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Information Journal Paper

Title

COMPARISON OF THE GROWTH OF INDUSTRIAL EUCALYPTUS SPECIES AND CULTIVARS IN TROPICAL REGION OF MEHRAN

Pages

 Start Page 83 | End Page 91

Abstract

 Many species used in forestation could survive even in severe conditions, but considering the GROWTH and economic efficiency is also important. EUCALYPTUS species are important sources for the production of wood, paper, fuel, and oils that are commonly used for planting the forests in the tropics. The purpose of this study was to evaluate the GROWTH of adaptable species and cultivars, industrial and fast growing EUCALYPTUS, for planting in inefficient lands of dry areas in Ilam province. For this purpose, the vegetative GROWTH of eight species and varieties of EUCALYPTUS including E. camaldulensis (from four origins), E. sargentii, E. microtheca, E. melliodora and E. saligna were investigated in a five-year period.in a randomized complete block design with three replicates in Mohsenab research station of MEHRAN, Ilam. The data analysis was performed using ANOVA and Duncan's multiple range tests in SAS software. The results indicated that there is a significant difference between species and cultivars in terms of indicators of height, trunk diameter, and canopy.E. camaldulensis is superior regarding to vegetative GROWTH index in this study compared to other species. Three varieties of this species has an annual production of between two to five cubic meters per hectare, Shafarood variety has shown annual yield of more than 35 m per ha.

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