Hydrologically isolated plotsDefinition Experimental field plot separated from surrounding soil water through the installation of e.g. plastic barriers, gravel filled ditches, & interceptor drains. Required to enable the measurement of nutrient losses (e.g. nitrate) via water from clay soils and to quantify the area where drainage water is collected from and to ensure that there is no dilution or contamination by water moving laterally. [Source =expert knowledge] Preferred Units: N/A Scope Note: N/A This term is used for the following terms: N/A Approved Date 07-Jun-2016 Items having a keyword or observed-property relationship to this subject term Click here to give feedback on this term or suggest an update. |