THE EFFECTS OF AGROFORESTRY PRACTICES ON PHYSICAL PROPERTIESIN OF POPLUS WOOD IN RADIAL AND LONGITUDINAL AXES

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EFHAMI SISI D.; KARIMI A.N.; POURTAHMASI K.; ASADI F.; MOHAMADZADEH M.

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Paper Information

Journal: IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES Year:2012 | Volume:2 | Issue:2 Page(s): 53-64

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Title

THE EFFECTS OF AGROFORESTRY PRACTICES ON PHYSICAL PROPERTIESIN OF POPLUS WOOD IN RADIAL AND LONGITUDINAL AXES

Author(s)

Keywords

POPULUS NIGRAQ3

DENSITYQ3

SHRINKAGEQ3

ALFALFAQ2

INITIAL SPACINGQ2

RADIAL AND LONGITUDINAL AXIS OF TREEQ2

Abstract

The effects of intercropping with ALFALFA as well as initial tree spacing on physical variations of populous nigra betulifoliawood in radial and longitudinal axes are reported. Material was harvested from an agroforestry trial near Karaj city, Iran. Treatments included four initial-spacing between poplar trees intercropped with ALFALFA as a nitrogen-fixing plant, as well as one control treatment (without ALFALFA). Intercropping with ALFALFA had a negative effect on wood DENSITY and SHRINKAGE, but increasing INITIAL SPACING had a positive effect on them. Wood DENSITY, radial and tangential SHRINKAGE decreased in longitudinal axis from bottom to top of tree trunk, whereas longitudinal SHRINKAGE increased. Wood DENSITY and SHRINKAGE in radial axis and at breast height level decreased from pith to bark; by 25% and 50% of tree this pattern was inverted for wood DENSITY. Statistical analysis showed the variation of SHRINKAGE between treatments and in longitudinal axis was followed as DENSITY variation, but in radial axis DENSITY was not only effective factor on SHRINKAGE.

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APA: Copy

EFHAMI SISI, D., KARIMI, A.N., POURTAHMASI, K., ASADI, F., & MOHAMADZADEH, M.. (2012). THE EFFECTS OF AGROFORESTRY PRACTICES ON PHYSICAL PROPERTIESIN OF POPLUS WOOD IN RADIAL AND LONGITUDINAL AXES. IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES, 2(2), 53-64. SID. https://sid.ir/paper/184267/en

Vancouver: Copy

EFHAMI SISI D., KARIMI A.N., POURTAHMASI K., ASADI F., MOHAMADZADEH M.. THE EFFECTS OF AGROFORESTRY PRACTICES ON PHYSICAL PROPERTIESIN OF POPLUS WOOD IN RADIAL AND LONGITUDINAL AXES. IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES[Internet]. 2012;2(2):53-64. Available from: https://sid.ir/paper/184267/en

IEEE: Copy

D. EFHAMI SISI, A.N. KARIMI, K. POURTAHMASI, F. ASADI, and M. MOHAMADZADEH, “THE EFFECTS OF AGROFORESTRY PRACTICES ON PHYSICAL PROPERTIESIN OF POPLUS WOOD IN RADIAL AND LONGITUDINAL AXES,” IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES, vol. 2, no. 2, pp. 53–64, 2012, [Online]. Available: https://sid.ir/paper/184267/en

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