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Journal of Agricultural Science and Technology، جلد ۱۲، شماره ۲، صفحات ۱۹۱-۲۰۱
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عنوان انگلیسی Climate Change Impact on Bioclimatic Deficiency, Using MicroLEIS DSS in Ahar Soils, Iran
چکیده انگلیسی مقاله Regional impact studies of the future climate change effects are necessary because projected changes in meteorological variables differ from one region to another, and different climate systems can react in varied ways to the same changes. In this study, the effects of climate change on bioclimatic deficiency were compared in two cultivation methods (irrigated and rainfed) in a semi-arid region, Ahar (East Azarbaijan, IRAN). The agricultural land uses selected for evaluation were wheat (Triticum aestivum), alfalfa (Medicago sativa), sugar beet (Beta vulgaris), potato (Solanum tuberosum), and maize (Zea mays). In this way, Terraza model included in the land evaluation decision support system, called MicroLEIS DSS, was used. Terraza gives a quantitative prediction of a site bioclimatic deficiency. Soil morphological and analytical data were obtained from 44 sampling points based on a grid survey. Agro-climatic data, referred to temperature and precipitation, were collected from weather stations located in Ahar region, which benefits from more than 20 consecutive years of weather data. A future scenario of climate change was calculated according to the Intergovernmental Panel on Climate Change (IPCC) on regions of Asia under scenario A1FI (highest future emission) for 2080s. Although, increasing of precipitation being available by climate change in the future scenario, humidity index will be reduced because of high temperature. The results showed that climate change is likely to cause severe water stress in irrigated cultivation of alfalfa, sugar beet, potato, and maize, the use of irrigation methods being essential to maintain agricultural productivity. Although irrigation is indicated as very important in this regime of semi-arid agriculture, cultivation of rainfed wheat can be possible instead of the irrigated one. Also, it is revealed that climate perturbation effects on rainfed conditions are more serious than those on the irrigated conditions in the area.
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نویسندگان مقاله f شهبازی |
department of soil science, faculty of agriculture, university of tabriz, tabriz, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تبریز (Tabriz university)

علی اکبر جعفرزاده | a a
department of soil science, faculty of agriculture, university of tabriz, tabriz, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تبریز (Tabriz university)

f سرمدیان |
department of soil science, faculty of agriculture, university of tehran, karaj, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

محمدرضا نیشابوری | m r
department of soil science, faculty of agriculture, university of tabriz, tabriz, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تبریز (Tabriz university)

sh اوستان |
department of soil science, faculty of agriculture, university of tabriz, tabriz, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تبریز (Tabriz university)

m anaya romero | anaya romero
consejo superior de investigaciones científicas csic , instituto de recursos naturales y agrobiología de sevilla irnas , avda. reina mercedes 10, 41012 sevilla, españa

d د لا رزا | de la rosa
consejo superior de investigaciones científicas csic , instituto de recursos naturales y agrobiología de sevilla irnas , avda. reina mercedes 10, 41012 sevilla, españa

نشانی اینترنتی http://jast.modares.ac.ir/article_4366_ae10b3f8e82846c69d973062668052cf.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/476/article-476-494893.pdf
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