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1 January 2015 Modeling the Wetting Patterns in Cultivation Substrates under Drip Irrigation
Zhigang Liu, Pingping Li, Yongguang Hu, Jizhang Wang
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Liu, Z.; Li, P.; Hu, Y., and Wang, J., 2015. Modeling the wetting patterns in cultivation substrates under drip irrigation.

Information on the depths and widths of the wetted zone of substrate is a pre-requisite for the design and operation of drip irrigation systems. A semi-empirical model was developed using the dimensional analysis method to simulate the geometry of wetted substrate zone under drip irrigation. The simulated values of the wetted width and wetted depth were compared with those obtained through field experiments to test model applicability. Statistical analysis revealed that the values of Mean Square Error, Mean Error and Model Efficiency were 1.11 cm, 0.53 cm and 80.6% at least respectively. For the prediction of wetted width and depth of substrate T1 and T2, therefore, the develop model can be used to describe wetted substrate patterns under drip irrigation system with an emitter.

© 2015 Coastal Education and Research Foundation
Zhigang Liu, Pingping Li, Yongguang Hu, and Jizhang Wang "Modeling the Wetting Patterns in Cultivation Substrates under Drip Irrigation," Journal of Coastal Research 73(sp1), 173-176, (1 January 2015).
Received: 3 June 2014; Accepted: 13 September 2014; Published: 1 January 2015
drip irrigation.
simulation model
vinegar residue
wetting pattern
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