The effect of magnetized water and different salinity levels on seedling emergence of cotton (Varamin cultivar) in Kashmar

Document Type : Research Paper

Authors

1 Assistant Prof., Water Engineering Dept., Kashmar Higher Education Institute, Kashmar, Iran

2 Lecturer, Soil and Water lab., Kashmar Higher Education Institute, Kashmar, Iran

3 Assistant Prof., Cotton Research Institute, Agricultural Research, Education and Promotion Organization, Gorgan, Iran

Abstract

In order to investigate the effect of magnetic field and irrigation with different salinity levels on cotton seedling emergence, a study was conducted as factorial experiment in a randomized complete block design with three replications in the Kashmar Higher Education Institute during 2016. In this experiment, different levels of irrigation water salinity were considered i.e.0.5: (S1); 3: (S2); 7: (S3); 10: (S4); and 13: (S5) ds/m as a main plots and magnetic field (M1) and non-magnetic (M2) as sub-plots. Six Neodymium-iron-boron magnets with the power of 1500 mT and dimensions of 4×2×1 cm were used to produce magnetized water. were included Determination of percentage and duration of seedling emergence under irrigation by magnetic and no magnetic were evaluated parameters The results showed that by increasing of salinity, germination of cotton reduced so that the ratio of reduction were as 46, 60, 83 and 100 % for salinities treatments i.e. 3, 7, 10 and 13 ds/m, respectively, under non-magnetic condition and also under magnetic condition were at the rates of 21, 46, 36 and 50 %, respectively. According to the results, it was evident that more than 67 % of the buds were appeared in all salinity levels under magnetic conditions before the fourth day after the appearance of the first seedling, while for non-magnetic conditions were obtained sixth day for low salinity and for high salinity 15day after the appearance of the first seedling. The results showed that magnetic water effect was significant at 1 and 5% on number of seedling and accelerate germination time, respectively. Therefore, it can be conclude that magnetic effect was positive on the number of buds and accelerate germination time under various irrigation water salinities.

Keywords

References

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Iranian Journal of Cotton Researches
Volume 5, Issue 2 - Serial Number 10
February 2018
Pages 75-90

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