A MODEL FOR SIMULATION OF WHEAT GROWTH AND DEVELOPMENT PROCESSES UNDER DIFFERENT SOIL MOISTURE REGIMES

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NOURI EMARNZADEI M.R.; KASHKOULI H.A.; KASHANI A.; BANAYAN AVAL M.

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Paper Information

Journal: THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA) Year:2005 | Volume:27 | Issue:(Special Issue of Water Science Engineering) Page(s): 1-18

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Title

A MODEL FOR SIMULATION OF WHEAT GROWTH AND DEVELOPMENT PROCESSES UNDER DIFFERENT SOIL MOISTURE REGIMES

Author(s)

NOURI EMARNZADEI M.R. | KASHKOULI H.A. | KASHANI A. | BANAYAN AVAL M. | Issue Writer Certificate

Keywords

CROP MODELQ2

DROUGHT STRESSQ2

SIMULATIONQ3

WHEATQ4

Abstract

The use of a model makes it possible to simulate and identify the process of crop production, thus insuring optimal use of resource and more stable production with higher financial benefits. Since the systematic approach to crop production in plants is a fairly recent innovation, various models have been developed and applied, yet little or no information regarding their infrastructure has ever been provided. The proposed model is capable of simulating the development stages, carbon assimilation, respiration and assimilate-partitioning of WHEAT crop under different soil moisture regimes. The period of SIMULATION starts with crop germination and lasts until the end of the growth period, using daily time steps. The model uses meteorological data and depth and time of irrigation / precipitation as input parameters. DROUGHT STRESS assessment is done through its influences on development rate, leaf expansion, acceleration of leaf senescence, leaf rolling and assimilate partitioning. In order to compute related reduction factors as a function of soil water potential, root zone water balance calculations were performed during each time interval. Calibration of the model was performed with existing field data for several WHEAT varieties grown in the region. Model verification was done with the data collected in a field experiment on the Agricultural Research Station at Shahid- Chamran University, Ahwaz, during the year 2002-2003. Analysis of the results shows a good agreement between the results obtained in the field study and the data obtained from the LAI simulated model and the accumulated dry matter of R2=0.90 and R2=0.88, respectively. Using a t-Test and taking the results obtained from the field study and the model run to be equal, both parameters were shown to have the values of Pvalue> 0.890 and Pvatue> 0.192.

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References

BAMNUT: A CROP SIMULATION MODEL FOR BAMBARA GROUNDNUT

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APA: Copy

NOURI EMARNZADEI, M.R., KASHKOULI, H.A., KASHANI, A., & BANAYAN AVAL, M.. (2005). A MODEL FOR SIMULATION OF WHEAT GROWTH AND DEVELOPMENT PROCESSES UNDER DIFFERENT SOIL MOISTURE REGIMES. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), 27((Special Issue of Water Science Engineering)), 1-18. SID. https://sid.ir/paper/24664/en

Vancouver: Copy

NOURI EMARNZADEI M.R., KASHKOULI H.A., KASHANI A., BANAYAN AVAL M.. A MODEL FOR SIMULATION OF WHEAT GROWTH AND DEVELOPMENT PROCESSES UNDER DIFFERENT SOIL MOISTURE REGIMES. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA)[Internet]. 2005;27((Special Issue of Water Science Engineering)):1-18. Available from: https://sid.ir/paper/24664/en

IEEE: Copy

M.R. NOURI EMARNZADEI, H.A. KASHKOULI, A. KASHANI, and M. BANAYAN AVAL, “A MODEL FOR SIMULATION OF WHEAT GROWTH AND DEVELOPMENT PROCESSES UNDER DIFFERENT SOIL MOISTURE REGIMES,” THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), vol. 27, no. (Special Issue of Water Science Engineering), pp. 1–18, 2005, [Online]. Available: https://sid.ir/paper/24664/en

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