Changes

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{{TOClimit|2}}

==Principle==

==Principle==

Using a double ring infiltrometer is a relatively simple (although slow) method of measuring soil the [[hydraulic conductivity]] or ''[[design infiltration rate]]'' of a given [[Soil groups|soil]].  

Using a double ring infiltrometer is a relatively simple (although slow) method of measuring soil the hydraulic conductivity or ''[[design infiltration rate]]'' of a given [[Soil groups|soil]].  

==Measurements==

==Measurements==