Volume 18, Issue 3 (2016)                   JAST 2016, 18(3): 817-830 | Back to browse issues page

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Yavuz D, Yavuz N, Suheri S. Design and Management of a Drip Irrigation System for an Optimum Potato Yield. JAST 2016; 18 (3) :817-830
URL: http://jast.modares.ac.ir/article-23-7725-en.html
1- Department of Farm Structure and Irrigation, Faculty of Agriculture, Selcuk University, Konya, Turkey.
Abstract:   (5910 Views)
This study was conducted to determine the effects of different lateral spacings and wetting factors on the yield and yield components of drip-irrigated potato under the Middle Anatolian climatic conditions in Konya, Turkey. The experiments were carried out during the growth seasons of 2008 and 2009. The Russet Burbank potato variety was used as a plant material in this study. The irrigation design treatments consisted of two different lateral spacings (A1= 0.7 m and A2= 1.4 m) and three different wetting factors (P1= 1.0, P2= 0.5, and P3: A variable percentage of the wetted area depending on the lateral spacing). The results showed that the total amounts of applied irrigation water ranged from 297 to 625 mm and from 288 to 598 mm in 2008 and 2009, respectively. Considering the average yields for the two years, the highest tuber yield (50.87 t ha–1) was obtained from the A1P1 treatment, and the lowest tuber yield (27.37 t ha–1) was obtained from the A2P3 treatment. It was found that the different lateral spacings and wetting factors statistically affected the mean tuber weight, the number of tubers per plant, the tuber diameter, the tuber size, and the marketable tuber yield (P< 0.01). The highest Water Use Efficiency (WUE) and Irrigation Water Use Efficiency (IWUE) calculated were 7.78 and 9.40 kg m−3, respectively,in the A1P3 treatment. A single lateral design for two crop rows resulted in less income than one lateral design for each crop row for drip-irrigated marketable potatoes.
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Article Type: Research Paper | Subject: Irrigation and Drainage
Received: 2014/11/25 | Accepted: 2015/05/4 | Published: 2016/05/1

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