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Information Journal Paper

Title

EVALUATION OF AQUACROP VS SALTMED MODELS TO ESTIMATE CROP YIELD AND SOIL SALINITY

Pages

  487-498

Abstract

 Application of SIMULATION models is a strategy in agricultural water usage management and in predicting the effect of saline water on crop yield and as well on soil salinity. Recently, FAO has introduced a new version of Aqua Crop model through which one can calculate the effect of irrigation water salinity on crop yield and on soil salinity. In the present study, Aqua Crop and SALTMED models were evaluated under alternate application of saline vs fresh water for maize as a forage crop. The required field experiments were carried out in nine treatments (under different conditions of using non-saline vssaline water) in Karaj region. In SALTMED model, R2 values were obtained 0.843 and 0.733 for soil salinity and crop yield, respectively, while these values amounted to 0.758 and 0.846 respectively, for Aqua Crop model. Relative error in Aqua Crop model varied between 2.9 and 30.8% in crop yield estimation and between 5.9 and 45.8% in soil salinity estimation. The relative error in SALTMED model ranged from 0.9 to 24.7% to estimate crop yield while ranging from -2.2 to 38.2% in estimation of soil salinity.

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  • Cite

    APA: Copy

    HASSANLI, MOHAMMAD, AFRASIAB, PEYMAN, & EBRAHIMIAN, HAMED. (2015). EVALUATION OF AQUACROP VS SALTMED MODELS TO ESTIMATE CROP YIELD AND SOIL SALINITY. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 46(3), 487-498. SID. https://sid.ir/paper/225741/en

    Vancouver: Copy

    HASSANLI MOHAMMAD, AFRASIAB PEYMAN, EBRAHIMIAN HAMED. EVALUATION OF AQUACROP VS SALTMED MODELS TO ESTIMATE CROP YIELD AND SOIL SALINITY. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2015;46(3):487-498. Available from: https://sid.ir/paper/225741/en

    IEEE: Copy

    MOHAMMAD HASSANLI, PEYMAN AFRASIAB, and HAMED EBRAHIMIAN, “EVALUATION OF AQUACROP VS SALTMED MODELS TO ESTIMATE CROP YIELD AND SOIL SALINITY,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 46, no. 3, pp. 487–498, 2015, [Online]. Available: https://sid.ir/paper/225741/en

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