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bypass
P.C.N.C.
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coefficient of variability
CV
CvSq
qa
n
qi
emission uniformity
Eu
Euqlq
qa
Eu
ASABE
Eu
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ASABE
Uc
uniformity coefficient
Uc
uniformity coefficient
UcASABE
distributionuniformity
Dudistribution uniformity
qm
emitterdischarge-pressure relationship
qk
hx
x
x
x
x
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N.C.
N.C.P.C.
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CV
CVN.C.CV=13.1%
P.C.CV=10.7%
CV
CV
N.C.
CV
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CVN.C.P.C.
CVP.C.
N.C.
CV
N.C.Eu
Eu
Eu
N.C.
EuN.C.
Eu
CV=4.9%
Eu
N.C.P.C.
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Eu
Uc
N.C.P.C.
Uc
Uc
Uc
N.C.P.C.Du
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Uc
Uc
DuP.C.N.C.
Du
Du=96%
Du
Du
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kx
xN.C.
P.C.
xk
kx
xk
P.C.N.C.
N.C.
P.C.
P.C.LPHqaCV
UcN.C.LPHqaCV
UcP.C.
LPHqaCVUcN.C.
LPHqaCVUc
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11. Barragan J., Bralts V. and Wu I.P. (2006)
Assessment of emission uniformity for micro-
irrigation design. Biosystems Engineering.
93(1): 89-97.
12. Bralts V.F. and Edwards D.M. (1986) Field
evaluation of drip irrigation sub-main units.
Transactions of the ASAE. 29(6): 1659-1664.
13. Burt C.M. and Styles W.S. (2007) Drip and
micro irrigation design and management for
trees, vines, and field crops- practice plus
theory. Irrigation Training and Research Center,
3rd Edition, California Polytechnic State
University (Cal Poly), USA. 396p.
14. Dutta D.P. (2008) Characterization of drip
emitters and computing distribution uniformity
in a drip irrigation system at low pressure under
uniform land slopes. M.Sc. Thesis, Texas A&M
University, USA. 123p.
15. Merriam J.L. and Keller J. (1978) Farm
irrigation system evaluation: A guide to
management. Utah State University, Logan,
Utah. 271p.
16. Ortega J.F., Tarjuelo J.M. and Juan J.A. (2002)
Evaluation of irrigation performance in
localized irrigation systems of semiarid regions
(Castilla-La Mancha, Spain). Agricultural
Engineering International: the Cigr Journal of
Scientific Research and Development. 4: 1-17.
17. Yildirim O. and Orta A.M. (1995) Evaluation of
some drip irrigation systems in Antalya Region.
Irrigation and Drainage Abstracts. 21(1): 51.