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Effect of Irrigation Water Salinity on Yield and Some Yield Components of Cotton in Isfahan | ||
| پژوهش آب در کشاورزی | ||
| Volume 27, Issue 4, April 2014, Pages 601-610 PDF (408.28 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.22092/jwra.2014.128866 | ||
| Authors | ||
| Mohsen Dehghani* ; Majid Jafaraghaee; Reza Mohammadikia | ||
| Abstract | ||
| Due to the deficiency of available water resources in our country, use of unconventional water seems to be necessary. In this regard, in order to study the effect of irrigation water salinity on yield and yield components of three varieties of cotton, this experiment was carried out in a randomized complete blocks design and three replications in Rodasht Agricultural Research Station during 2 years. The main variable studied was Electrical Conductivity of irrigation water at four levels i.e. 4, 7, 10, and 13 dSm-1, and the sub-main factor was cotton varieties that included B557, Tabladila, and Deltapain 16. Statistical analysis of the results showed that the effects of salinity (EC) as well as some minerals, especially sodium ions, in irrigation water were significant (at the 1% level) on the boll yield, water consumption, water use efficiency, weight of 10 bolls, the number of bolls in each plant, and the number of green plants. Also, yield, irrigation water use efficiency, boll weight, number of bolls per plant, and the number of germinated plants of the studied varieties differed significantly. | ||
| Keywords | ||
| Cotton bolls; EC of irrigation water; Unconventional water | ||
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