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A Prototype That Improves the Interpretation of Soil Moisture by Using the BGT-SEC Z2 Sensor

Received: 2 August 2024     Accepted: 24 August 2024     Published: 6 September 2024
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Abstract

The amount of water required to irrigate, is essential in agricultural planning. In Mexico the water required for irrigation is generally not estimated when it is carried out despite several estimation methods being available (direct and indirect). However, some methods can be very expensive, requiring preparation time to use them or time to obtain the results. One of the methods involves using sensors based on relative permittivity. This method have been widely used in agriculture because they show the percentage of water contained in the substrate. However, this value helps the producer know the soil moisture status of their crop in percentage units but does not tell them how much water needs to be added to each plant in liters. Knowing this value could help reduce water losses due to infiltration, thereby increasing the crop area. Therefore, it was developed a device capable of recommending the amount of water in v/v (volume of water/volume of soil) required to irrigate a crop. The prototype device was based on the BGT-SEC Z2TM sensor and the ATMEGA 2560TM microcontroller. The obtained device was calibrated and a specific model was developed for two types of soil: sandy (with an RMSE of 0.0107) and loamy (with an RMSE of 0.00556). With factory calibration, a RMSE value of 0.0339 was found for the loamy soil and 0.0278 for the sandy soil. In addition, the sensor was tested on strawberry plants with pots covered with and without plastic mulch (using loamy soil). The results on the strawberry plants, indicated that water consumption was best explained by the specific calibration equation for loamy soil covered with plastic mulch (67.8 mL RMSE) and without plastic mulch (82.8 mL RMSE). Finally, it was found that at least two measurements are required to obtain soil moisture average in plastic mulch strawberry pots and 6 measurements in pots without plastic mulch. With the above, it is concluded that the device developed in this study performed adequately during experiments and the sensor worked continuously without failing.

Published in American Journal of Agriculture and Forestry (Volume 12, Issue 5)
DOI 10.11648/j.ajaf.20241205.11
Page(s) 317-324
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Water Volumetric Content, Sample Size, Acceptable Error, Sensor Accuracy

References
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[3] Mane, S., Das, N., Singh, G., Cosh, M., and Dong, Y. Advancements in dielectric soil moisture sensor Calibration: A comprehensive review of methods and techniques. Computers and Electronics in Agriculture. 2024, 218, 108686.
[4] Ellsäßer, F., Röll, A., Stiegler, C., and Hölscher, D. Introducing QWaterModel, a QGIS plugin for predicting evapotranspiration from land surface temperatures. Environmental Modelling & Software. 2020, 130, 104739.
[5] Brach del Prever, P., Balducci G., Ballestra, A., Ghiglione, C., Mascheretti, L., Molinari, M., Nicoletti, G., Carvelli, V., Corbari, C., Invernizzi, S. and Mariani, S. Automatic and Non-Invasive Monitoring of Water Stress in Vineyards. Environmental Sciences Proceedings. 2023, 25(1), 79.
[6] Abdelmoneim, A., Daccache, A., Khadra, R., Bhanot, M., and Dragonetti, G. Internet of Things (IoT) for double ring infiltrometer automation. Computers and Electronics in Agriculture. 2021, 188, 106324.
[7] Beijing Guoxinhuayuan Technology Co. Ltd. Soil temperature moisture EC Sensor BGT-SEC Z2, Sensor Manual. Available from:
[8] Decagon Devices Inc. 10HS volume of sensitivity Application Note. Available from:
[9] Decagon Devices Inc. Teros 10 sensor manual. Available from:
[10] USDA. Guide to Texture by Feel. Available from:
[11] Lohr S. L. Sampling: design and analysis. 3rd Edition. New York. Chapman and Hall/CRC. 2021; pp. 1-50.
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[16] Martínez-Saldaña, J., Vega-Sotelo, F., Medina-Cazares, T., Rivera-González, M., and Turiján-Camargo, S. Dinámica de humedad y temperatura del suelo en riego por goteo superficial y subsuperficial con acolchado plástico [Dynamics of Soil Water Content and Temperature in Surface and Subsurface Drip Irrigation with Soil Plastic Mulching]. Agrofaz. 2006, 6(3), 349-358.
[17] Tenelanda-Patiño, D., Crespo-Sánchez, P., and Mosquera-Rojas, G. Umbrales en la respuesta de humedad del suelo a condiciones meteorológicas en una ladera Altoandina [Thresholds in the response of soil moisture to meteorological conditions on a high Andean hillslope]. Maskana. 2018, 9(2), 53-65.
[18] Abanto-Rodríguez, C., Farias-Araújo, W., Cardoso-Chagas, P., Alves-Chagas, E., López-Monteiro, J., Da Silva-Siqueira, R., Martins-Barbosa, S., Ferreira-Melo, V. and Maffei-Valero, M. Calibration of frequency domain reflectometry sensors to estimate soil moisture in a Geric Xanthic Ferralsol. Bioagro. 2020, 32(2), 123-130.
[19] Inzunza-Ibarra, M., Mendoza-Moreno, S., Catalán-Valencia, E., Villa-Castorena, M., Sánchez-Cohen, I., and Román-López, A. Productividad del chile jalapeño en condiciones de riego por goteo y acolchado plástico [Productivity of jalapeno pepper under drip irrigation and plastic mulch conditions]. Revista Fitotecnia Mexicana. 2007, 30(4), 429-436.
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  • APA Style

