CROP COEFFICIENT AND WATER REQUIREMENT OF RICE IN KOOSHKAK AREA, FARS PROVINCE

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PIRMORADIAN N.; SEPASKHAH ALI REZA; KAMGAR HAGHIGHI A.A.

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Journal Paper

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Journal: Journal of Water and Soil Science Year:2002 | Volume:6 | Issue:3 Page(s): 23-34

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Title

CROP COEFFICIENT AND WATER REQUIREMENT OF RICE IN KOOSHKAK AREA, FARS PROVINCE

Author(s)

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

Keywords

CROP COEFFICIENT

WATER REQUIREMENT

RICE

Abstract

This research was conducted in Kooshkak Farm Research Station of Shiraz University in 1997 and 1998 in order to determine CROP COEFFICIENT and WATER REQUIREMENTs of RICE, using lysimeter. The variety used was Champa-Kamfiroozi which is an early mature variety and is grown by most farmers in the area. Results showed that potential evapo-transpiration varied from 3.76 to 9.34 mm/day. Penman FAO method was used in calculating reference evapo-transpiration. CROP COEFFICIENT was 0.97 in the initial growth stage, 1.25 in the mid-season growth stage, and 1.09 at the time of harvest. Total crop evapo-transpiration rates in 1996 and 1997 were 560 and 757 mm, respectively. Average deep percolation rates in the growing season was 3.4 and 3.5 mm/day in 1996 and 1997, respectively. Finally the total WATER REQUIREMENTs of RICE in 1996 and 1997 were 1983 and 2361 mm, respectively.

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APA: Copy

PIRMORADIAN, N., SEPASKHAH, ALI REZA, & KAMGAR HAGHIGHI, A.A.. (2002). CROP COEFFICIENT AND WATER REQUIREMENT OF RICE IN KOOSHKAK AREA, FARS PROVINCE. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 6(3), 23-34. SID. https://sid.ir/paper/529477/en

Vancouver: Copy

PIRMORADIAN N., SEPASKHAH ALI REZA, KAMGAR HAGHIGHI A.A.. CROP COEFFICIENT AND WATER REQUIREMENT OF RICE IN KOOSHKAK AREA, FARS PROVINCE. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2002;6(3):23-34. Available from: https://sid.ir/paper/529477/en

IEEE: Copy

N. PIRMORADIAN, ALI REZA SEPASKHAH, and A.A. KAMGAR HAGHIGHI, “CROP COEFFICIENT AND WATER REQUIREMENT OF RICE IN KOOSHKAK AREA, FARS PROVINCE,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 6, no. 3, pp. 23–34, 2002, [Online]. Available: https://sid.ir/paper/529477/en

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