Journal of Agricultural Science and Engineering
Articles Information
Journal of Agricultural Science and Engineering, Vol.6, No.1, Mar. 2020, Pub. Date: Jun. 29, 2020
Effect of Centre Pivot Irrigation System Hydraulic Performance at Different Operating Speeds on the Different Seasons in Khartoum State, Sudan
Pages: 8-12 Views: 14 Downloads: 6
[01] Abdulsalam Mohammed Ali Yhia Omer, Department of Agricultural Engineering, Faculty of Agriculture and Natural Resources, University of Kassala, Halfa-elgadida, Sudan.
[02] Abdelmoneim Elamin Mohamed, Department of Agricultural Engineering, Faculty of Agriculture, University of Khartoum, Khartoum, Sudan.
[03] Bushra Mohammed Ahmed Eisa, Department of Agricultural Engineering, Faculty of Agriculture, University of Khartoum, Khartoum, Sudan.
This study was carried out during the period January 2016 to December 2017 in Khartoum State at the Central Trading Company (CTC) Farm for Agricultural Production. The site lies at a distance of about 135 km North West of Omdurman town. The objective of the study was to investigate the effect of centre pivot irrigation system performance during different seasons. Four Zimmatic centre pivot irrigation systems (Lindsay make) were chosen randomly for the experimental work. Each one system was operated with two operating speeds (40% and 70%) during three different seasons (summer, autumn and winter). The experimental design used was the CRBD design and the data was analyzed by the SAS program. The hydraulic performance parameter of the systems were determined namely, application uniformity (Ea%), coefficient of uniformity (Cu%), distribution uniformity (Du%) and scheduling coefficient (Sc). The analysis of variance showed that there were no significant differences (P ≤ 0.01) in Cu%, Du% and Su values for the different operating speeds, while Ea% values were highly significantly different (P≥0.01). The highest Ea% value of 89% was recorded under the operating speed 40%, while the lowest value of 67% was recorded under the operating speed 70% during the summer and winter seasons. It can be concluded from the study that the centre pivot irrigation system under different operating speeds and different seasons affected on the hydraulic performance. The best performance achieved was when using the operating speed 40% at winter season.
Hydraulic Performance, Operating Speeds, Different Seasons
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