THE STUDY OF FREEZING FLUCTUATIONS AND ITS APPLICATION IN THE FUNCTION OF NUTS PRODUCTION IN AHAR TOWNSHIP

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SALMANPOUR R.; JALALI MASOUD

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: GEOGRAPHIC SPACE Year:2010 | Volume:10 | Issue:32 Page(s): 29-51

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Title

THE STUDY OF FREEZING FLUCTUATIONS AND ITS APPLICATION IN THE FUNCTION OF NUTS PRODUCTION IN AHAR TOWNSHIP

Author(s)

SALMANPOUR R. | JALALI MASOUD | Issue Writer Certificate

Keywords

SPRING FROSTQ3

AUTUMN FROSTQ3

GRAPEQ2

WALNUTQ2

MULBERRYQ2

ALMONDQ3

AHAR REGIONQ2

Abstract

The purpose of this research was studying the variation of frost phenomenon and applications of their results in GRAPE, WALNUT, MULBERRY and ALMOND production in Ahar in North West Iran. We gathered daily minimum air temperature records of Ahar area from 1986 to 2005 along with fruit production dates. Initially we distinguished 4 detrimental temperature ranges of A, B, C, D and adapted frost days with Julian day-numbers. We calculated parameters and variables such as normal distribution, t distribution and Pearson correlation coefficient, standing average departure index, variations of frost occurrence dates, durations of growth season and the minimum daily temperature all of which influence fruit production. Some of the important results of this research are as follows: If B occurred earlier, it will be harmful for GRAPE production. On the other hand, if the last SPRING FROST occurs lately, GRAPE production rates might increase. The effect of last SPRING FROST on WALNUT is higher than the first summer frost damages. The variation in MULBERRY production living during 1-15 May could get it away from frost damage.

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APA: Copy

SALMANPOUR, R., & JALALI, MASOUD. (2010). THE STUDY OF FREEZING FLUCTUATIONS AND ITS APPLICATION IN THE FUNCTION OF NUTS PRODUCTION IN AHAR TOWNSHIP. GEOGRAPHIC SPACE, 10(32), 29-51. SID. https://sid.ir/paper/91623/en

Vancouver: Copy

SALMANPOUR R., JALALI MASOUD. THE STUDY OF FREEZING FLUCTUATIONS AND ITS APPLICATION IN THE FUNCTION OF NUTS PRODUCTION IN AHAR TOWNSHIP. GEOGRAPHIC SPACE[Internet]. 2010;10(32):29-51. Available from: https://sid.ir/paper/91623/en

IEEE: Copy

R. SALMANPOUR, and MASOUD JALALI, “THE STUDY OF FREEZING FLUCTUATIONS AND ITS APPLICATION IN THE FUNCTION OF NUTS PRODUCTION IN AHAR TOWNSHIP,” GEOGRAPHIC SPACE, vol. 10, no. 32, pp. 29–51, 2010, [Online]. Available: https://sid.ir/paper/91623/en

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