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Ramadan, M. (2009). EFFECT OF SPRINKLER RISER CHARACTERISTICS ON APPLICATION UNIFORMITY. Journal of Soil Sciences and Agricultural Engineering, 34(6), 7399-7408. doi: 10.21608/jssae.2009.103865
M. H. Ramadan. "EFFECT OF SPRINKLER RISER CHARACTERISTICS ON APPLICATION UNIFORMITY". Journal of Soil Sciences and Agricultural Engineering, 34, 6, 2009, 7399-7408. doi: 10.21608/jssae.2009.103865
Ramadan, M. (2009). 'EFFECT OF SPRINKLER RISER CHARACTERISTICS ON APPLICATION UNIFORMITY', Journal of Soil Sciences and Agricultural Engineering, 34(6), pp. 7399-7408. doi: 10.21608/jssae.2009.103865
Ramadan, M. EFFECT OF SPRINKLER RISER CHARACTERISTICS ON APPLICATION UNIFORMITY. Journal of Soil Sciences and Agricultural Engineering, 2009; 34(6): 7399-7408. doi: 10.21608/jssae.2009.103865

EFFECT OF SPRINKLER RISER CHARACTERISTICS ON APPLICATION UNIFORMITY

Article 28, Volume 34, Issue 6, June 2009, Page 7399-7408  XML PDF (799.62 K)
Document Type: Original Article
DOI: 10.21608/jssae.2009.103865
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Author
M. H. Ramadan
Agric. Eng. Dept., Faculty of Agric., Al-Mansoura University.
Abstract
 
The sprinkler riser characteristics; height, angle and rigid fixation are of great importance for the sprinkler application uniformity. Single sprinkler pattern tests were carried out to generate data required for field uniformities with different riser characteristics.  Data from the single sprinkler tests were then overlapped to simulate system uniformities. Results were compared for different riser heights, riser angles, PVC and steel risers.  Trials were carried out using two types of sprinkler heads.
The statistical analysis indicated that riser characteristics affect significantly the application uniformity at 5 % significance level. However, the effect of some treatments was positive and for some others was negative. The negative effects of non-optimum riser characteristics can be minimized by closer spacing pattern. 
Keywords
Riser characteristics; Application uniformity
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