Measurement and Simulation of water flow and root uptake in Smart Irrigation Management

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Bahojb Khoshnoudi Ahad; BESHARAT SINA; Zeinalzadeh Kamran

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Journal Paper

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Journal: Water and Soil Science Year:2020 | Volume:30 | Issue:3 Page(s): 0-0

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Title

Measurement and Simulation of water flow and root uptake in Smart Irrigation Management

Author(s)

Bahojb Khoshnoudi Ahad | BESHARAT SINA | Zeinalzadeh Kamran | Issue Writer Certificate

Keywords

Irrigation management

Root water uptake

Water content

Wetting Pattern

Abstract

Current research with the purpose of applying the governing equations related to hydraulics of flow in plant root zone and use of modern technology in field measurements for measuring soil Water content and soil suction of the plant root zone for continuous monitoring of relevant factors and smart management of irrigation system in order to optimized use of water consumption has been done. This research was carried out in Saeed Abad Gardens in Tabriz in two consecutive years, 1977 and 1998. Using a 20-channel data logger, the root zone was instrumented with soil moisture sensors and the soil moisture instantaneous data were transmitted to the server via the Internet, allowing online data viewing and data storage provided. In this study, by equipping the treatment under study to research drip irrigation system with ability of changing hydraulic parameters including controlling the discharge rate of different treatments and by continuously data logging, the actual soil Wetting Pattern and shape at different times obtained and the accuracy of the theories and experimental relationships were validated. Maximum absorption was at 20 cm depth and daily intake was calculated to be 30-50 liters. In this study, HYDRUS-2D software was used to simulate different scenarios. The most important issue in this software is to calibrate the governing equations coefficients. In this study, models related to root motion and absorption parameters were calibrated and validated based on accurate field measurements (RE = 2. 87 and NRMSE = 2. 14 %). Based on the results, water movement and plant consumption were calculated and presented. Accordingly, the results of matching the Wetting Pattern with the root zone of the plant were used to manage the system and ultimately save water consumption. The highest amount of water uptake was at 40 cm depth, which is 74% of the total water uptake. By controlling this soil profile, an intelligent irrigation system can be managed.

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APA: Copy

Bahojb Khoshnoudi, Ahad, BESHARAT, SINA, & Zeinalzadeh, Kamran. (2020). Measurement and Simulation of water flow and root uptake in Smart Irrigation Management. WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE), 30(3 ), 0-0. SID. https://sid.ir/paper/688129/en

Vancouver: Copy

Bahojb Khoshnoudi Ahad, BESHARAT SINA, Zeinalzadeh Kamran. Measurement and Simulation of water flow and root uptake in Smart Irrigation Management. WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE)[Internet]. 2020;30(3 ):0-0. Available from: https://sid.ir/paper/688129/en

IEEE: Copy

Ahad Bahojb Khoshnoudi, SINA BESHARAT, and Kamran Zeinalzadeh, “Measurement and Simulation of water flow and root uptake in Smart Irrigation Management,” WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE), vol. 30, no. 3 , pp. 0–0, 2020, [Online]. Available: https://sid.ir/paper/688129/en

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