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Paper Information

Journal:   IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH   FALL 2017 , Volume 24 , Number 3 (68) #R00445; Page(s) 471 To 477.
 
Paper: 

Allowable use of Stipa barbata in semi-steppe rangelands of Iran

 
 
Author(s):  MOHEBBY ALI*, GHASRIANI F., BAYAT M., RAHMANI GH.H., KHODAHAMI GH., ABARSAJI GH.A., DEHGHANI TAFTI M.A., SAGHAFI KHADEM F.
 
* Rangeland Research Division, Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
 
Abstract: 
To investigate the allowable use of Stipa barbata, five sites were selected in the semisteppe rangelands of the country. In the beginning of grazing season, 40 individuals were selected in each site and protected from grazing. Different harvesting treatments were applied including control, 25%, 50%, and 75%. The simulation method was applied to calculate the production and harvestig rate. The mortality, height, and seed production rate of the study species were also evaluated after application of treatments. The data were collected over the years of the research and analyzed in a split plot design based on completely randomized design with SAS and SPSS software. The means of traits were compared with Duncan test. The interaction of treatments was analyzed using the AMMI model with IRRISTAT software. Our results clearly showed that an allowable use of 50% could be recommended as the allowable harvesting rate for Stipa barbata in similar sites.
 
Keyword(s): Allowable use,Stipa barbata,semi-steppe
 
References: 
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