SAFFRON IRRIGATION REGIME

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SEPASKHAH ALI REZA; KAMGAR HAGHIGHI A.A.

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Journal Paper

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Journal: INTERNATIONAL JOURNAL OF PLANT PRODUCTION Year:2009 | Volume:3 | Issue:1 Page(s): 1-16

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Information Journal Paper

Title

SAFFRON IRRIGATION REGIME

Author(s)

SEPASKHAH ALI REZA | KAMGAR HAGHIGHI A.A. | Issue Writer Certificate

Keywords

IRRIGATION INTERVAL

IRRIGATION SCHEDULING

SUPPLEMENTAL IRRIGATION

RAIN-FED

CROP WATER

Abstract

Saffron is grown in arid and semi-arid regions in Iran in late autumn, winter and late spring with rainy season. It should be irrigated by supplemental basin irrigation. Since rainfall is usually delayed in autumn, therefore, a pre-flowering irrigation of about 100 mm is needed. In areas with a seasonal rainfall of 600 mm a post- flowering irrigation of about 50 mm is adequate for economical yield. In areas with seasonal rainfall of 400 and 200 mm continuous SUPPLEMENTAL IRRIGATION is needed with intervals of 24 and 15 days or irrigation regimes of 50% ETp and 75% ETp, respectively. In these areas, irrigation regimes can be planned based on CROP WATER stress index (CWSI) of 0.60 and 0.27, respectively. Monthly values of crop coefficient (Kc) and pan coefficient (Kp) for saffron arepresented with the highest values of 1.10 and 0.84, respectively, that occurred in January. For the three-, four-and five-year old fields with higher amount of corm intensity the optimum irrigation water is zero for about 300 mm of rainfall. While for the six-and seven-year old fields the optimum irrigation water is zero for about 500 mm of rainfall. Flower production decreased 49% by using irrigation water with salinity level of 1.7 dS m-1 and no flower produced at salinity level of 4.0 dS m-1, while leaf growth occurred in this salinity. Furthermore, 50% flower yield is produced at soil water salinity of 3.6 dS m-1.

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APA: Copy

SEPASKHAH, ALI REZA, & KAMGAR HAGHIGHI, A.A.. (2009). SAFFRON IRRIGATION REGIME. INTERNATIONAL JOURNAL OF PLANT PRODUCTION, 3(1), 1-16. SID. https://sid.ir/paper/314562/en

Vancouver: Copy

SEPASKHAH ALI REZA, KAMGAR HAGHIGHI A.A.. SAFFRON IRRIGATION REGIME. INTERNATIONAL JOURNAL OF PLANT PRODUCTION[Internet]. 2009;3(1):1-16. Available from: https://sid.ir/paper/314562/en

IEEE: Copy

ALI REZA SEPASKHAH, and A.A. KAMGAR HAGHIGHI, “SAFFRON IRRIGATION REGIME,” INTERNATIONAL JOURNAL OF PLANT PRODUCTION, vol. 3, no. 1, pp. 1–16, 2009, [Online]. Available: https://sid.ir/paper/314562/en

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