The impacts of deficit irrigation levels and intervals on Tomatoes and Eggplants yield in unconditions plastic house

Authors

  • Salahaddin A. Aziz Faculty of Agriculture Sciences, University of Sulaimani, Kurdistan Region, Iraq. Author
  • Sarkawt T. Ahmad Directorate of Agriculture Research of Sulaimani, Kurdistan Region, Iraq. Author
  • Bakhtear A. Rasheed Directorate of Agriculture Research of Sulaimani, Kurdistan Region, Iraq. Author
  • Hewa B. Sharef Directorate of Agriculture Research of Sulaimani, Kurdistan Region, Iraq. Author
  • Dlsos H. Talb Directorate of Agriculture Research of Sulaimani, Kurdistan Region, Iraq. Author

DOI:

https://doi.org/10.17656/jzs.10252

Keywords:

Deficit irrigation levels, Tomatoes and Eggplants yield, Unconditions plastic house

Abstract

This study was carried out to determine the most suitable irrigation scheduling and crop coefficient for fresh market tomatoes (Ringo – F1) and eggplants (F-1Roma) grown on a silty clay soil in unheated greenhouses condition at the Directorate of Agriculture research at Bakrajow site situated to the southwest of Sulaimani during the 2011seseon. The yield response of tomatoes and eggplants to drip irrigation were investigated. Three different irrigation levels (WL-100, WL-75 and WL- 50% of available water) the highest yield was obtained from the (WL-100%) treatment. Tomatoes’ and eggplants yields decreased with available water. The highest water use efficiency (WUE) value for tomatoes and eggplants were obtained from WL- 50% of available water were (11.41kg /m2), (9.1841kg /m2) respectively. WUE increased in all treatments as the amount of irrigation water decreased. The crop coefficient (kc) of tomatoes and eggplants were obtained from (WL-100%, WL-75% and WL-50% of available water) were (1.38, 0.92and 0.68), (2.02, 1.27and 0.88) respectively. And the highest crop coefficient (kc) of tomatoes and eggplants (1.38), (2.02) were obtained from (WL-100% of available water.

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Published

2013-03-04

How to Cite

The impacts of deficit irrigation levels and intervals on Tomatoes and Eggplants yield in unconditions plastic house. (2013). Journal of Zankoy Sulaimani - Part A, 15(2), 125-135. https://doi.org/10.17656/jzs.10252