Assessment of Soil Fertility Using Fuzzy Membership Functions and AHP in Paddy Fields (Case Study: Research Fields Goldasht, Amol)

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NABAVI SEYEDE FATEMEH; Yaghmaeian Mahabadi Nafiseh; MAHMOUD SOLTANI SHAHRAM

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Paper Information

Journal: Iranian Journal of Soil and Water Research Year:2021 | Volume:52 | Issue:1 Page(s): 109-122

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Title

Assessment of Soil Fertility Using Fuzzy Membership Functions and AHP in Paddy Fields (Case Study: Research Fields Goldasht, Amol)

Author(s)

NABAVI SEYEDE FATEMEH | Yaghmaeian Mahabadi Nafiseh | MAHMOUD SOLTANI SHAHRAM | Issue Writer Certificate

Keywords

S-Shaped Fuzzy Membership FunctionQ1

Kandel Fuzzy Membership FunctionQ1

Fertility MapQ1

RiceQ3

Abstract

Considering the effective role of soil fertility in advanced agriculture, preparing soil Fertility Map for better planning and achievement of specific management on based soil spatial variability seems necessary. The purpose of this study was to prepare a soil Fertility Map for Rice, based on the effective parameters on soil fertility including organic carbon, total nitrogen, available phosphorus and potassium, clay and cation exchange capacity by integrated AHP with two types of Kandel and S-Shaped Fuzzy Membership Functions. For this purpose, soil samples were collected in 50 observation points and their physical and chemical properties were measured. Interpolation of these points for the studied parameters was done by kriging method. Then the fuzzy map of each parameter was prepared by defining the S-shaped and Kandel membership functions and weighted using AHP method. Finally, by integrating them in GIS environment, soil Fertility Map was prepared for Rice. Fertility Maps obtained from S-shaped and Kandel membership functions showed that 95. 73% and 53. 68% of the studied area have high and very high fertility, respectively. Comparison of Fertility Maps through resampling points to control the accuracy of the maps showed that the Fertility Map resulting from S-Shaped Fuzzy Membership Function (64%) is more efficient and realistic than Kandel membership function (40%). Therefore, the integration of AHP with the S-Shaped Fuzzy Membership Function can quantify and classify the soil fertility of the studied area and be useful for managing fertilizer use and monitoring soil nutrition changes.

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APA: Copy

NABAVI, SEYEDE FATEMEH, Yaghmaeian Mahabadi, Nafiseh, & MAHMOUD SOLTANI, SHAHRAM. (2021). Assessment of Soil Fertility Using Fuzzy Membership Functions and AHP in Paddy Fields (Case Study: Research Fields Goldasht, Amol). IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 52(1 ), 109-122. SID. https://sid.ir/paper/370430/en

Vancouver: Copy

NABAVI SEYEDE FATEMEH, Yaghmaeian Mahabadi Nafiseh, MAHMOUD SOLTANI SHAHRAM. Assessment of Soil Fertility Using Fuzzy Membership Functions and AHP in Paddy Fields (Case Study: Research Fields Goldasht, Amol). IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2021;52(1 ):109-122. Available from: https://sid.ir/paper/370430/en

IEEE: Copy

SEYEDE FATEMEH NABAVI, Nafiseh Yaghmaeian Mahabadi, and SHAHRAM MAHMOUD SOLTANI, “Assessment of Soil Fertility Using Fuzzy Membership Functions and AHP in Paddy Fields (Case Study: Research Fields Goldasht, Amol),” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 52, no. 1 , pp. 109–122, 2021, [Online]. Available: https://sid.ir/paper/370430/en

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