Journal of Food, Agriculture and Environment

Vol 10, Issue 1,2012
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Applicability of micro irrigation system on cotton yield and water use efficiency


Rasoul Asadi 1, Nader Kouhi 2, Najme Yazdanpanah 3*

Recieved Date: 2011-09-04, Accepted Date: 2012-01-10


With population growing throughout the world, it is necessary to optimize water use especially in agriculture land. In order to determine water use efficiency (WUE) of Cotton using micro irrigation system, a field experiment was conducted in the Agricultural and Natural Resource Research Institute of Orzoueyeh, Kerman province. The experiment was carried out in split plot design based on Randomized Complete Block Design (RCBD) with three replications. The treatments were comprised of three levels of crop water requirements (i.e. I1, I2 and I3, that are irrigation based on 125, 100 and 75% water requirement, respectively), in main plot and two tape position as sub plot including conventional (r1) and alternative (r2) patterns. All treatments were assessed for productivity, water use and its efficiency, and economical issues, as well. The results showed that the yield obtained from I1 was 379 and 1204 kg ha-1 higher than that of I2 and I3, respectively. In addition, the obtained yield due to r1 system was 377 kg ha-1 more than the r2 pattern. However, interaction between treatments on crop yield indicated that the I1r1 treatment resulted in the maximum yield. Despite of use water equality in sub plots, WUE in r1 was 16% higher than r2. However, economical assessment exhibited that system cost in the r2 in comparison with the r1 was 11% lower.


Micro irrigation, water use efficiency, cotton yield, Orzoueyeh

Journal: Journal of Food, Agriculture and Environment
Year: 2012
Volume: 10
Issue: 1
Category: Agriculture
Pages: 302-306

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