Assessing and modelling water use and the partition of evapotranspiration of irrigated hop (Humulus lupulus) and relations of transpiration with hops yield and alpha-acids
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10400.5/14061 |
Resumo: | This study was conducted during three seasons (2012–2014) in an experimental hop yard at Mabegondo,Galicia, NW Spain. The research aimed at calibrating and validating the soil water balance model SIMD-ualKc for Humulus lupulus L. cv. ‘Nugget’. The model computes the soil water balance using the dualKcapproach, thus partitioning crop evapotranspiration (ETc) into crop transpiration, ground covertranspiration and soil evaporation. Calibration and validation were performed using TDR soil watercontent measurements, which produced small root mean square errors (RMSE) ranging from 0.012 to0.015 cm3cm−3. The initial, mid-season and end-season basal crop coefficients (Kcb) that allow com-puting hop transpiration were respectively 0.16, 0.97 and 0.83. The single Kcfor the same crop growthstages, which refers to transpiration and soil evaporation together, were respectively 0.69, 1.02 and 0.85.SIMDualKc provided to estimate water use by the hop yard and the components of the soil water bal-ance, particularly hop transpiration (THop), ground covered transpiration (Tcover) and soil evaporation (Es).THoprepresented 92% of actual evapotranspiration (ETc act) during the mid-season, and Esaveraged 69% ofETc actduring the initial stage. It was observed that Tcoverwas strongly influenced by soil and ground covermanagement. The impacts of water use and THopon hop yield quantity and quality were assessed. A lin-ear regression between hop cone yield and THophas been found, with a high coefficient of determinationr2= 0.92, while the linear regressions of THopwith alpha and beta-acids had regression coefficients notsignificantly different from zero. These results denote appropriate irrigation management with absenceof stresses that could affect yields or the concentration of bitter acids |
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Assessing and modelling water use and the partition of evapotranspiration of irrigated hop (Humulus lupulus) and relations of transpiration with hops yield and alpha-acidsSIMDualKc modelhop transpirationdry weight conealpha-acids contentirrigation schedulingThis study was conducted during three seasons (2012–2014) in an experimental hop yard at Mabegondo,Galicia, NW Spain. The research aimed at calibrating and validating the soil water balance model SIMD-ualKc for Humulus lupulus L. cv. ‘Nugget’. The model computes the soil water balance using the dualKcapproach, thus partitioning crop evapotranspiration (ETc) into crop transpiration, ground covertranspiration and soil evaporation. Calibration and validation were performed using TDR soil watercontent measurements, which produced small root mean square errors (RMSE) ranging from 0.012 to0.015 cm3cm−3. The initial, mid-season and end-season basal crop coefficients (Kcb) that allow com-puting hop transpiration were respectively 0.16, 0.97 and 0.83. The single Kcfor the same crop growthstages, which refers to transpiration and soil evaporation together, were respectively 0.69, 1.02 and 0.85.SIMDualKc provided to estimate water use by the hop yard and the components of the soil water bal-ance, particularly hop transpiration (THop), ground covered transpiration (Tcover) and soil evaporation (Es).THoprepresented 92% of actual evapotranspiration (ETc act) during the mid-season, and Esaveraged 69% ofETc actduring the initial stage. It was observed that Tcoverwas strongly influenced by soil and ground covermanagement. The impacts of water use and THopon hop yield quantity and quality were assessed. A lin-ear regression between hop cone yield and THophas been found, with a high coefficient of determinationr2= 0.92, while the linear regressions of THopwith alpha and beta-acids had regression coefficients notsignificantly different from zero. These results denote appropriate irrigation management with absenceof stresses that could affect yields or the concentration of bitter acidsElsevierRepositório da Universidade de LisboaFandiño, M.Olmedo, J.L.Martinez, E.M.Valladares, J.Paredes, PaulaRey, B.J.Mota, M.Cancela, J.J.Pereira, L.S.2017-09-12T13:21:40Z20152015-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.5/14061engIndustrial Crops and Products 77 (2015) 204–217http://dx.doi.org/10.1016/j.indcrop.2015.08.042info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-03-06T14:44:08Zoai:www.repository.utl.pt:10400.5/14061Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T16:59:57.247781Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Assessing and modelling water use and the partition of evapotranspiration of irrigated hop (Humulus lupulus) and relations of transpiration with hops yield and alpha-acids |
