Integrated application of biological and chemical fertilizers on bean (Phaseolus vulgaris) under Rasht climate conditions

This research، for lowering the use of chemical fertilizer، was carried out using combinations of biological and chemical fertilizer on bean in Rasht region in 2012 growing season. The experiment was conducted based on randomized complete blocks design with 12 treatments and three replications. Experimental treatments included: control (no fertilizers and no inoculants)، chemical fertilizers (nitrogen and phosphorus) and 10 combinations of inoculated biological (Rhizobium، Pseudomonas، and Bacillus) fertilizers together with chemical fertilizers. Results showed that grain yield، biological yield، 100 grain weight، stem diameter، protein content and protein yield were significantly affected (p).