Leaf gas exchange in cowpea and CO2 efflux in soil irrigated with saline water
ABSTRACT Leaf gas exchanges in plants and soil respiration are important tools for assessing the effects of salinity on the soil-plant system. An experiment was conducted with cowpea irrigated with saline water (0, 2.5, 5.0, 7.5, 10.0 and 12.5 dS m-1) prepared with two sources: NaCl and a mixture of...
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| Autor*in: |
Wanderson J. de Oliveira [verfasserIn] Edivan R. de Souza [verfasserIn] Jailson C. Cunha [verfasserIn] Ênio F. de F. e Silva [verfasserIn] Venâncio de L. Veloso [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch ; Spanisch ; Portugiesisch |
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In: Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi - Universidade Federal de Campina Grande, 2004 |
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| Links: |
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| DOI / URN: |
10.1590/1807-1929/agriambi.v21n1p32-37 |
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DOAJ050501763 |
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10.1590/1807-1929/agriambi.v21n1p32-37 doi (DE-627)DOAJ050501763 (DE-599)DOAJdbbd110bc2934ed986516b73a606e63b DE-627 ger DE-627 rakwb eng spa por S1-972 Wanderson J. de Oliveira verfasserin aut Leaf gas exchange in cowpea and CO2 efflux in soil irrigated with saline water Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ABSTRACT Leaf gas exchanges in plants and soil respiration are important tools for assessing the effects of salinity on the soil-plant system. An experiment was conducted with cowpea irrigated with saline water (0, 2.5, 5.0, 7.5, 10.0 and 12.5 dS m-1) prepared with two sources: NaCl and a mixture of Ca, Mg, Na, K and Cl ions in a randomized block design and a 6 x 2 factorial scheme, with four replicates, totaling 48 experimental plots. At 20 days after planting (DAP), plants were evaluated for net photosynthesis (A), stomatal conductance (gs) and transpiration (E) using the Infra-Red Gas Analyzer (Model XT6400- LICOR), and water use efficiency, intrinsic water use efficiency and instantaneous efficiency of carboxylation were calculated. At 60 DAP, the soil CO2 efflux (soil respiration) was determined with a camera (Model 6400-09- LICOR). Salinity caused reductions in A, gs and E. However, the salt source did not have significant effect on these variables. Soil CO2 efflux was reduced with the increase in the electrical conductivity, especially in the mixture of ions. fotossíntese salinidade estresse salino respiração do solo Agriculture (General) Edivan R. de Souza verfasserin aut Jailson C. Cunha verfasserin aut Ênio F. de F. e Silva verfasserin aut Venâncio de L. Veloso verfasserin aut In Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi Universidade Federal de Campina Grande, 2004 (DE-627)461908247 (DE-600)2164420-2 18071929 nnns https://doi.org/10.1590/1807-1929/agriambi.v21n1p32-37 kostenfrei https://doaj.org/article/dbbd110bc2934ed986516b73a606e63b kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017000100032&lng=en&tlng=en kostenfrei https://doaj.org/toc/1807-1929 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR |
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10.1590/1807-1929/agriambi.v21n1p32-37 doi (DE-627)DOAJ050501763 (DE-599)DOAJdbbd110bc2934ed986516b73a606e63b DE-627 ger DE-627 rakwb eng spa por S1-972 Wanderson J. de Oliveira verfasserin aut Leaf gas exchange in cowpea and CO2 efflux in soil irrigated with saline water Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ABSTRACT Leaf gas exchanges in plants and soil respiration are important tools for assessing the effects of salinity on the soil-plant system. An experiment was conducted with cowpea irrigated with saline water (0, 2.5, 5.0, 7.5, 10.0 and 12.5 dS m-1) prepared with two sources: NaCl and a mixture of Ca, Mg, Na, K and Cl ions in a randomized block design and a 6 x 2 factorial scheme, with four replicates, totaling 48 experimental plots. At 20 days after planting (DAP), plants were evaluated for net photosynthesis (A), stomatal conductance (gs) and transpiration (E) using the Infra-Red Gas Analyzer (Model XT6400- LICOR), and water use efficiency, intrinsic water use efficiency and instantaneous efficiency of carboxylation were calculated. At 60 DAP, the soil CO2 efflux (soil respiration) was determined with a camera (Model 6400-09- LICOR). Salinity caused reductions in A, gs and E. However, the salt source did not have significant effect on these variables. Soil CO2 efflux was reduced with the increase