Volume 9, Issue 1 (spring 2005)
jwss 2005, 9(1): 1-8 |
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J. Niazi, H. R. Fooladmand, S. H. Ahmadi, J. Vaziri. Water Requirement and Crop Coefficient of Wheat in Zarghan Area, Fars Province. jwss 2005; 9 (1) :1-8
URL: http://jstnar.iut.ac.ir/article-1-277-en.html
URL: http://jstnar.iut.ac.ir/article-1-277-en.html
Abstract: (27693 Views)
A research was conducted in Fars province Agricultural Research Center in Zarghan area from 1999 to 2002 to determine the water requirement and crop coefficient of wheat, applying lysimeter.
The results indicated that the water requirements of wheat were 720, 712 and 674 mm in the years of 1999-2000, 2000-2001 and 2001-2002, respectively. Using Penman-Monteith method for estimating reference crop potential evapotranspiration, the crop coefficients for wheat at a four-stage crop growth were 0.37, 0.64, 1.10 and 0.51, respectively. Due to the inaccessibility of the whole weather data, we tried to figure out a solution to determine wheat water requirement to schedule irrigation planning for future. In this respect, we made use of a ten-day class A pan mean evaporation and crop coefficient.
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