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شناسایی استعداد اراضی و مشخصسازی محدودیتها برای کشت آبی گندم در بخشی از اراضی دشت قزوین با استفاده از تکنیکهای فازی و AHP | ||
| تحقیقات آب و خاک ایران | ||
| دوره 52، شماره 4، تیر 1400، صفحه 943-955 اصل مقاله (1.21 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ijswr.2021.316251.668859 | ||
| نویسندگان | ||
| میرناصر نویدی* 1؛ جواد سیدمحمدی2؛ کامبیز بازرگان3؛ اعظم خسروی نژاد4؛ بهاره دلسوز خاکی5 | ||
| 1استادیار پژوهش، موسسه تحقیقات خاک و آب، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران. | ||
| 2استادیار پژوهش، موسسه تحقیقات خاک و آب، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران | ||
| 3دانشیار پژوهش، موسسه تحقیقات خاک و آب، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران | ||
| 4محقق بخش تحقیقات خاک و آب، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان قزوین، سازمان تحقیقات، آموزش و ترویج کشاورزی، قزوین، ایران | ||
| 5موسسه تحقیقات خاکمحقق موسسه تحقیقات خاک و آب، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران و آب | ||
| چکیده | ||
| ارزیابی دقیق تناسب اراضی برای تولید محصولات کشاورزی نقش مهمی در کاهش اثرات تخریب اراضی دارد. مطالعه حاضر با هدف بکارگیری تکنیکهای فازی، AHP و GIS برای تعیین درجه تناسب اراضی جهت تولید گندم در اراضی به وسعت حدود 61000 هکتار واقع در دشت قزوین انجام شد. با بررسی نقشههای کاربری، زمینشناسی، توپوگرافی، شیب و تصویر ماهوارهای منطقه، محدوده واحدهای اولیه خاک تفکیک شد سپس در واحدهای تفکیک شده، خاکرخها حفر و تشریح شدند و نمونهبرداری از افقهای خاک انجام شد. براساس مشخصات خاکرخهای شاهد هر واحد نقشه، ارزیابی تناسب اراضی برای کشت گندم با استفاده از روش فازی با AHP و روش ریشه دوم انجام شد و نقشه تناسب اراضی در محیط GIS تهیه گردید. با توجه به نتایج، کاربرد روش فازی با AHP مشخص کرد که 1/48169 هکتار، 2/78 درصد از اراضی دارای تناسب متوسط (S2)، 9086 هکتار، 7/14 درصد دارای تناسب بحرانی (S3) و 3/4346 هکتار، 1/7 درصد نامناسب در حال حاضر (N1) میباشند. مهمترین خصوصیات محدودکننده، شیب، pH، ESP، زهکشی و شوری خاک بودند. نتایج مشخص کرد که روش تلفیقی فازی با AHP با ارزش ضریب تبیین بیشتر بین شاخص اراضی و عملکرد در مقایسه با روش پارامتریک ریشه دوم و ریشه دوم اصلاح شده، توانسته دقت ارزیابی را به دلیل تعیین حدود مناسب نقاط بحرانی، وزنهای مناسب برای خصوصیات، استفاده از روابط و اصول منطق فازی و توابع عضویت مناسب افزایش دهد. بنابراین روش ذکر شده میتواند به عنوان روشی دقیق و مؤثر برای برنامهریزی و مدیریت بهتر کاربری اراضی برای تولیدات کشاورزی باشد. | ||
| کلیدواژه‌ها | ||
| AHP؛ مجموعههای فازی؛ GIS؛ تناسب اراضی؛ گندم | ||
| عنوان مقاله [English] | ||
| Identification of Land Potential and Characterizing Limitations for Irrigated Wheat Cultivation in a Part of Qazvin Plain Land Using Fuzzy and AHP Techniques | ||
| نویسندگان [English] | ||
| Mir Naser Navidi1؛ Javad Seyedmohammadi2؛ Kambiz Bazargan3؛ azam khosravinejad4؛ Bahareh Delsouz khaki5 | ||
| 1Assistant Prof., Soil and Water Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran | ||
| 2Assistant Prof., Soil and Water Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran | ||
| 3Associate Prof., Soil and Water Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran | ||
| 4Researcher of Soil and Water Research Department, Qazvin Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Qazvin, Iran, | ||
| 5Researcher Soil and Water Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran | ||
| چکیده [English] | ||
| Accurate assessment of land suitability for agricultural production plays an important role in reducing the effects of land degradation. The aim of this study was to apply fuzzy, AHP and GIS techniques to determine the degree of land suitability for wheat production in lands of about 61,000 ha located in Qazvin plain. By Investigating the land use maps, geology, topography, slope and satellite image of the region, the delineation of primary soil units was separated, then in the separated units, profiles were excavated and described, and soil horizons were sampled. Based on the characteristics of representative profiles in each map unit, land suitability assessment for wheat cultivation was performed using fuzzy method with AHP and square root method and land suitability map was prepared in GIS environment. According to the results of AHP-fuzzy method 48169.1 ha (78.2%) of the land are moderately suitable (S2), 9086 ha (14.7%) marginally suitable (S3) and 4346.3 ha (7.1%) currently unsuitable (N1). The most important limiting characteristics were slope, pH, ESP, drainage and soil salinity. The results showed that the fuzzy method integrated with AHP was able to evaluate accurately with high value of determination coefficient between land index and yieldcompared to the parametric method of the square root and the modified square root due to determining the appropriate limits of critical points, suitable weights for characteristics, use of fuzzy logic relations and principles and suitable membership functions. Therefore, the mentioned integrative method can be an accurate and effective method for better planning and management of land use for agricultural production. Identification of Land Potential and Characterizing Limitations for Irrigated Wheat Cultivation in a Part of Qazvin Plain Land Using Fuzzy and AHP Techniques | ||
| کلیدواژه‌ها [English] | ||
| AHP, Fuzzy sets, GIS, Land suitability, Wheat | ||
| مراجع | ||
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