in the electrical conductivity, especially in the mixture of ions. fotossíntese salinidade estresse salino respiração do solo Agriculture (General) Edivan R. de Souza verfasserin aut Jailson C. Cunha verfasserin aut Ênio F. de F. e Silva verfasserin aut Venâncio de L. Veloso verfasserin aut In Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi Universidade Federal de Campina Grande, 2004 (DE-627)461908247 (DE-600)2164420-2 18071929 nnns https://doi.org/10.1590/1807-1929/agriambi.v21n1p32-37 kostenfrei https://doaj.org/article/dbbd110bc2934ed986516b73a606e63b kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017000100032&lng=en&tlng=en kostenfrei https://doaj.org/toc/1807-1929 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR |
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10.1590/1807-1929/agriambi.v21n1p32-37 doi (DE-627)DOAJ050501763 (DE-599)DOAJdbbd110bc2934ed986516b73a606e63b DE-627 ger DE-627 rakwb eng spa por S1-972 Wanderson J. de Oliveira verfasserin aut Leaf gas exchange in cowpea and CO2 efflux in soil irrigated with saline water Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ABSTRACT Leaf gas exchanges in plants and soil respiration are important tools for assessing the effects of salinity on the soil-plant system. An experiment was conducted with cowpea irrigated with saline water (0, 2.5, 5.0, 7.5, 10.0 and 12.5 dS m-1) prepared with two sources: NaCl and a mixture of Ca, Mg, Na, K and Cl ions in a randomized block design and a 6 x 2 factorial scheme, with four replicates, totaling 48 experimental plots. At 20 days after planting (DAP), plants were evaluated for net photosynthesis (A), stomatal conductance (gs) and transpiration (E) using the Infra-Red Gas Analyzer (Model XT6400- LICOR), and water use efficiency, intrinsic water use efficiency and instantaneous efficiency of carboxylation were calculated. At 60 DAP, the soil CO2 efflux (soil respiration) was determined with a camera (Model 6400-09- LICOR). Salinity caused reductions in A, gs and E. However, the salt source did not have significant effect on these variables. Soil CO2 efflux was reduced with the increase in the electrical conductivity, especially in the mixture of ions. fotossíntese salinidade estresse salino respiração do solo Agriculture (General) Edivan R. de Souza verfasserin aut Jailson C. Cunha verfasserin aut Ênio F. de F. e Silva verfasserin aut Venâncio de L. Veloso verfasserin aut In Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi Universidade Federal de Campina Grande, 2004 (DE-627)461908247 (DE-600)2164420-2 18071929 nnns https://doi.org/10.1590/1807-1929/agriambi.v21n1p32-37 kostenfrei https://doaj.org/article/dbbd110bc2934ed986516b73a606e63b kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017000100032&lng=en&tlng=en kostenfrei https://doaj.org/toc/1807-1929 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR |
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10.1590/1807-1929/agriambi.v21n1p32-37 doi (DE-627)DOAJ050501763 (DE-599)DOAJdbbd110bc2934ed986516b73a606e63b DE-627 ger DE-627 rakwb eng spa por S1-972 Wanderson J. de Oliveira verfasserin aut Leaf gas exchange in cowpea and CO2 efflux in soil irrigated with saline water Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ABSTRACT Leaf gas exchanges in plants and soil respiration are important tools for assessing the effects of salinity on the soil-plant system. An experiment was conducted with cowpea irrigated with saline water (0, 2.5, 5.0, 7.5, 10.0 and 12.5 dS m-1) prepared with two sources: NaCl and a mixture of Ca, Mg, Na, K and Cl ions in a randomized block design and a 6 x 2 factorial scheme, with four replicates, totaling 48 experimental plots. At 20 days after planting (DAP), plants were evaluated for net photosynthesis (A), stomatal conductance (gs) and transpiration (E) using the Infra-Red Gas Analyzer (Model XT6400- LICOR), and water use efficiency, intrinsic water use efficiency and instantaneous efficiency of carboxylation were calculated. At 60 DAP, the soil CO2 efflux (soil respiration) was determined with a camera (Model 6400-09- LICOR). Salinity caused reductions in A, gs and E. However, the salt source did not have significant effect on these variables. Soil CO2 efflux was reduced with the increase in the electrical conductivity, especially in the mixture of ions. fotossíntese salinidade estresse salino respiração do solo Agriculture (General) Edivan R. de Souza verfasserin aut Jailson C. Cunha verfasserin aut Ênio F. de F. e Silva verfasserin aut Venâncio de L. Veloso verfasserin aut In Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi Universidade Federal de Campina Grande, 2004 (DE-627)461908247 (DE-600)2164420-2 18071929 nnns https://doi.org/10.1590/1807-1929/agriambi.v21n1p32-37 kostenfrei https://doaj.org/article/dbbd110bc2934ed986516b73a606e63b kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017000100032&lng=en&tlng=en kostenfrei https://doaj.org/toc/1807-1929 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR |
