IRRIGATION SCHEDULING USING CROP CANOPY-AIR TEMPERATURE DIFFERENCE FOR SUGARCANE

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BOROUMANDNASAB S.; KASHKOULI HEYDAR ALI; NASERI A.A.; RASHIDZADEH F.

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Journal: AGRICULTURAL RESEARCH Year:2007 | Volume:7 | Issue:1 Page(s): 1-6

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Title

IRRIGATION SCHEDULING USING CROP CANOPY-AIR TEMPERATURE DIFFERENCE FOR SUGARCANE

Author(s)

BOROUMANDNASAB S. | KASHKOULI HEYDAR ALI | NASERI A.A. | RASHIDZADEH F. | Issue Writer Certificate

Keywords

CROP WATER STRESS INDEXQ3

SUGARCANEQ3

CROP CANOPY TEMPERATUREQ3

Abstract

Irrigation scheduling in agricultural lands needs to know time and amounts of irrigation. In agricultural lands at the Khoozestan, SUGARCANE is planted and time of irrigation was scheduled using a conventional method namely crop-logging method. This method is time consuming and expensive. In this study, feasibility of application of crop canopy - air temperature difference method for irrigation scheduling was investigated. This research was accomplished in SUGARCANE lands in Imam Khomainy cultivation and industry company, Shooshtar, Iran. Two treatments including "Plant" and "Ratoon 3" in six replication were selected. CROP WATER STRESS INDEX and leaf sheath moisture before the irrigation was measured simultaneously. Lower base line equation was estimated using the measured crop canopy-air temperature difference and vapour pressure as: Tc - Ta=0.522-0.115 (VPD), in which Tc, Ta, and VPD are CROP CANOPY TEMPERATURE, air temperature, and vapor pressure deficit respectively. Upper base line was determined as 1oC. For the SUGARCANE lands which the time of irrigation was reached, leaf sheath moisture and CROP WATER STRESS INDEXes (CWSIs) were measured simultaneously. The results showed CROP WATER STRESS INDEXes varied between 0.1 to 0.3. Based on the average value of CWSI in the irrigation time, an equation was proposed using Idso method to determine the time of irrigation. The results showed this method can be replaced the crop-logging method.

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APA: Copy

BOROUMANDNASAB, S., KASHKOULI, HEYDAR ALI, NASERI, A.A., & RASHIDZADEH, F.. (2007). IRRIGATION SCHEDULING USING CROP CANOPY-AIR TEMPERATURE DIFFERENCE FOR SUGARCANE. AGRICULTURAL RESEARCH, 7(1), 1-6. SID. https://sid.ir/paper/84705/en

Vancouver: Copy

BOROUMANDNASAB S., KASHKOULI HEYDAR ALI, NASERI A.A., RASHIDZADEH F.. IRRIGATION SCHEDULING USING CROP CANOPY-AIR TEMPERATURE DIFFERENCE FOR SUGARCANE. AGRICULTURAL RESEARCH[Internet]. 2007;7(1):1-6. Available from: https://sid.ir/paper/84705/en

IEEE: Copy

S. BOROUMANDNASAB, HEYDAR ALI KASHKOULI, A.A. NASERI, and F. RASHIDZADEH, “IRRIGATION SCHEDULING USING CROP CANOPY-AIR TEMPERATURE DIFFERENCE FOR SUGARCANE,” AGRICULTURAL RESEARCH, vol. 7, no. 1, pp. 1–6, 2007, [Online]. Available: https://sid.ir/paper/84705/en

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