    Quevedo-Nolasco, A., Aguado-Rodriguez, G. (2024). A Prototype That Improves the Interpretation of Soil Moisture by Using the BGT-SEC Z2 Sensor. American Journal of Agriculture and Forestry, 12(5), 317-324. https://doi.org/10.11648/j.ajaf.20241205.11

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    ACS Style

    Quevedo-Nolasco, A.; Aguado-Rodriguez, G. A Prototype That Improves the Interpretation of Soil Moisture by Using the BGT-SEC Z2 Sensor. Am. J. Agric. For. 2024, 12(5), 317-324. doi: 10.11648/j.ajaf.20241205.11

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    AMA Style

    Quevedo-Nolasco A, Aguado-Rodriguez G. A Prototype That Improves the Interpretation of Soil Moisture by Using the BGT-SEC Z2 Sensor. Am J Agric For. 2024;12(5):317-324. doi: 10.11648/j.ajaf.20241205.11

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  • @article{10.11648/j.ajaf.20241205.11,
      author = {Abel Quevedo-Nolasco and Graciano-Javier Aguado-Rodriguez},
      title = {A Prototype That Improves the Interpretation of Soil Moisture by Using the BGT-SEC Z2 Sensor
    },
      journal = {American Journal of Agriculture and Forestry},
      volume = {12},
      number = {5},
      pages = {317-324},
      doi = {10.11648/j.ajaf.20241205.11},
      url = {https://doi.org/10.11648/j.ajaf.20241205.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajaf.20241205.11},
      abstract = {The amount of water required to irrigate, is essential in agricultural planning. In Mexico the water required for irrigation is generally not estimated when it is carried out despite several estimation methods being available (direct and indirect). However, some methods can be very expensive, requiring preparation time to use them or time to obtain the results. One of the methods involves using sensors based on relative permittivity. This method have been widely used in agriculture because they show the percentage of water contained in the substrate. However, this value helps the producer know the soil moisture status of their crop in percentage units but does not tell them how much water needs to be added to each plant in liters. Knowing this value could help reduce water losses due to infiltration, thereby increasing the crop area. Therefore, it was developed a device capable of recommending the amount of water in v/v (volume of water/volume of soil) required to irrigate a crop. The prototype device was based on the BGT-SEC Z2TM sensor and the ATMEGA 2560TM microcontroller. The obtained device was calibrated and a specific model was developed for two types of soil: sandy (with an RMSE of 0.0107) and loamy (with an RMSE of 0.00556). With factory calibration, a RMSE value of 0.0339 was found for the loamy soil and 0.0278 for the sandy soil. In addition, the sensor was tested on strawberry plants with pots covered with and without plastic mulch (using loamy soil). The results on the strawberry plants, indicated that water consumption was best explained by the specific calibration equation for loamy soil covered with plastic mulch (67.8 mL RMSE) and without plastic mulch (82.8 mL RMSE). Finally, it was found that at least two measurements are required to obtain soil moisture average in plastic mulch strawberry pots and 6 measurements in pots without plastic mulch. With the above, it is concluded that the device developed in this study performed adequately during experiments and the sensor worked continuously without failing.
    },
     year = {2024}
    }
    

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  • TY  - JOUR
    T1  - A Prototype That Improves the Interpretation of Soil Moisture by Using the BGT-SEC Z2 Sensor
    
    AU  - Abel Quevedo-Nolasco
    AU  - Graciano-Javier Aguado-Rodriguez
    Y1  - 2024/09/06
    PY  - 2024
    N1  - https://doi.org/10.11648/j.ajaf.20241205.11
    DO  - 10.11648/j.ajaf.20241205.11
    T2  - American Journal of Agriculture and Forestry
    JF  - American Journal of Agriculture and Forestry
    JO  - American Journal of Agriculture and Forestry
    SP  - 317
    EP  - 324
    PB  - Science Publishing Group
    SN  - 2330-8591
    UR  - https://doi.org/10.11648/j.ajaf.20241205.11
    AB  - The amount of water required to irrigate, is essential in agricultural planning. In Mexico the water required for irrigation is generally not estimated when it is carried out despite several estimation methods being available (direct and indirect). However, some methods can be very expensive, requiring preparation time to use them or time to obtain the results. One of the methods involves using sensors based on relative permittivity. This method have been widely used in agriculture because they show the percentage of water contained in the substrate. However, this value helps the producer know the soil moisture status of their crop in percentage units but does not tell them how much water needs to be added to each plant in liters. Knowing this value could help reduce water losses due to infiltration, thereby increasing the crop area. Therefore, it was developed a device capable of recommending the amount of water in v/v (volume of water/volume of soil) required to irrigate a crop. The prototype device was based on the BGT-SEC Z2TM sensor and the ATMEGA 2560TM microcontroller. The obtained device was calibrated and a specific model was developed for two types of soil: sandy (with an RMSE of 0.0107) and loamy (with an RMSE of 0.00556). With factory calibration, a RMSE value of 0.0339 was found for the loamy soil and 0.0278 for the sandy soil. In addition, the sensor was tested on strawberry plants with pots covered with and without plastic mulch (using loamy soil). The results on the strawberry plants, indicated that water consumption was best explained by the specific calibration equation for loamy soil covered with plastic mulch (67.8 mL RMSE) and without plastic mulch (82.8 mL RMSE). Finally, it was found that at least two measurements are required to obtain soil moisture average in plastic mulch strawberry pots and 6 measurements in pots without plastic mulch. With the above, it is concluded that the device developed in this study performed adequately during experiments and the sensor worked continuously without failing.
    
    VL  - 12
    IS  - 5
    ER  - 

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