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Articles by Roghayyeh Zabihi-e-Mahmoodabad
Total Records ( 1 ) for Roghayyeh Zabihi-e-Mahmoodabad
  Shahzad Jamaati-e-Somarin , Mohammad Hassanzadeh , Fariborz Peyghami and Roghayyeh Zabihi-e-Mahmoodabad
  In order to evaluate the effect of nitrogen rates and plant populations on growth and chlorophyll content of durum wheat Seymare cultivar during the growing season, a factorial experiment based on randomized complete block design with three replications was conducted in the research center for agriculture, Islamic Azad University, Ardabil branch, Ardabil, Iran in 2008-2009 growing season. Factors included nitrogen rates: 0, 60, 120 and 180 kg ha-1 and plant populations: 300, 350 and 400 plant m-2. Date of appearance of some growth stages, growth of the leaves and stems in terms of number and dry weight and also, leaf chlorophyll content during the growing season was recorded. Results showed that with increasing nitrogen application, some aspects such as stem dry weight, number of leaf, stem and tiller along with the leaf chlorophyll content were increased and with increasing plant population per unit area, vegetative growth period and leaf chlorophyll content were decreased, while the reproductive growth period, leaf and stem dry weight and the number of leaf, stem and tiller were increased.
 
 
 
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