A Novel Method to Forecast Nitrate Concentration Levels in Irrigation Areas for Sustainable Agriculture

This study developed an ANN-based model to predict nitrate concentrations in drainage waters using parameters that are simpler and more cost-effective to measure within the Lower Seyhan Basin, a key agricultural region in Turkey. For this purpose, daily water samples were collected from a drainage m...

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Main Authors: Halil Karahan, Müge Erkan Can
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Agriculture
Subjects:
Online Access:https://www.mdpi.com/2077-0472/15/2/161
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author Halil Karahan
Müge Erkan Can
author_facet Halil Karahan
Müge Erkan Can
author_sort Halil Karahan
collection DOAJ
description This study developed an ANN-based model to predict nitrate concentrations in drainage waters using parameters that are simpler and more cost-effective to measure within the Lower Seyhan Basin, a key agricultural region in Turkey. For this purpose, daily water samples were collected from a drainage measurement station during the 2022 and 2023 water years, and nitrate concentrations were determined in the laboratory. In addition to nitrate concentrations, other parameters, such as flow rate, EC, pH, and precipitation, were also measured simultaneously. The complex relationship between measured nitrate values and other parameters, which are easier and less costly to measure, was used in two different scenarios during the training phase of the ANN-Nitrate model. After the model was trained, nitrate values were estimated for the two scenarios using only the other parameters. In Scenario I, random values from the dataset were predicted, while in Scenario II, predictions were made as a time series, and model results were compared with measured values for both scenarios. The proposed model reliably fills dataset gaps (Scenario I) and predicts nitrate values in time series (Scenario II). The proposed model, although based on an artificial neural network (ANN), also has the potential to be adapted for methods used in machine learning and artificial intelligence, such as Support Vector Machines, Decision Trees, Random Forests, and Ensemble Learning Methods.
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spelling doaj-art-1a548988060d4e9bba78cd03269ccfb32025-01-24T13:15:57ZengMDPI AGAgriculture2077-04722025-01-0115216110.3390/agriculture15020161A Novel Method to Forecast Nitrate Concentration Levels in Irrigation Areas for Sustainable AgricultureHalil Karahan0Müge Erkan Can1Department of Civil Engineering, Pamukkale University, Denizli 20160, TurkeyDepartment of Agricultural Structures and Irrigation, Cukurova University, Adana 01250, TurkeyThis study developed an ANN-based model to predict nitrate concentrations in drainage waters using parameters that are simpler and more cost-effective to measure within the Lower Seyhan Basin, a key agricultural region in Turkey. For this purpose, daily water samples were collected from a drainage measurement station during the 2022 and 2023 water years, and nitrate concentrations were determined in the laboratory. In addition to nitrate concentrations, other parameters, such as flow rate, EC, pH, and precipitation, were also measured simultaneously. The complex relationship between measured nitrate values and other parameters, which are easier and less costly to measure, was used in two different scenarios during the training phase of the ANN-Nitrate model. After the model was trained, nitrate values were estimated for the two scenarios using only the other parameters. In Scenario I, random values from the dataset were predicted, while in Scenario II, predictions were made as a time series, and model results were compared with measured values for both scenarios. The proposed model reliably fills dataset gaps (Scenario I) and predicts nitrate values in time series (Scenario II). The proposed model, although based on an artificial neural network (ANN), also has the potential to be adapted for methods used in machine learning and artificial intelligence, such as Support Vector Machines, Decision Trees, Random Forests, and Ensemble Learning Methods.https://www.mdpi.com/2077-0472/15/2/161nitrate pollutionnitrate modelingartificial neural networks (ANNs)climate changesustainable agriculturesustainable water
spellingShingle Halil Karahan
Müge Erkan Can
A Novel Method to Forecast Nitrate Concentration Levels in Irrigation Areas for Sustainable Agriculture
Agriculture
nitrate pollution
nitrate modeling
artificial neural networks (ANNs)
climate change
sustainable agriculture
sustainable water
title A Novel Method to Forecast Nitrate Concentration Levels in Irrigation Areas for Sustainable Agriculture
title_full A Novel Method to Forecast Nitrate Concentration Levels in Irrigation Areas for Sustainable Agriculture
title_fullStr A Novel Method to Forecast Nitrate Concentration Levels in Irrigation Areas for Sustainable Agriculture
title_full_unstemmed A Novel Method to Forecast Nitrate Concentration Levels in Irrigation Areas for Sustainable Agriculture
title_short A Novel Method to Forecast Nitrate Concentration Levels in Irrigation Areas for Sustainable Agriculture
title_sort novel method to forecast nitrate concentration levels in irrigation areas for sustainable agriculture
topic nitrate pollution
nitrate modeling
artificial neural networks (ANNs)
climate change
sustainable agriculture
sustainable water
url https://www.mdpi.com/2077-0472/15/2/161
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AT halilkarahan novelmethodtoforecastnitrateconcentrationlevelsinirrigationareasforsustainableagriculture
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