Document Type : Original Article
1 Young Researchers and Elite Club, Karaj Branch, Islamic Azad University, Karaj, Iran
2 Department of Agronomy, Islamic Azad University, Karaj Branch, Karaj, Iran
The goal of this research is the determining of planting date and providing agricultural calendar for corn in Kermanshah province using climatic elements of temperature and rain fall. so, at first, long term climatic statistics are collected from 2001 to 2011 and then considered to temperature and rain fall parameters like absolute maximum and minimum in region during growth period, planting date, germinating date, flowering date, rape date, rape period and also harvesting date of corn. all of the required statistics and information is derived from data base of meteorology organization and information and statistics of agricultural research center and using statistical methods and SPSS, Smada, Mini Tab, applications used for analyzing and GIS for depicting maps, results show that determining of planting and harvesting date based on weather conditions in Kermanshah province during studied statistical period, best planting date id ordibehesht 12th and best harvesting date based on planting date is shahrivar 28th.