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Information Journal Paper

Title

Comparison of water requirement and crop coefficient first and second crops of rice varieties of Tarom Hashemi (Khazar Abad area)

Pages

  159-167

Abstract

 More than 75% of the rice cultivated land is located in the northern provinces of Mazandaran, Gilan and Golestan. In recent years, the second cultivation of rice has been developed. This research was carried out in Mazandaran province, Khazarabad region of Sari, for the Premature varieties of local Tarom during two seasons for second cultivation in (2016 and 2017). In this study, triplicate overflow was used to measure inlet and outflow discharges. Three lysimeter were used to determine the water requirement of the fields. The water requirement was calculated from the input difference, which included the amount of water input that was calculated by overflow, as well as rainfall and output, including (evapotranspiration, permeability of the lateral submerged area and drainage water) Also, the irrigation of three stages of crop, reproductive and rearing for the first crop of (2015) was estimated to be 1. 10, 1/5, 1/2 The coefficient for the second cultivation of (2016) was. /98, 1. 4, 1. 03, and the second planting factor of 2017 was. /95, 1. 34, 1/01 respectively. The results show that the amount of water requirement in the second cultivation of 2016 and 2017 is 33%, 27% less than the first crop of 2015 respectively. Also, the average of crop factor in three stages of growth in the second cultivation of 2016 and 2017 was 10% and 12%, respectively, compared to the first one of 2015. Therefore, in regions where there is a good level of rainfall during the second crop, it is possible to recommend the second crop of rice.

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  • Cite

    APA: Copy

    BABAEE, MARYAM, MASHAL, MAHMOOD, SHAHNAZARI, ALI, & Azadegan, Behzad. (2019). Comparison of water requirement and crop coefficient first and second crops of rice varieties of Tarom Hashemi (Khazar Abad area). IRANIAN OF IRRIGATION & WATER ENGINEERING, 9(35 ), 159-167. SID. https://sid.ir/paper/247117/en

    Vancouver: Copy

    BABAEE MARYAM, MASHAL MAHMOOD, SHAHNAZARI ALI, Azadegan Behzad. Comparison of water requirement and crop coefficient first and second crops of rice varieties of Tarom Hashemi (Khazar Abad area). IRANIAN OF IRRIGATION & WATER ENGINEERING[Internet]. 2019;9(35 ):159-167. Available from: https://sid.ir/paper/247117/en

    IEEE: Copy

    MARYAM BABAEE, MAHMOOD MASHAL, ALI SHAHNAZARI, and Behzad Azadegan, “Comparison of water requirement and crop coefficient first and second crops of rice varieties of Tarom Hashemi (Khazar Abad area),” IRANIAN OF IRRIGATION & WATER ENGINEERING, vol. 9, no. 35 , pp. 159–167, 2019, [Online]. Available: https://sid.ir/paper/247117/en

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