Promising composts as growing media for the production of baby leaf lettuce in a floating system

The floating system is a successful strategy for producing baby leaf vegetables. Moreover, compost from agricultural and agri-food industry wastes is an alternative to peat that can be used as a component of growing media in this cultivation system. In this study, we experimented with three composts...

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Autores: Giménez Martínez, Almudena, Fernández Hernández, Juan Antonio, Pascual Valero, José Antonio, Ros Muñoz, Margarita, Gruda, Nazim, Sáez Tovar, José Antonio, Martínez Sabater, Encarnación, Egea Gilabert, Catalina
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2020
País:España
Institución:Universidad Politécnica de Cartagena(UPCT)
Repositorio:Repositorio Digital UPCT
OAI Identifier:oai:repositorio.upct.es:10317/9248
Acceso en línea:http://hdl.handle.net/10317/9248
https://www.mdpi.com/2073-4395/10/10/1540
Access Level:acceso abierto
Palabra clave:Germination
Nitrate content
Phenolic content
Antioxidant capacity
Microbial community
Producción Vegetal
3107.01 Producción de Cultivos
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spelling Promising composts as growing media for the production of baby leaf lettuce in a floating systemGiménez Martínez, AlmudenaFernández Hernández, Juan AntonioPascual Valero, José AntonioRos Muñoz, MargaritaGruda, NazimSáez Tovar, José AntonioMartínez Sabater, EncarnaciónEgea Gilabert, CatalinaGerminationNitrate contentPhenolic contentAntioxidant capacityMicrobial communityProducción Vegetal3107.01 Producción de CultivosThe floating system is a successful strategy for producing baby leaf vegetables. Moreover, compost from agricultural and agri-food industry wastes is an alternative to peat that can be used as a component of growing media in this cultivation system. In this study, we experimented with three composts containing tomato (Solanum lycopersicum L.), leek (Allium porrum L.), grape (Vitis vinifera L.), and/or olive (Olea europaea L.) mill cake residues, which were used as the main component (75/25 volume/volume) of three growing media (GM1, GM2 and GM3) to evaluate their e_ect on the growth and quality of red baby leaf lettuce (Lactuca sativa L.). We used a commercial peat substrate as a control treatment (100% volume) and in mixtures (25% volume) with the composts. The plants were cultivated over two growing cycles, in spring and summer, and harvested twice in each cycle when the plants had four to five leaves. We found that the percentage of seed germination was significantly higher in plants grown in peat than in those grown in compost growing media. The yield was a_ected by the growing media in the summer cycle, and we obtained the highest value with GM1. Furthermore, the second cut was more productive than the first one for all the growing media in both cycles. The lettuce quality was also a_ected by the growing media. In general, the total phenolic content and antioxidant capacity in the leaves was higher in plants grown in the compost growing media, particularly in the second cut, but the nitrate content in the leaves was greater in some of the compost treatments compared with the peat treatment. In addition, an in vitro suppressive activity study demonstrated that the interaction between di_erent fungi and bacteria observed through metagenomics analysis could contribute to the e_ectiveness of the compost in controlling Pythium irregulare. The use of compost as a component of the growing media in the production of baby leaf vegetables in a floating system does not only favor the crop yield and producto quality, but also shows suppressive e_ects against P. irregulare.This research was funded by the Spanish Ministry of Economy and Competitiveness: Reference project: AGL2017-84085-C3-1-R, AGL2017-84085-C3-2-R, AGL2017-84085-C3-3-R.MDPIMinisterio de Economía y Competitividad202120212020info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/pdfhttp://hdl.handle.net/10317/9248https://www.mdpi.com/2073-4395/10/10/1540reponame:Repositorio Digital UPCTinstname:Universidad Politécnica de Cartagena(UPCT)InglésAGL2017-84085-C3-1-RAGL2017-84085-C3-2-RAGL2017-84085-C3-3-RAtribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:repositorio.upct.es:10317/92482026-05-15T06:39:02Z
dc.title.none.fl_str_mv Promising composts as growing media for the production of baby leaf lettuce in a floating system
title Promising composts as growing media for the production of baby leaf lettuce in a floating system
spellingShingle Promising composts as growing media for the production of baby leaf lettuce in a floating system
