Evaluation of drought effect on dryland barley production performance in selected counties of Azarbayjan-Sharghi province

داداشیان, معصومه and سادات ساعی, فرینا and دشتی, قادر and سلامی, سروین Evaluation of drought effect on dryland barley production performance in selected counties of Azarbayjan-Sharghi province. In: 2nd International and 6th National Iranian Congress on Organic vs. Conventional Agriculture, August 2019, Ardabil, Iran.

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Abstract

Recognition Climate factors and their influence on agricultural products is the one of the most important factors in the performance and productions changes, and this topic in dryland Conditions, Especially barley as a strategic product is more important. According to this, to investigate the impacts of drought on yield of barley in dryland of selected cities of East Azarbayjan province, that data from this province has been used. So Climate data and economics information of dryland barley in East Azarbayjan during the period of 1364-1392 years in the Ministry of Agricultural is available.in this study for survey of impacts of drought we use Regression and Pearson correlation tests were performed using SPI standard rainfall index. Result of Regression Analysis shows that The occurrence of drought in Tabriz, Ahar and Maragheh has a significant relation with the yield of barley in these areas and drought exacerbation reduces yield in these zones. as well as result of The correlation between rainfall and barley performance showed that there is a positive and significant relationship between them and the standard rainfall index is in the same direction with the yield of dryland barley in the studied areas.

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