Volume 76 (2023)
Volume 75 (2022)
Volume 74 (2021)
Volume 73 (2020)
Volume 72 (2019)
Volume 71 (2018)
Volume 70 (2017)
Volume 69 (2016)
Volume 68 (2015)
Volume 67 (2014)
Volume 66 (2013)
Volume 65 (2012)
Volume 63 (2010)
Volume 62 (2009)
Studying phenology stages Bromus tomentellus Boiss. Species in different years in Kordan rangelands of Alborz province

Ghader Karimi; Hasan Yeganeh; hasan barati

Volume 69, Issue 3 , December 2016, , Pages 699-709


  Rangelands have been composed of different plant species that emergence of phenological stages in every one of them will be influenced by environmental and genetic factors. In order to exploit the time and achieve acceptable performance in each plant species, it is necessary that the emergence of biological ...  Read More

Investigation of production and utilization of Bromus tomentellus Boiss. in Kordan rangeland of Alborz province

Ghader Karimi; hasan Yeganeh; Masoomeh Abassi Khalaki; mehdi moameri; Hadi Afra

Volume 68, Issue 2 , September 2015, , Pages 359-370


  To evaluate the vegetative and productive characteristics and forage utilization by livestock at different stages of Bromus tomentellus Boiss.Phonology, this experiment was carried out during five years in Kordan Rangeland of Alborz province rangelands. So starting the grazing season and livestock entering, ...  Read More

The effect of different intensities of clipping on some of vegetative and reproductive characteristics Ajuga chamaecistus in kordan rangelands of Albroz province

Ghader Karimi; Hasan Yeganeh; Hasan Barati; Farhang Ghasriani

Volume 67, Issue 2 , July 2014, , Pages 305-316


  Due to the growing trend of rangelands degradation, study effects of different harvesting intensities on species in order to gain a more fundamental utilization of ranglands can be effective for reclamation and improvement. The purpose of this research was to study effects of different harvesting intensities ...  Read More