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Detremining the allowable use of Stipa hoheneckeriana in Kordan rangelands of Karaj | ||
| تحقیقات مرتع و بیابان ایران | ||
| Article 6, Volume 21, Issue 4, March 2015, Pages 631-642 PDF (242.56 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.22092/ijrdr.2016.13067 | ||
| Authors | ||
| Ghader Karimi; Hasan Yeghaneh* ; Hasan Barati; Farhang Ghasriani | ||
| Abstract | ||
| A proper utilization of rangelands could result in preventing degradation, maintaining desirable species and improving range condition, leading to longterm and economic production. This research was aimed to investigate the allowable use of Stipa hohenckeriana in Kordan rangelands. In this study, a reference area of one hectare was selected and fenced in the first year of the study. Treatments included four harvesting intensities of 25, 50 and 75% and 0 (control group). Finally, data were analyzed using split plot design in time with 10 replications for each treatment. Data analysis was performed by SAS software. Results showed that the effects of harvesting intensity, different years and their interactions on the forage production were significant at 1% level of probability, indicating that in different years, production rate varied with varying climate conditions. According to the results, an allowable use of 25% is recommended for Stipa hohenckeriana in the study area. The recommended allowable use can be used in determining the allowable use for the study area and areas of similar climate, along with information from other plants. | ||
| Keywords | ||
| range condition; forage production; Climate; vitality; mortality | ||
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