Evaluation of AquaCrop to simulate saffron (crocus sativus l. ) yield under different water management scenarios and zeolite amounts

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EBRAHIMIPAK NIAZALI; AHMADEE MOHSEN; Eigdernezad Aslan; KHASHEI SIUKI ABBAS

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Journal: JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION Year:2018 | Volume:8 | Issue:1 Page(s): 117-131

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Title

Evaluation of AquaCrop to simulate saffron (crocus sativus l. ) yield under different water management scenarios and zeolite amounts

Author(s)

EBRAHIMIPAK NIAZALI | AHMADEE MOHSEN | Eigdernezad Aslan | KHASHEI SIUKI ABBAS | Issue Writer Certificate

Keywords

Cropping modelQ2

Irrigation SchedulingQ1

Potasic ZeoliteQ1

Water StressQ1

Abstract

This research was conducted to evaluate AquaCrop to simulate saffron (Crocus sativus L. ) yield and biomas under water management and zeolite amounts using collected data during 2013-2015. Treatments consisted of irrigation (traditional: I1, deficit irrigation as 70% moisture depletion: I2 and full irrigation: I3) and zeolite rates (0: Z0, 0. 5: Z1, 1: Z2 and 2: Z3 as weight percentage) divided into two groups. The first group (consisted of 70% data) was used to calibrate and the second one (consisted of 30% data) was considered to validate the accuracy of AquaCrop. The highest differences between measured and simulated data was found in traditional irrigation. Mentioned differences in some treatments with zeolite decreased. Nevertheless, there was no significant relation between those results. RMSE, MBE and NRMSE values for saffron yield were 0. 48 (kg. ha-1),-0. 21 (kg. ha-1), 0. 09, respectively. These values for biomass were 151. 9 (kg. ha-1), 74. 2 (kg. ha-1) and 0. 13, respectively. The aforementioned results showed that AquaCrop had a good accuracy to simulate saffron yield and biomass. Efficiency of the model was found in an appropriate range so that values of EF for calibration and validation stages were 0. 32 and 0. 42 for saffron yield, respectively, and were 0. 99 and 0. 99 for saffron biomass, respectively. Regarding the results, AquaCrop had a sufficient precision to simulate saffron yield and biomass under different irrigation and zeolite amounts. As an accurate crop growth model, it is recommended to use this model for simulating saffron yield.

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APA: Copy

EBRAHIMIPAK, NIAZALI, AHMADEE, MOHSEN, Eigdernezad, Aslan, & KHASHEI SIUKI, ABBAS. (2018). Evaluation of AquaCrop to simulate saffron (crocus sativus l. ) yield under different water management scenarios and zeolite amounts. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, 8(1 ), 117-131. SID. https://sid.ir/paper/232242/en

Vancouver: Copy

EBRAHIMIPAK NIAZALI, AHMADEE MOHSEN, Eigdernezad Aslan, KHASHEI SIUKI ABBAS. Evaluation of AquaCrop to simulate saffron (crocus sativus l. ) yield under different water management scenarios and zeolite amounts. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION[Internet]. 2018;8(1 ):117-131. Available from: https://sid.ir/paper/232242/en

IEEE: Copy

NIAZALI EBRAHIMIPAK, MOHSEN AHMADEE, Aslan Eigdernezad, and ABBAS KHASHEI SIUKI, “Evaluation of AquaCrop to simulate saffron (crocus sativus l. ) yield under different water management scenarios and zeolite amounts,” JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, vol. 8, no. 1 , pp. 117–131, 2018, [Online]. Available: https://sid.ir/paper/232242/en

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