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Fuzzy system for determining water infiltration affected by field practices [electronic resource].

By:

Aboukarima, Abd El Wahed M

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Language: English Summary language: Arabic Description: p.903- 922Other title:

منظومة مشوشة لتقدير تسرب المياه المتأثر بالممارسات الحقلية [Added title page title]

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Misr Journal of Agricultural Engineering, 2007 v.24 (4) [electronic resource].

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In: Misr Journal of Agricultural Engineering 2007.v.24(4)Summary: A model for determining water infiltration affected by field practices using a Takagi-Sugeno fuzzy system is presented in this research. The Takagi-Sugeno fuzzy system was trained using field experimental data obtained by double ring infiltrometer to get Kostiakov equation parameters. The input variables that were considered in the system were soil mean weight diameter, number of wheel passes and plowing depth. Comparison of the simulated and observed cumulative infiltration indicated that the model can simulate infiltration process quite well. The coefficient of determination (R2) was above 0.99 when comparing observed and simulated cumulative infiltrations. Takagi-Sugeno fuzzy system provided highest accuracy in terms of cumulative infiltration. Thus, managers of irrigation methods can use it to modify field practices during growing season to conserve irrigation water.

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A model for determining water infiltration affected by field practices using a Takagi-Sugeno fuzzy system is presented in this research. The Takagi-Sugeno fuzzy system was trained using field experimental data obtained by double ring infiltrometer to get Kostiakov equation parameters. The input variables that were considered in the system were soil mean weight diameter, number of wheel passes and plowing depth. Comparison of the simulated and observed cumulative infiltration indicated that the model can simulate infiltration process quite well. The coefficient of determination (R2) was above 0.99 when comparing observed and simulated cumulative infiltrations. Takagi-Sugeno fuzzy system provided highest accuracy in terms of cumulative infiltration. Thus, managers of irrigation methods can use it to modify field practices during growing season to conserve irrigation water.

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