DETERMINATION OF YIELD RESPONSE FACTOR (KY) OF SUGAR BEET TO DEFICIT IRRIGATION AT DIFFERENT GROWTH STAGES

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EBRAHIMI PAK N.A.

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Journal: Journal of Sugar Beet Year:2010 | Volume:26 | Issue:1 Page(s): 67-79

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Title

DETERMINATION OF YIELD RESPONSE FACTOR (KY) OF SUGAR BEET TO DEFICIT IRRIGATION AT DIFFERENT GROWTH STAGES

Author(s)

EBRAHIMI PAK N.A. | Issue Writer Certificate

Keywords

DEFICIT IRRIGATIONQ3

EVAPOTRANSPIRATIONQ3

LYSIMETERQ3

SUGAR BEETQ2

YIELD RESPONSE FACTORQ3

Abstract

This study was conducted to determine the YIELD RESPONSE FACTOR (Ky) of SUGAR BEET to DEFICIT IRRIGATION at different growth stages. A field experiment was conducted in Sharekord Agricultural Research Station over two growing crop seasons (1996 -1997) using a randomized complete block design with three replications. Plots were assigned to five levels of DEFICIT IRRIGATION treatments: E0 (Full Irrigation), E1 (85%), E2 (70%), E3 (55%) and E4 (30%) of actual EVAPOTRANSPIRATION of SUGAR BEET plant at three growth stages T1: leaf growth stage, T2: tuber growth stage and T3: sugar accumulation growth stage. Reference crop EVAPOTRANSPIRATION and potential EVAPOTRANSPIRATION of SUGAR BEET was determined by drainage LYSIMETER using neutron meter. After maturity, root yield, yield components and YIELD RESPONSE FACTOR were measured. Results showed that yield was highest (49.500 t/ha) in E0 (Full irrigation) and lowest (24.6 t/ha) in E4T2. Actual EVAPOTRANSPIRATION of SUGAR BEET was 884mm. The values of YIELD RESPONSE FACTOR (ky) were 0.34- 1.38 at the first stage, 0.34- 1.33 at the second stage and 0.34- 1.39 at the third stage and the lowest EVAPOTRANSPIRATION (625 mm) was obtained in E4T2.

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APA: Copy

EBRAHIMI PAK, N.A.. (2010). DETERMINATION OF YIELD RESPONSE FACTOR (K_Y) OF SUGAR BEET TO DEFICIT IRRIGATION AT DIFFERENT GROWTH STAGES. JOURNAL OF SUGAR BEET, 26(1), 67-79. SID. https://sid.ir/paper/57642/en

Vancouver: Copy

EBRAHIMI PAK N.A.. DETERMINATION OF YIELD RESPONSE FACTOR (K_Y) OF SUGAR BEET TO DEFICIT IRRIGATION AT DIFFERENT GROWTH STAGES. JOURNAL OF SUGAR BEET[Internet]. 2010;26(1):67-79. Available from: https://sid.ir/paper/57642/en

IEEE: Copy

N.A. EBRAHIMI PAK, “DETERMINATION OF YIELD RESPONSE FACTOR (K_Y) OF SUGAR BEET TO DEFICIT IRRIGATION AT DIFFERENT GROWTH STAGES,” JOURNAL OF SUGAR BEET, vol. 26, no. 1, pp. 67–79, 2010, [Online]. Available: https://sid.ir/paper/57642/en

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