Comparison of Fuzzy logic and Boolean methods in mapping nitrogen and phosphorus nutrients

Yıl 2021, Cilt: 10 Sayı: 2, 171 - 178, 01.04.2021

Kazem Hashemimajd Shaghayegh Kochakpour Naser Davatgar Elham Sohrabi

https://doi.org/10.18393/ejss.863606

Öz

One of the approaches for increasing of yield and reduction of rice production costs is precision agriculture. Complete and correct determination of nutrition status of paddy soils is necessary in precise agriculture. To compare fuzz y and Boolean methods and mapping of nutrition status of nitrogen and phosphorus, 370 compound samples were collected from 306 ha of paddy soils of Rice Research Institute in Rasht County from plots with the dimension of 50 × 100 m. Total nitrogen and available phosphorus contents were measured. Results showed that interpolation and mapping by fuzzy logic was more accurate and correct in comparison with Boolean method and had greater distinguishing power to indicate deficiency of nutrients. Evaluation of dependency of paddy soils using of fuzzy function and Boolean method, showed that the southwest of study area have nitrogen and phosphorus deficiency and the other parts have minor limitation for these elements.

Anahtar Kelimeler

Fuzzy logic, mapping, nutrients, precision agriculture

Kaynakça

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