A COMPARATIVE STUDY ON EMPIRICAL METHODS FOR ESTIMATING EFFECTIVE RAINFALL FOR RAINFED WHEAT CROP IN DIFFERENT CLIMATES OF IRAN

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RAHIMI JABER; BAZRAFSHAN JAVAD; KHALILI ALI

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Journal: Physical Geography Research Year:2013 | Volume:45 | Issue:3 Page(s): 6-8

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Title

A COMPARATIVE STUDY ON EMPIRICAL METHODS FOR ESTIMATING EFFECTIVE RAINFALL FOR RAINFED WHEAT CROP IN DIFFERENT CLIMATES OF IRAN

Author(s)

RAHIMI JABER | BAZRAFSHAN JAVAD | KHALILI ALI | Issue Writer Certificate

Keywords

EFFECTIVE RAINFALLQ2

EMPIRICAL METHODSQ2

IRANQ2

RAINFED WHEAT CROPQ2

TWO-LAYER SOIL-WATER BALANCE MODELQ2

Abstract

Introduction: Among factors affecting crop production, especially rainfed crops, the rainfall and its distribution during crop season have a significant role. In addition, all the precipitation that falls during the growing season does not have the same effect on crop yield, and is not used in agriculture. So, quantification of EFFECTIVE RAINFALL (ER), as a portion of the precipitation which is stored in plant root zone and meets the needs of evapotranspiration requirements in different climatic zones is an essential component of water resources in rainfed wheat areas. EFFECTIVE RAINFALL used in this study is “That portion of the total precipitation on the cropped area, during a specific time period, which is available to meet the potential evapotranspiration requirements in the cropped area. A precise estimation of EFFECTIVE RAINFALL is still needed not only for planning and management of rainfed wheat production, but also for risk management strategies in farms.Since a precise estimation of EFFECTIVE RAINFALL is necessary for increasing agricultural production, major challenge is to design a soil-water balance model that provides more accurate calculation of EFFECTIVE RAINFALL. The main goal of this study was to compare different EFFECTIVE RAINFALL estimation methods for rainfed wheat.

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APA: Copy

RAHIMI, JABER, BAZRAFSHAN, JAVAD, & KHALILI, ALI. (2013). A COMPARATIVE STUDY ON EMPIRICAL METHODS FOR ESTIMATING EFFECTIVE RAINFALL FOR RAINFED WHEAT CROP IN DIFFERENT CLIMATES OF IRAN. PHYSICAL GEOGRAPHY RESEARCH QUARTERLY, 45(3), 6-8. SID. https://sid.ir/paper/403187/en

Vancouver: Copy

RAHIMI JABER, BAZRAFSHAN JAVAD, KHALILI ALI. A COMPARATIVE STUDY ON EMPIRICAL METHODS FOR ESTIMATING EFFECTIVE RAINFALL FOR RAINFED WHEAT CROP IN DIFFERENT CLIMATES OF IRAN. PHYSICAL GEOGRAPHY RESEARCH QUARTERLY[Internet]. 2013;45(3):6-8. Available from: https://sid.ir/paper/403187/en

IEEE: Copy

JABER RAHIMI, JAVAD BAZRAFSHAN, and ALI KHALILI, “A COMPARATIVE STUDY ON EMPIRICAL METHODS FOR ESTIMATING EFFECTIVE RAINFALL FOR RAINFED WHEAT CROP IN DIFFERENT CLIMATES OF IRAN,” PHYSICAL GEOGRAPHY RESEARCH QUARTERLY, vol. 45, no. 3, pp. 6–8, 2013, [Online]. Available: https://sid.ir/paper/403187/en

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