Climatic Potentials in Iran for Soybean Cultivation
The evaluation of environmental conditions in particular climatic conditions of crops such as soybean that have a great economic importance for the country. In this regard, climate regions, with a minimum requirement of soybean cultivation were identified. By choosing a 20-year period from 1989 to 2...
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| Format: | Article |
| Language: | fas |
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University of Tabriz
2016-08-01
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| Series: | نشریه جغرافیا و برنامهریزی |
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| Online Access: | https://geoplanning.tabrizu.ac.ir/article_4984_9824d53ce82191f239a2e86220d52808.pdf |
| _version_ | 1797256943959539712 |
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| author | Hasan Zolfagari Bahman Farhadi Hamid Rahimi |
| author_facet | Hasan Zolfagari Bahman Farhadi Hamid Rahimi |
| author_sort | Hasan Zolfagari |
| collection | DOAJ |
| description | The evaluation of environmental conditions in particular climatic conditions of crops such as soybean that have a great economic importance for the country. In this regard, climate regions, with a minimum requirement of soybean cultivation were identified. By choosing a 20-year period from 1989 to 2008 and precipitation map of Iran on the basis of all available stations over 20 years of daily data completed, three regions with annual rainfall of over 500 mm in the North, West and South West were then determined. To increase precision, creating a virtual stations on the basis of daily maximum and minimum temperatures, areas outside of the internal parts were removed and each of the relevant area, was approved to determine the ultimate potential. Using CGMS software, the minimum temperature, maximum vapor pressure, sunshine hours and wind were estimated for rainfall estimation from Completely Regularized Spline (CRS) method, and Spline Regularize (SR) method was used to estimate relative humidity. In the next phase, the mean rate of deficit in soybean yield in dry land conditions was determined using the CROPWAT. Then, three valuable layers of precipitation, relative humidity and maximum temperature were explained by the use of AHP to determine the weight of each layer which was overlapped. The results showed that in the West and South West regions, with the percentage deficit crop yield of over 50%, conditions are low to moderate but the western half of the country's northern region can be considered suitable for soybean cultivation. Calculations showed that the deficit efficiency of the crop in this region, was less than 10 percent and thus has good potential for rain-fed soybean cultivation. It also became clear that to start rain-fed soybean cultivation in all regions, the month of Ordibehesht was more suitable than other months. |
| first_indexed | 2024-04-24T22:29:47Z |
| format | Article |
| id | doaj.art-c0e9190a33a545e28765553ab166e8c2 |
| institution | Directory Open Access Journal |
| issn | 2008-8078 2717-3534 |
| language | fas |
| last_indexed | 2024-04-24T22:29:47Z |
| publishDate | 2016-08-01 |
| publisher | University of Tabriz |
| record_format | Article |
| series | نشریه جغرافیا و برنامهریزی |
| spelling | doaj.art-c0e9190a33a545e28765553ab166e8c22024-03-19T21:55:21ZfasUniversity of Tabrizنشریه جغرافیا و برنامهریزی2008-80782717-35342016-08-012056891054984Climatic Potentials in Iran for Soybean CultivationHasan Zolfagari0Bahman Farhadi1Hamid Rahimi2Department of Geography, University of RaziDepartment of Geography, University of RaziClimatic hazards Razi UniversityThe evaluation of environmental conditions in particular climatic conditions of crops such as soybean that have a great economic importance for the country. In this regard, climate regions, with a minimum requirement of soybean cultivation were identified. By choosing a 20-year period from 1989 to 2008 and precipitation map of Iran on the basis of all available stations over 20 years of daily data completed, three regions with annual rainfall of over 500 mm in the North, West and South West were then determined. To increase precision, creating a virtual stations on the basis of daily maximum and minimum temperatures, areas outside of the internal parts were removed and each of the relevant area, was approved to determine the ultimate potential. Using CGMS software, the minimum temperature, maximum vapor pressure, sunshine hours and wind were estimated for rainfall estimation from Completely Regularized Spline (CRS) method, and Spline Regularize (SR) method was used to estimate relative humidity. In the next phase, the mean rate of deficit in soybean yield in dry land conditions was determined using the CROPWAT. Then, three valuable layers of precipitation, relative humidity and maximum temperature were explained by the use of AHP to determine the weight of each layer which was overlapped. The results showed that in the West and South West regions, with the percentage deficit crop yield of over 50%, conditions are low to moderate but the western half of the country's northern region can be considered suitable for soybean cultivation. Calculations showed that the deficit efficiency of the crop in this region, was less than 10 percent and thus has good potential for rain-fed soybean cultivation. It also became clear that to start rain-fed soybean cultivation in all regions, the month of Ordibehesht was more suitable than other months.https://geoplanning.tabrizu.ac.ir/article_4984_9824d53ce82191f239a2e86220d52808.pdfclimate potentialssoybeancgmscropwatnorth- west iran |
| spellingShingle | Hasan Zolfagari Bahman Farhadi Hamid Rahimi Climatic Potentials in Iran for Soybean Cultivation نشریه جغرافیا و برنامهریزی climate potentials soybean cgms cropwat north- west iran |
| title | Climatic Potentials in Iran for Soybean Cultivation |
| title_full | Climatic Potentials in Iran for Soybean Cultivation |
| title_fullStr | Climatic Potentials in Iran for Soybean Cultivation |
| title_full_unstemmed | Climatic Potentials in Iran for Soybean Cultivation |
| title_short | Climatic Potentials in Iran for Soybean Cultivation |
| title_sort | climatic potentials in iran for soybean cultivation |
| topic | climate potentials soybean cgms cropwat north- west iran |
| url | https://geoplanning.tabrizu.ac.ir/article_4984_9824d53ce82191f239a2e86220d52808.pdf |
| work_keys_str_mv | AT hasanzolfagari climaticpotentialsiniranforsoybeancultivation AT bahmanfarhadi climaticpotentialsiniranforsoybeancultivation AT hamidrahimi climaticpotentialsiniranforsoybeancultivation |