Determining the probability of proper work days for operations of sewing corn in Qazvin Province
Subject Areas :
Keywords: soil, Tillage, runoff, good days work, Drainage,
Abstract :
Each year, due to the absence of an accurate mechanical and agricultural calendar to do sewing corn, it should be pay much cost to reach an appropriate performance. In order to implementing sewing corn operation in this province, there is an optimal time. If it is not done the sewing operation in the suitable time range, it will make a reduction in performance rate and the increase of cost. It was done a research to determine appropriate work days for sewing corn operation in Qazvin province, in 1392. At first, there were other steps ofresearch include accumulation of required information about restricting factors for sewing corn operation, accumulating statistics and last year's weather information. The obtained results show that if there is a proper condition, broadleaf and thin leaf weeds inter to the fields each year in the specific time and in the specific time range they destroy the field. This specific range for any of them was identified through performed investigation. It was obtained the range of proper work days for sewing corn operation with 95% probability,taking account to identification the time range for combatting to weeds and made analyzes regarding to the restricting factors in that time
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