Comparison of AEZ, Wageningen and Albero Models for Maize Potential Production Prediction in Northwest of IRAN

Author: Elham Ghanbarie*, Ali Asghar Jafarzadeh*, Farzin Shahbazi* and Moslem Servati**

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Abstract

World population increase and cultivatable land degradation in recent decades, have caused more attention to increasing production in area unit and the land suitability evaluation. In this regard estimation of the yield potential are the most important process. The aim of this study is comparing models of Wageningen, FAO and Albero in determining of Maize yield potential, using corrected and in corrected indices. To achieve these aims the soil morphological, physical and chemical characteristics were studied in10 land units with1100 hectares extension, which have located in East Azarbayjan province between 46°37' 63. 35 "to 47°42' 30.13"east longitude and 38° 7' 43.42" to 38° 9' 24.51" north latitude. The soils have the aridic moisture regime borders to xeric and mesic temperature regime and were classified in Aridisols order based on keys to soil taxonomy (2014). The calculated coefficient of determination between observed and predicted production in FAO, Wageningen and Albero fr

Keywords

potential production, AEZ, Wageningen and Albero models.

Conclusion

Calculated determination Coefficient between the observed and productions confirms that the Albero model has higher accuracy than other methods in estimating yield potential at 5% probability level, also the results of comparison of methods accuracy by GSDER index showed higher accuracy of Albero model than other methods.

References

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How to cite this article

Elham Ghanbarie, Ali Asghar Jafarzadeh*, Farzin Shahbazi* and Moslem Servati (2016) . Comparison of AEZ, Wageningen and Albero Models for Maize Potential Production Prediction in Northwest of IRAN , Biological Forum – An International Journal 8(1): 484