: 856–870.
Olsen S.R., Cole C.V., Watenabe F.S., Dean L.A. (1954): Estimation of Available Phosphorus in Soils by Extraction with Sodium Bicarbonate. Circular No. 939. Washington, D.C., United States Department of Agriculture: 19.
Pedlar John H, McKenney Daniel W, Fraleigh Saul (2006): Planting black walnut in southern Ontario: midrotation assessment of growth, yield, and silvicultural treatments. Canadian Journal of Forest Research, 36, 495-504 https://doi.org/10.1139/x05-256
Pourbabaei H., Shadram S., Khorasani M. (2004): Comparison of plant biodiversity in Alnus subcordata L. and mixed Fraxinus coriariifolia – Acer insigne plantations, Tanian region, Someasara, Guilan. Iranian Journal of Biology, 17: 357–368.
Radcliffe R.C., Matson E.D., Mattson J.A. (1981): Tree-planting interval indicator. Tree Planters’ Notes, 32: 13–14.
Rezayi S.A. (2011): Impact of distance on quantitative and qualitative characteristics of walnut (Juglans regia L.) plantation. Iranian Journal of Forest and Poplar Research, 19: 206–221.
Riahifar N., Fallah A., Mohammadi Samani K., Gorji Mahlabani Y. (2008): Comparing the growth of Paulownia and poplar species with different planting distances in north of Iran. Iranian Journal of Forest and Poplar Research, 16: 444–454.
Schreiner E.J. (1959): Production of Poplar Timber in Europe and Its Significance and Application in the United States. Agriculture Handbook No. 150. Washington, D.C., USDA Forest Service: 124.
Shujauddin N (2003): Ailanthus triphysa at different densities and fertiliser regimes in Kerala, India: growth, yield, nutrient use efficiency and nutrient export through harvest. Forest Ecology and Management, 180, 135-151 https://doi.org/10.1016/S0378-1127(02)00609-6
Wenqiang Xu Chen X., Luo G., Zhang Q., Lin Q. (2010): Soil properties at the tree limits of the coniferous forest in response to varying environmental conditions in the Tianshan Mountains, Northwest China. Environmental Earth Sciences, 63: 741–750.
Woods R.F., Hanover J.W. (1982): Groof Imperial Carolina poplar over a range of soil types in Lower Michigan. Tree Planters’ Notes, 33: 8–13.
Zobeyri M. (2005): Forest Inventory. Tehran, Tehran University Press: 401.