An investigation on the relationship between crown indices and the severity of oak forests decline in Ilam
The first sign of any stress in trees usually appears in the status and morphology of the crown. Therefore, the cause of disease symptoms or oak decline in Zagros forests could also be checked by the status of the crown. For this purpose, 223 oak tree (in four levels of healthy, low, moderate and se...
Format: | Article |
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Language: | fas |
Published: |
Iranian Society of Forestry
2015-06-01
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Series: | مجله جنگل ایران |
Subjects: | |
Online Access: | http://www.ijf-isaforestry.ir/article_10076_418d154f46f10cbaa07a3071dc33ec3b.pdf |