Investigation and comparison of vegetative characteristics of the medicinal species of Salvia hydrangea and its relationship with soil Properties in three habitats of The Euclid region, Fars Province

Document Type : Original Article

Authors

Department of Rangelands and Watershed Management, Faculty of Natural Resources, Yazd University, Yazd, Iran.

10.22091/ethc.2025.12191.1049

Abstract

Objective: The purpose of this study is to investigate the habitat conditions of Salvia hydrangea species in order to - identify and obtain practical information and use it in programs for the exploitation of medicinal plants from rangelands.
Methods: For this research, three habitats of this species in the Euclid County were selected. In each habitat, three random points were chosen, and at each point, two 100-meter transects perpendicular to each other were laid out. Within each transect, two 1-square-meter plots were systematically determined. In each transect, vegetative cover parameters (including percentage of plant cover, canopy cover, and plant density) were measured. In each plot, the amount of production was also measured. Soil sampling was conducted at the root depth in each area with three replications. The samples were analyzed using an analysis of variance (ANOVA) and regression analysis for comparison.
Results: According to the results, there were significant differences in production, percentage of cover, and Salvia hydrangea density at the 99% confidence level, as well as total density at the 95% confidence level among the three areas. The results showed a significant difference in soil organic matter content at the 95% confidence level and phosphorus content at the 99% confidence level between the three areas. Regression analysis results indicated a positive and direct relationship between soil phosphorus content and the production of Salvia hydrangea (R² = 0.78).
Conclusion: Based on these findings, it appears that Salvia hydrangea exhibits better growth and development in soils with higher phosphorus content compared to other locations. Therefore, applying an appropriate amount of phosphorus fertilizer in areas where this species is present could effectively enhance its growth, development, and productivity.

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References

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