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???
10/26/05 20:40
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#102992 - Configuration/calibration
Responding to: ???'s previous message
Erik Malund said:
Conductivity would probably be a way; however I an 99.17% sure that using conductivity would require calibration based on soil type. That said, if calibration is required, so be it; however i would just luvve it if there was a method that was independent of soil type.

Erik

Can you ever really get rid of the calibration/configuration here completely? It seems to be an oversimplification to assume that every application would have the same threshold for when to irrigate and when not to.

Also, as far as dealing with the soil types is concerned, is it possible to reasonably characterize soil conductivity profiles by soil type (e.g., clay, sandy, etc.)? If so, calibration might be a one-button operation, which doesn't seem bad.

--Sasha Jevtic

List of 16 messages in thread
TopicAuthorDate
soil dampness            01/01/70 00:00      
   Conductivity?            01/01/70 00:00      
      Conductivity            01/01/70 00:00      
   addendum            01/01/70 00:00      
      Nutsy idea?            01/01/70 00:00      
      Configuration/calibration            01/01/70 00:00      
         that would not be calibration            01/01/70 00:00      
            humidity            01/01/70 00:00      
      Water for a short while and compare            01/01/70 00:00      
   Another idea            01/01/70 00:00      
   Spatially Distributed Soil Measurements            01/01/70 00:00      
      I needed that            01/01/70 00:00      
         There is Yet Hope            01/01/70 00:00      
   soil dampness            01/01/70 00:00      
      Gypsum block sensor            01/01/70 00:00      
   Capacitance.            01/01/70 00:00      

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