Comparison of the Effect of Furrow and Drip Irrigation with Waste Water Combined with Deficit Irrigation on Yield Indices and Water Use Efficiency of Corn

Authors

  • Amerian, M. 1. Irrigation and Drainage Department, Collage of Aburaihan, University of Tehran.
  • Karami, A. 1. Irrigation and Drainage Department, Collage of Aburaihan, University of Tehran.
Abstract:

Today, one of the biggest challenges facing the world is the lack of water, especially in the agricultural sector. In this research, we investigated the effects of irrigation method and deficit irrigation with the urban refined effluent on biomass, grain yield, yield components and water use efficiency in single grain crosses 704 maize. This research was carried out in a randomized complete block design with two irrigation systems (furrow irrigation (F) and drip irrigation (T)) and three levels of deficit irrigation treatments of 100 (D1), 75 (D2) and 55 (D3) percent of water requirements in three replications, in 2017, at the collage of Abourihan Research field, University of Tehran, in Pakdasht County. The results showed that the highest yield of biomass was 2.426 Kg m-2 for full drip irrigation treatments; also, there was no significant difference between D1 and D2 treatments. The highest grain yield was 1.240 kg m-2 for the complete drip irrigation treatment. The highest biomass water use efficiency was obtained for the treatment of 75% drip irrigation, which was equal to 5.3 kg per cubic meter of water. Therefore, a drip irrigation system with 75% water requirement is optimal and could be recommended.

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Journal title

volume 24  issue 3

pages  179- 190

publication date 2020-11

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