COMPARATIVE STUDY AMONG IRRIGATION SYSTEMS FOR COWPEA YIELD IN SANDY SOIL | ||||
| Misr Journal of Agricultural Engineering | ||||
| Article 10, Volume 30, Issue 3, July 2013, Page 745-764 PDF (836.24 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/mjae.2013.102011 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| E. I. Abdel- Aal1; M. A. Hassan2 | ||||
| 1Assoc. Prof., Agric. Eng., Dept., Faculty of Agric., Zagazig Univ., Egypt. | ||||
| 2Prof., Agric. Eng., Dept., Faculty of Agric., Zagazig Univ., Egypt. | ||||
| Abstract | ||||
| A field study was conducted at the experimental Farm of the Faculty of Agriculture, Zagazig Univeristy, Sharkia Governorate, during the summer season 2009 to determine comparative study between irrigation systems (traditional, sprinkler, drip and subsurface) for irrigation efficincy, water saving, cowpea yield, yield components, water use efficincy and net profit in sandy soil conditions. The experimental results reveal that: The application efficiency; distribution uniformity and irrigation efficiency for subsurface irrigation increased by 4.2, 13.5 and 60.1%; 4.57, 15.97 and 29.06% and 8.99, 31.70 and 109.75% compared with drip, sprinkler and traditional systems. Kccalculated and KcFAO values were 0.40 and 0.41; 0.82 and 1.05 and 0.55 and 0.60 at the different stage of cowpea. Drip system increased the pod yield and WUE by 14.98 and 9.47%, 40.42 and 57.58%and 61.76 and 188.89% compared with subsurface, sprinkler and traditional systems. The highest water saving was obtained of 1780, 1675 and 1420 m3/fed under subsurface, drip and sprinkler compared with traditional systems. The highest net profit was obtained of 3276, 2680, 1823 and 1602 LE/fed under drip, subsurface, traditional and sprinkler irrigation systems. | ||||
| Keywords | ||||
| irrigation systems; water saving; efficiency; net profit; cowpea | ||||
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