System evaluation for emission device clogging
How do I determine if I have a clogging problem?
There are two methods that are frequently used to detect microirrigation system clogging. Either (1) you measure the system flow rate, or (2) you collect samples from the emission devices.
In some locations, you may be able to get a professional irrigation system evaluation. This service may be offered by a private consultant or a mobile irrigation evaluation team (mobile lab), sponsored by a local irrigation district or by a state or federal agency. Mobile labs are often subsidized by their sponsors so they may charge only a minimal amount for an irrigation evaluation.
Another practical alternative is for a grower to conduct his or her own irrigation evaluation. This self-evaluation usually is not as extensive as a professional evaluation but it can provide important information on clogging problems.
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