Giménez Martínez, Almudena
Germination
Nitrate content
Phenolic content
Antioxidant capacity
Microbial community
Producción Vegetal
3107.01 Producción de Cultivos
title_short Promising composts as growing media for the production of baby leaf lettuce in a floating system
title_full Promising composts as growing media for the production of baby leaf lettuce in a floating system
title_fullStr Promising composts as growing media for the production of baby leaf lettuce in a floating system
title_full_unstemmed Promising composts as growing media for the production of baby leaf lettuce in a floating system
title_sort Promising composts as growing media for the production of baby leaf lettuce in a floating system
dc.creator.none.fl_str_mv Giménez Martínez, Almudena
Fernández Hernández, Juan Antonio
Pascual Valero, José Antonio
Ros Muñoz, Margarita
Gruda, Nazim
Sáez Tovar, José Antonio
Martínez Sabater, Encarnación
Egea Gilabert, Catalina
author Giménez Martínez, Almudena
author_facet Giménez Martínez, Almudena
Fernández Hernández, Juan Antonio
Pascual Valero, José Antonio
Ros Muñoz, Margarita
Gruda, Nazim
Sáez Tovar, José Antonio
Martínez Sabater, Encarnación
Egea Gilabert, Catalina
author_role author
author2 Fernández Hernández, Juan Antonio
Pascual Valero, José Antonio
Ros Muñoz, Margarita
Gruda, Nazim
Sáez Tovar, José Antonio
Martínez Sabater, Encarnación
Egea Gilabert, Catalina
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Economía y Competitividad
dc.subject.none.fl_str_mv Germination
Nitrate content
Phenolic content
Antioxidant capacity
Microbial community
Producción Vegetal
3107.01 Producción de Cultivos
topic Germination
Nitrate content
Phenolic content
Antioxidant capacity
Microbial community
Producción Vegetal
3107.01 Producción de Cultivos
description The floating system is a successful strategy for producing baby leaf vegetables. Moreover, compost from agricultural and agri-food industry wastes is an alternative to peat that can be used as a component of growing media in this cultivation system. In this study, we experimented with three composts containing tomato (Solanum lycopersicum L.), leek (Allium porrum L.), grape (Vitis vinifera L.), and/or olive (Olea europaea L.) mill cake residues, which were used as the main component (75/25 volume/volume) of three growing media (GM1, GM2 and GM3) to evaluate their e_ect on the growth and quality of red baby leaf lettuce (Lactuca sativa L.). We used a commercial peat substrate as a control treatment (100% volume) and in mixtures (25% volume) with the composts. The plants were cultivated over two growing cycles, in spring and summer, and harvested twice in each cycle when the plants had four to five leaves. We found that the percentage of seed germination was significantly higher in plants grown in peat than in those grown in compost growing media. The yield was a_ected by the growing media in the summer cycle, and we obtained the highest value with GM1. Furthermore, the second cut was more productive than the first one for all the growing media in both cycles. The lettuce quality was also a_ected by the growing media. In general, the total phenolic content and antioxidant capacity in the leaves was higher in plants grown in the compost growing media, particularly in the second cut, but the nitrate content in the leaves was greater in some of the compost treatments compared with the peat treatment. In addition, an in vitro suppressive activity study demonstrated that the interaction between di_erent fungi and bacteria observed through metagenomics analysis could contribute to the e_ectiveness of the compost in controlling Pythium irregulare. The use of compost as a component of the growing media in the production of baby leaf vegetables in a floating system does not only favor the crop yield and producto quality, but also shows suppressive e_ects against P. irregulare.
publishDate 2020
dc.date.none.fl_str_mv 2020
2021
2021
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10317/9248
https://www.mdpi.com/2073-4395/10/10/1540
url http://hdl.handle.net/10317/9248
https://www.mdpi.com/2073-4395/10/10/1540
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv AGL2017-84085-C3-1-R
AGL2017-84085-C3-2-R
AGL2017-84085-C3-3-R
dc.rights.none.fl_str_mv Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv MDPI
publisher.none.fl_str_mv MDPI
dc.source.none.fl_str_mv reponame:Repositorio Digital UPCT
instname:Universidad Politécnica de Cartagena(UPCT)
instname_str Universidad Politécnica de Cartagena(UPCT)
reponame_str Repositorio Digital UPCT
collection Repositorio Digital UPCT
repository.name.fl_str_mv
repository.mail.fl_str_mv
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