Variations in vegetative traits of white poplar (Populus alba L.) for wood farming in riverbanks of Zayandehrood River in Isfahan

Document Type : Research article

Authors

1 Research Expert, Research Division of Natural Resources, Isfahan Agricultural and Natural Resources Research and Education Center, AREEO

2 Associate Prof., Research Division of Natural Resources, Mazandaran Agricultural and Natural Resources Research and Education Center, AREEO

Abstract

In traditional poplar farming, predicting growth rates in different stands is required to evaluate poplar wood production. Six white poplar (Populus alba L.) stands in river bank of Zayandehrood River in Isfahan province were selected for the present study. Attributes including tree diameter, height, diameter and volume growth rates were measured and calculated. The raw data were subjected to analysis of variance (ANOVA), and the means were separated by Duncan methods. The ANOVA results showed that the effect of P. alba stands on height, diameter, mean growth and the basal area were highly significant (P<0.01). In addition, significant effect was observed for the yield per ha timber volume (P<0.05). The 4th stand showed the greatest diameter, height and basal area, whereas the 6th stand revealed the highest timber volume per ha. Results also showed that the annual growth rates in difference stands ranged from 16.53 to 47.25 m3 per ha, which was affected by both stands and plant densities. This maximum timber production was reached at the maximum plant density. The study concluded that an adequate plant density and proper stand management are crucially effective on quality and quantity of poplar timber production.

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References

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Iranian Journal of Forest and Poplar Research
Volume 24, Issue 3 - Serial Number 65
September 2016
Pages 528-520

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