List of Articles Open Access Article Abstract Page Full-Text 1 - Effect of different levels of nitrogen fertilizer on vegetative and reproductive growth of marigold (Calendula officinalis L.) Farzaneh Bahadori Mohammad Kazemi Elham Morteza Open Access Article Abstract Page Full-Text 2 - Evaluation of new rice lines based on qualitative and quantitative characteristics Alireza Tarang Morteza Nasiri Saeid Bakhshipour Open Access Article Abstract Page Full-Text 3 - Investigation of genetic variation among some Iranian apple genotypes using RAPD marker Shahin Jahangirzadeh Khiavi Hassan Noorafkan Sima Damyar Open Access Article Abstract Page Full-Text 4 - Effect of crop density and application of reduced dosages of two post-emergence herbicides on broadleaf weeds biomass and yield and yield components of broomcorn (Sorghum vulgare var. technicum) Hamed Raeisi Jahanfar Daneshian Mohammad Ali Baghestani Soleiman Jamshidi Open Access Article Abstract Page Full-Text 5 - Natural enemies of Colorado potato beetle, Leptinotarsa decemlineata (Say) and population fluctuation of green lacewing, Chrysoperla carnea Stephen in potato fields of Ardabil plain, Iran Hossein Ranjbar Aghdam Open Access Article Abstract Page Full-Text 6 - Effect of different NH4+/NH4+ + NO3- ratios on some qualitative and quantitative characteristics of fruit in Gala and Golab Kohanz Esfahan apple cultivars Salim Mohammad Sokri Mesbah Babalar Hosein Lesani Mohammad Ali Asgari Open Access Article Abstract Page Full-Text 7 - Effects of auxins and environmental conditions on rooting of semi-hardwood stem cuttings of bottle brush (Callistemon viminalis Sol.) Ali Reza Motahhari Open Access Article Abstract Page Full-Text 8 - Weed management in sunflower using cover crops Alireza Yousefi Mohammad Anjil Eli