Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/1322
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dc.contributor.authorLuque-Escalona, Angeles
dc.contributor.otherFacultad de Ciencias del Mares
dc.contributor.otherDepartamento de Biologíaes
dc.date.accessioned2009-10-08T02:31:00Z-
dc.date.accessioned2018-06-15T09:20:31Z-
dc.date.available2018-06-15T09:20:31Z-
dc.date.issued1982es
dc.identifier.isbn90-66050-51-9es
dc.identifier.issn0567-7572es
dc.identifier.other2068es
dc.identifier.urihttp://hdl.handle.net/10553/1322-
dc.description.abstractThe physical and physicochemical properties of volcanic (basaltic) materials used in hydropony are treated. These materials have a real density of 2.93 g/ml and an apparent density of 0.84 g/ml. The relationship between both densities gives a total theoretical porosity of 71.3 % (v/v). The maximum hydric capacity of these materials was of 63.2 %(v/v) and the difference to the total theoretical porosity (8.1 % v/v) is the occlusive porosity which is considered as a reference for evaluating the extent of disintegration of the particles. The water retention was of 18.6 %, two times greater than that of the gravel. The exchangeable cationic capacity is very low (5 meq/100 g) and the pH of the materials ranges between 7 and 8 units.en
dc.languageenges
dc.sourceActa Horticulturae [ISSN 0567-7572], n. 126, p. 51-56es
dc.sourceSymposium on Substrates in Horticulture Other Than Soils in Situ, Angers, France, 31 August-5 September, 1981 (Acta horticulturae)es
dc.subject.otherHidropónicaes
dc.subject.otherLapillies
dc.subject.otherCanariases
dc.titlePhysical and physicochemical properties of the volcanic materials used in hydroponyes
dc.typeinfo:eu-repo/semantics/conferenceObjectes
dc.typeConferenceObjectes
dc.identifier.doi10.17660/ActaHortic.1982.126.7es
dc.contributor.contentdmOrganismos, poblaciones y ecosistemases
dc.contributor.contentdmFacultad de Ciencias del Mares
dc.contributor.contentdmBiologíaes
dc.identifier.absysnet492282es
dc.rights.accessrightsinfo:eu-repo/semantics/openAccesses
dc.type2Actas de congresoses
dc.identifier.ulpgces
item.fulltextCon texto completo-
item.grantfulltextopen-
crisitem.author.deptDepartamento de Biología-
crisitem.author.orcid0000-0002-8487-1780-
crisitem.author.fullNameLuque Escalona, Ángel-
Appears in Collections:Actas de congresos
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