Volume 27, Issue 2 (Summer 2023)                   jwss 2023, 27(2): 151-162 | Back to browse issues page

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Aghaei S, Gheysari M, Shayannejad M. Yield and Water Productivity of Wheat under Drip-Tape and Surface Irrigation System in East of Isfahan. jwss 2023; 27 (2) :151-162
URL: http://jstnar.iut.ac.ir/article-1-4287-en.html
Isfahan University of Technology , sepideaghaei71@gmail.com
Abstract:   (360 Views)
Due to water scarcity, it is impossible to utilize all irrigated cropland in arid and semi-arid areas. Therefore, dense cultivation with a drip irrigation system that delivers water directly to the plant's root zone is an appropriate choice to enhance water productivity. The objectives of the present study were to compare wheat yield and water productivity under two different water distribution patterns in the drip-tape irrigation system and surface irrigation in full irrigation and deficit irrigation levels. The experimental treatments consist of two irrigation systems (drip-tape (DT), and surface irrigation (SU)), and three different irrigation levels (a full irrigation level (W1), two deficit irrigation levels, the irrigation interval twice, and the same irrigation depth of W1 level (W2), applied half of the irrigation depth of W1 level at the same time (W3)). The SU was implemented in place with 100% efficiency to avoid runoff. The yield in full irrigation level in DT was 5338.4 kg/ha and in SU was 5772.8 kg/ha. Applying deficit irrigation in two irrigation systems has different effects due to various water distribution patterns. In the DT, the most yield reduction was in W2, and in SU was in W3. The highest water productivity in DT was observed in W3 with a 1.44 kg/m3 value. The highest water productivity in SU was observed in W2 with a 1.46 kg/m3 value. For each irrigation system, some type of deficit irrigation management is optimal.
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Type of Study: Research | Subject: Ggeneral
Received: 2022/08/10 | Accepted: 2023/01/24 | Published: 2023/09/1

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