COMPARISON OF PURE AND MIXED STANDS OF POPULUS DELTOIDES

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JALALI GH.A.; HOSSEINI SEYED MOHSEN; AKBARINIA A.; ASHKIKI R.B.

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Journal: Year:2003 | Volume:16 | Issue:1 (58 IN NATURAL RESOURCES) Page(s): 82-88

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Title

COMPARISON OF PURE AND MIXED STANDS OF POPULUS DELTOIDES

Author(s)

JALALI GH.A. | HOSSEINI SEYED MOHSEN | AKBARINIA A. | ASHKIKI R.B. | Issue Writer Certificate

Keywords

POPULUSQ3

CUPRESSUSQ4

PULPQ4

PLANTATIONQ3

PURE FORESTQ4

MIXED FORESTQ4

Abstract

Parts of artificial forest with 10 hectars area were selected in northern forests of Iran. This forest were estabilished in two forms (pure and mixed stands) with POPULUS delta ides in 1987.20 plots were selected for consideration (10 plots in each stand). The diameter at breast height and height of trees, length and diameter of crown, healthy, vitality, volume and growth of trees and soil in all plots were considered. 12 trees (6 trees in each stand) were cut for wood physical and chemical analysing. The results are following:Thickness of liffer layer was more in pure POPULUS stand. The situations of soil in two stands were similar. The growth of trees was more in pure POPULUS stand. The quality of trees in pure stand was better than mixed stand. The fiber lumen was more in wood of pure stand, therefore, the burst and tensil resistence and breaking length in this stand was more than mixed stand. The wood density in mixed stand greater than pure stand. As the percent of lignin and extraction material in pure stand is less and its cellulos is more than mixed stand, therefore pure stand is more suitable for PULPwood. As a whole, because the mixed stand having variety production resistence against pestes and fungi and more uses of soil and space better than pure stand, but the base of different conditions of climate, site and uses of wood the selection of pure or mixed stands is different. In this area the pure stands of POPULUS in some objects especial for PULPwood more better than mixed stands.

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APA: Copy

JALALI, GH.A., HOSSEINI, SEYED MOHSEN, AKBARINIA, A., & ASHKIKI, R.B.. (2003). COMPARISON OF PURE AND MIXED STANDS OF POPULUS DELTOIDES. PAJOUHESH-VA-SAZANDEGI, 16(1 (58 IN NATURAL RESOURCES)), 82-88. SID. https://sid.ir/paper/19357/en

Vancouver: Copy

JALALI GH.A., HOSSEINI SEYED MOHSEN, AKBARINIA A., ASHKIKI R.B.. COMPARISON OF PURE AND MIXED STANDS OF POPULUS DELTOIDES. PAJOUHESH-VA-SAZANDEGI[Internet]. 2003;16(1 (58 IN NATURAL RESOURCES)):82-88. Available from: https://sid.ir/paper/19357/en

IEEE: Copy

GH.A. JALALI, SEYED MOHSEN HOSSEINI, A. AKBARINIA, and R.B. ASHKIKI, “COMPARISON OF PURE AND MIXED STANDS OF POPULUS DELTOIDES,” PAJOUHESH-VA-SAZANDEGI, vol. 16, no. 1 (58 IN NATURAL RESOURCES), pp. 82–88, 2003, [Online]. Available: https://sid.ir/paper/19357/en

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