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dc.contributor.authorLópez Martínez, Alejandro
dc.contributor.authorValera Martínez, Diego Luis
dc.contributor.authorMolina Aiz, Francisco Domingo
dc.contributor.authorMoreno Teruel, María De Los Ángeles
dc.contributor.authorPeña Fernández, Ana Araceli
dc.contributor.authorEspinoza Ramos, Karlos
dc.date.accessioned2020-01-20T10:35:50Z
dc.date.available2020-01-20T10:35:50Z
dc.date.issued2019-03-18
dc.identifier.issn1660-4601
dc.identifier.urihttp://hdl.handle.net/10835/7650
dc.description.abstractThe present work analyses the traditional method of applying whitening products on Mediterranean greenhouses. Four commercial whitening products (agricultural solar protectors, ASPs), applied at four doses, were compared with a non-whitened cover. The traditional product “Blanco de España” with 99% calcium carbonate (CaCO3) and other three products with 97% CaCO3 that incorporate adhesives were tested. The use of adhesives in ASP did not influence the effect of the different products on the inside temperature, and at the same dose all four products show a similar behaviour. The findings support the maximum dose recommended by other authors of 0.50 kg L−1 (50/100), above which the transmissivity of the greenhouse cover decreases by over 50%. The effect of ASP on the transmissivity of the cover depends principally on the dose applied, but also on the climatic conditions (solar radiation, cloud cover, etc.) and on the time of year (solar elevation). The habitual use of a constant dose throughout the year does not seem to be the most adequate. Recommended doses should vary according to the time of year and the desired degree of transmissivity reduction. The adhesive components are shown to provide a high degree of protection against heavy rain. The study recommends a standardised method of ASP application, establishing a method that allows the grower to verify the concentration of the product that will remain on the greenhouse cover.es_ES
dc.language.isoenes_ES
dc.publisherMDPIes_ES
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectgreenhousees_ES
dc.subjectagricultural solar protectores_ES
dc.subjectcrop protectiones_ES
dc.subjectcover transmissivityes_ES
dc.titleAnalysis of the Effect of Concentrations of Four Whitening Products in Cover Transmissivity of Mediterranean Greenhouseses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherversionhttps://www.mdpi.com/1660-4601/16/6/958es_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES


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Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivatives 4.0 Internacional