SPATIAL AND TEMPORAL PATTERNS IN SAFFRON (CROCUS SATIVUS L.) YIELD OF KHORASAN PROVINCE AND THEIR RELATIONSHIP WITH LONG TERM WEATHER VARIATION

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HOSSEINI MOHAMMAD; MOLAFILABI A.A.; NASIRI MAHALATI MAHDI

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Journal: Iranian Journal of Field Crops Research Year:2008 | Volume:6 | Issue:1 Page(s): 79-88

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Information Journal Paper

Title

SPATIAL AND TEMPORAL PATTERNS IN SAFFRON (CROCUS SATIVUS L.) YIELD OF KHORASAN PROVINCE AND THEIR RELATIONSHIP WITH LONG TERM WEATHER VARIATION

Author(s)

HOSSEINI MOHAMMAD | MOLAFILABI A.A. | NASIRI MAHALATI MAHDI | Issue Writer Certificate

Keywords

SAFFRONQ2

YIELD VARIABILITYQ3

CLIMATE VARIATIONQ3

CROCUS SATIVUS L.Q3

Abstract

With respect to effect of climatic changes on crop yields, study of long term trend of yields is conducted on the basis of statistical procedures that will be a suitable way to determine contribution of climatic factors affecting yield changes. As this trend of yield changes has been studied at regional and national levels in many parts of the world, conducting these studies will be necessary for Iran. So, with respect to economical importance and social aspect of SAFFRON for Khorasan province and Iran, evaluation of yield trend of SAFFRON in recent years and study of relationship of its changes to climatic changes have been purpose of this research. Findings show that yield reduction of SAFFRON in Khorasan has been affected by changes in climatic indices particularly temperature and precipitation during the past ten years, so that among main cities of SAFFRON cultivation in Khorasan 31 to 66 percent of yield variation can be explained by these climatic variables. In this research, from meteorological parameters, effect of precipitation compared with monthly temperature has been less and results show that precipitation has been effective only in Torbat-e-heidarieh while minimum and maximum monthly temperatures are considered as the most important variables affecting SAFFRON yield. It was also concluded that temperatures of spring season and almost the first month of summer have highest effects on SAFFRON yield. Patterns of increasing minimum and maximum temperatures of these months during the past ten years are related to trend of yield reduction in SAFFRON, and It seems that this decreasing trend will be continued.

Cites

EFFECT OF CORM DENSITY AND WATERMELON SOWING DATE AS LIVE MULCH ON QUANTITATIVE AND QUALITATIVE YIELD OF SAFFRON (CROCUS SATIVUS L.)

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APA: Copy

HOSSEINI, MOHAMMAD, MOLAFILABI, A.A., & NASIRI MAHALATI, MAHDI. (2008). SPATIAL AND TEMPORAL PATTERNS IN SAFFRON (CROCUS SATIVUS L.) YIELD OF KHORASAN PROVINCE AND THEIR RELATIONSHIP WITH LONG TERM WEATHER VARIATION. IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 6(1), 79-88. SID. https://sid.ir/paper/119113/en

Vancouver: Copy

HOSSEINI MOHAMMAD, MOLAFILABI A.A., NASIRI MAHALATI MAHDI. SPATIAL AND TEMPORAL PATTERNS IN SAFFRON (CROCUS SATIVUS L.) YIELD OF KHORASAN PROVINCE AND THEIR RELATIONSHIP WITH LONG TERM WEATHER VARIATION. IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2008;6(1):79-88. Available from: https://sid.ir/paper/119113/en

IEEE: Copy

MOHAMMAD HOSSEINI, A.A. MOLAFILABI, and MAHDI NASIRI MAHALATI, “SPATIAL AND TEMPORAL PATTERNS IN SAFFRON (CROCUS SATIVUS L.) YIELD OF KHORASAN PROVINCE AND THEIR RELATIONSHIP WITH LONG TERM WEATHER VARIATION,” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 6, no. 1, pp. 79–88, 2008, [Online]. Available: https://sid.ir/paper/119113/en

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