Impact of irrigation water depth and lateral placement depth of subsurface drip irrigation system on yield and some morphological traits of winter wheat in Sanandaj

Document Type : Original Article

Authors

1 M.Sc. student, Department of Irrigation and Drainage, Tarbiat Modares University, Tehran, Iran

2 Department of water sciences and Engineering, Faculty of Agriculture, University of Kurdistan, Sanandaj, Iran

3 Department of Irrigation and Drainage, faculty of Agriculture, Tarbiat Modares University

Abstract

Water resources limitation is the most important problem in sustainable agriculture development in Iran. The optimum use of water in agriculture is an inevitable necessity to conservation of water resources. The use of modern irrigation methods and the application of management strategies such as deficit irrigation will increase the crops yield and water productivity. The purpose of this study was to investigate the effects of different irrigation levels and depth of drip irrigation lateral placement on yield, yield components and some morphological traits of winter wheat in Sanandaj. Field experiment was conducted in 2018 as a split plot based on complete randomized block design. The main plots and sub plots of the present study were irrigation levels (60, 80, 100 and 120% water requirements) and depth of irrigation lateral placement (0, 30, 40 and 50 cm) respectively. The results showed that the effect of irrigation water depth and the depth of lateral placement were significant on the yield and yield components (p≤0.01). Maximum grain yield and biological yield of wheat were obtained with irrigation water depth equal 100 percent of water requirement and the depth of drip irrigation lateral placement equal 30 cm. Results of interaction between treatments showed that the maximum straw yield was obtained in treatment with irrigation depth equal 120 percent of water requirement and depth of lateral placement equal 40 cm.

Keywords

References

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