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Journal: JOURNAL OF RESEARCH IN CROP SCIENCES | Year:1389 | Volume:3 | Issue:10 | Start Page:133 | End Page:145

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Information Journal Paper

Title

THE EFFECTS OF THE AMOUNT OF WATER USAGE ON QUALITY AND QUANTITY OF SUGAR BEET CULTIVARS

Writers

NABIZADEH E. | FOTOHI K.

Pages

 Start Page 133 | End Page 145

Abstract

 Limitation of irrigation water during years with low rainfall has a remarkable impact on the root yield and income of SUGAR BEET growers. In 2008 an experiment was conducted on the farm of Agricultural Faculty of Islamic Azad University, Mahabad in order to study the effects of amount of water usage on the QUALITY AND QUANTITY of SUGAR BEET. In this study three irrigation treatments; I1, I2 and I3 (8243, 7419 and 6594 water use per ha) were applied to two SUGAR BEET cultivars. The results showed that with the increase of the amount of water use from I1 to I2, root yield, impure sugar, root Na and the extractable sugar decreased, but the percentage of sugar and the amount of detrimental root Na increased significantly. The maximum root yield in L1 increased to 49.5 t/ha while it decreased to 31.06 t/ha in I3. With the decrease of irrigation water use the sugar yield decreased to 5.57 in I3 compared with 9.08 in I1. The amounts of Na and K in I2 were maximum whose accumulation in the roots of the two cultivars had a significant difference. In general, the results of the study showed that the yield could be assumed as a product of (root yield x impure sugar) and it is a criterion for the growers' income. The treatment I2 can be recommended for the conditions of the cities in the vicinity of Miyandoab Sugar Factory in order to obtain the maximum sugar yield and use the minimum water. Meanwhile, we have to consider the suitable cultivar for the areas.

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