title |
Assessing and modelling water use and the partition of evapotranspiration of irrigated hop (Humulus lupulus) and relations of transpiration with hops yield and alpha-acids |
spellingShingle |
Assessing and modelling water use and the partition of evapotranspiration of irrigated hop (Humulus lupulus) and relations of transpiration with hops yield and alpha-acids Fandiño, M. SIMDualKc model hop transpiration dry weight cone alpha-acids content irrigation scheduling |
title_short |
Assessing and modelling water use and the partition of evapotranspiration of irrigated hop (Humulus lupulus) and relations of transpiration with hops yield and alpha-acids |
title_full |
Assessing and modelling water use and the partition of evapotranspiration of irrigated hop (Humulus lupulus) and relations of transpiration with hops yield and alpha-acids |
title_fullStr |
Assessing and modelling water use and the partition of evapotranspiration of irrigated hop (Humulus lupulus) and relations of transpiration with hops yield and alpha-acids |
title_full_unstemmed |
Assessing and modelling water use and the partition of evapotranspiration of irrigated hop (Humulus lupulus) and relations of transpiration with hops yield and alpha-acids |
title_sort |
Assessing and modelling water use and the partition of evapotranspiration of irrigated hop (Humulus lupulus) and relations of transpiration with hops yield and alpha-acids |
author |
Fandiño, M. |
author_facet |
Fandiño, M. Olmedo, J.L. Martinez, E.M. Valladares, J. Paredes, Paula Rey, B.J. Mota, M. Cancela, J.J. Pereira, L.S. |
author_role |
author |
author2 |
Olmedo, J.L. Martinez, E.M. Valladares, J. Paredes, Paula Rey, B.J. Mota, M. Cancela, J.J. Pereira, L.S. |
author2_role |
author author author author author author author author |
dc.contributor.none.fl_str_mv |
Repositório da Universidade de Lisboa |
dc.contributor.author.fl_str_mv |
Fandiño, M. Olmedo, J.L. Martinez, E.M. Valladares, J. Paredes, Paula Rey, B.J. Mota, M. Cancela, J.J. Pereira, L.S. |
dc.subject.por.fl_str_mv |
SIMDualKc model hop transpiration dry weight cone alpha-acids content irrigation scheduling |
topic |
SIMDualKc model hop transpiration dry weight cone alpha-acids content irrigation scheduling |
description |
This study was conducted during three seasons (2012–2014) in an experimental hop yard at Mabegondo,Galicia, NW Spain. The research aimed at calibrating and validating the soil water balance model SIMD-ualKc for Humulus lupulus L. cv. ‘Nugget’. The model computes the soil water balance using the dualKcapproach, thus partitioning crop evapotranspiration (ETc) into crop transpiration, ground covertranspiration and soil evaporation. Calibration and validation were performed using TDR soil watercontent measurements, which produced small root mean square errors (RMSE) ranging from 0.012 to0.015 cm3cm−3. The initial, mid-season and end-season basal crop coefficients (Kcb) that allow com-puting hop transpiration were respectively 0.16, 0.97 and 0.83. The single Kcfor the same crop growthstages, which refers to transpiration and soil evaporation together, were respectively 0.69, 1.02 and 0.85.SIMDualKc provided to estimate water use by the hop yard and the components of the soil water bal-ance, particularly hop transpiration (THop), ground covered transpiration (Tcover) and soil evaporation (Es).THoprepresented 92% of actual evapotranspiration (ETc act) during the mid-season, and Esaveraged 69% ofETc actduring the initial stage. It was observed that Tcoverwas strongly influenced by soil and ground covermanagement. The impacts of water use and THopon hop yield quantity and quality were assessed. A lin-ear regression between hop cone yield and THophas been found, with a high coefficient of determinationr2= 0.92, while the linear regressions of THopwith alpha and beta-acids had regression coefficients notsignificantly different from zero. These results denote appropriate irrigation management with absenceof stresses that could affect yields or the concentration of bitter acids |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015 2015-01-01T00:00:00Z 2017-09-12T13:21:40Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10400.5/14061 |
url |
http://hdl.handle.net/10400.5/14061 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Industrial Crops and Products 77 (2015) 204–217 http://dx.doi.org/10.1016/j.indcrop.2015.08.042 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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