@prefix agrovoc: <http://aims.fao.org/aos/agrovoc/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ns0: <http://art.uniroma2.it/ontologies/vocbench#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

agrovoc:xDef_cca54798
  rdf:value "A small diameter pipe used to observe the hydraulic head of groundwater. It is placed in, or driven into, the subsoil so that there is no leakage around the pipe. Water can only enter the pipe through a short screen at the bottom of the pipe, or through the bottom only."@en ;
  ns0:hasSource "Nijland, H.J., F.W. Croon and H.P. Ritzema, 2005. Subsurface Drainage Practices: Guidelines for the implementation, operation and maintenance of subsurface pipe drainage systems. Wageningen, Alterra, ILRI Publication no. 60, pp. 608. https://edepot.wur.nl/264729" ;
  dc:created "2024-09-27T17:13:21"^^xsd:dateTime ;
  dc:modified "2025-02-05T12:48:00"^^xsd:dateTime .

agrovoc:c_26872 skos:definition agrovoc:xDef_cca54798 .