THE STUDY OF THE EFFECTS OF DEFICIT IRRIGATION ON COTTON YIELD AND DETERMINATION OF WATER PRODUCTION FUNCTION IN MAZANDARAN PROVINCE

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AKBARI D.; ALIZADE GH.; POURSANI E.

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Journal: PLANT AND ECOSYSTEM Year:2006 | Volume:2 | Issue:8 Page(s): 73-84

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Title

THE STUDY OF THE EFFECTS OF DEFICIT IRRIGATION ON COTTON YIELD AND DETERMINATION OF WATER PRODUCTION FUNCTION IN MAZANDARAN PROVINCE

Author(s)

AKBARI D. | ALIZADE GH. | POURSANI E. | Issue Writer Certificate

Keywords

DEFICIT IRRIGATION COTTON YIELDQ2

WATER USE EFFICIENCY WATER-YIELD RELATIONQ3

MAZANDARAN PROVINCEQ2

Abstract

In order to study the effect of deficit irrigation, estimate of yield function, improvement of water use efficiency and obtain the optimum yield of cotton, an experiment based on Randomized Complete Block Design (RCBD) consist of 6 water treatments with 4 replicates on cotton (Sahel var) was conducted in Baye Kola Agricultural Research Station in Mazndaran Province for 2 years (2002, 2003). Analysis of variance and comparing 2 years experiments showed that the effect of irrigation treatment on cotton yield at 1% probability level was significant. The irrigation treatments were conducted based on 0, 25, 50, 75, 100 and 125 percent of water requirements. Io treatment (zero percent of water requirement) and I3 (75% of water requirement) with the 1679 and 3099 Kg/ha yield had the minimum and maximum yield respectively. However water use efficiency in Io and I1 treatments were the maximum values. It is observed that in I3 treatment with 25% reduction of water requirement there is no yield reduction and in I2 treatment with 50% water requirement reduction (comparing with perfect water use I4 treatment) about 15% yield reduction was obtained. According to the results of this research it is not necessary to irrigate the cotton with perfect water requirement and 50% of water requirement is sufficient.

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APA: Copy

AKBARI, D., ALIZADE, GH., & POURSANI, E.. (2006). THE STUDY OF THE EFFECTS OF DEFICIT IRRIGATION ON COTTON YIELD AND DETERMINATION OF WATER PRODUCTION FUNCTION IN MAZANDARAN PROVINCE. PLANT AND ECOSYSTEM, 2(8), 73-84. SID. https://sid.ir/paper/145199/en

Vancouver: Copy

AKBARI D., ALIZADE GH., POURSANI E.. THE STUDY OF THE EFFECTS OF DEFICIT IRRIGATION ON COTTON YIELD AND DETERMINATION OF WATER PRODUCTION FUNCTION IN MAZANDARAN PROVINCE. PLANT AND ECOSYSTEM[Internet]. 2006;2(8):73-84. Available from: https://sid.ir/paper/145199/en

IEEE: Copy

D. AKBARI, GH. ALIZADE, and E. POURSANI, “THE STUDY OF THE EFFECTS OF DEFICIT IRRIGATION ON COTTON YIELD AND DETERMINATION OF WATER PRODUCTION FUNCTION IN MAZANDARAN PROVINCE,” PLANT AND ECOSYSTEM, vol. 2, no. 8, pp. 73–84, 2006, [Online]. Available: https://sid.ir/paper/145199/en

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