EnvThes
type: ConceptScheme

biogeochemical process
type: Concept
narrower: soil warming

soil warming
type: Concept
broader: biogeochemical process
definition: Bottom heat provided by a Propagator or Soil Warming Cable improves germination of seedlings and rooting of cuttings by promoting healthy, vigorous root growth.
in scheme: EnvThes
note: [controlled by ] Tomas Staszevski , 2013-06-08 , [source of definition ] http://www.simplycontrol.co.uk/shop/soil_warming/2_39_0_0/default.aspx
scope note: US LTER controlled vocabulary