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Leaf gas exchange in cowpea and CO2 efflux in soil irrigated with saline water |
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Leaf gas exchange in cowpea and CO2 efflux in soil irrigated with saline water |
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Wanderson J. de Oliveira |
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Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi |
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Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi |
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Wanderson J. de Oliveira Edivan R. de Souza Jailson C. Cunha Ênio F. de F. e Silva Venâncio de L. Veloso |
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Wanderson J. de Oliveira |
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10.1590/1807-1929/agriambi.v21n1p32-37 |
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verfasserin |
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leaf gas exchange in cowpea and co2 efflux in soil irrigated with saline water |
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Leaf gas exchange in cowpea and CO2 efflux in soil irrigated with saline water |
| abstract |
ABSTRACT Leaf gas exchanges in plants and soil respiration are important tools for assessing the effects of salinity on the soil-plant system. An experiment was conducted with cowpea irrigated with saline water (0, 2.5, 5.0, 7.5, 10.0 and 12.5 dS m-1) prepared with two sources: NaCl and a mixture of Ca, Mg, Na, K and Cl ions in a randomized block design and a 6 x 2 factorial scheme, with four replicates, totaling 48 experimental plots. At 20 days after planting (DAP), plants were evaluated for net photosynthesis (A), stomatal conductance (gs) and transpiration (E) using the Infra-Red Gas Analyzer (Model XT6400- LICOR), and water use efficiency, intrinsic water use efficiency and instantaneous efficiency of carboxylation were calculated. At 60 DAP, the soil CO2 efflux (soil respiration) was determined with a camera (Model 6400-09- LICOR). Salinity caused reductions in A, gs and E. However, the salt source did not have significant effect on these variables. Soil CO2 efflux was reduced with the increase in the electrical conductivity, especially in the mixture of ions. |
| abstractGer |
ABSTRACT Leaf gas exchanges in plants and soil respiration are important tools for assessing the effects of salinity on the soil-plant system. An experiment was conducted with cowpea irrigated with saline water (0, 2.5, 5.0, 7.5, 10.0 and 12.5 dS m-1) prepared with two sources: NaCl and a mixture of Ca, Mg, Na, K and Cl ions in a randomized block design and a 6 x 2 factorial scheme, with four replicates, totaling 48 experimental plots. At 20 days after planting (DAP), plants were evaluated for net photosynthesis (A), stomatal conductance (gs) and transpiration (E) using the Infra-Red Gas Analyzer (Model XT6400- LICOR), and water use efficiency, intrinsic water use efficiency and instantaneous efficiency of carboxylation were calculated. At 60 DAP, the soil CO2 efflux (soil respiration) was determined with a camera (Model 6400-09- LICOR). Salinity caused reductions in A, gs and E. However, the salt source did not have significant effect on these variables. Soil CO2 efflux was reduced with the increase in the electrical conductivity, especially in the mixture of ions. |
| abstract_unstemmed |
ABSTRACT Leaf gas exchanges in plants and soil respiration are important tools for assessing the effects of salinity on the soil-plant system. An experiment was conducted with cowpea irrigated with saline water (0, 2.5, 5.0, 7.5, 10.0 and 12.5 dS m-1) prepared with two sources: NaCl and a mixture of Ca, Mg, Na, K and Cl ions in a randomized block design and a 6 x 2 factorial scheme, with four replicates, totaling 48 experimental plots. At 20 days after planting (DAP), plants were evaluated for net photosynthesis (A), stomatal conductance (gs) and transpiration (E) using the Infra-Red Gas Analyzer (Model XT6400- LICOR), and water use efficiency, intrinsic water use efficiency and instantaneous efficiency of carboxylation were calculated. At 60 DAP, the soil CO2 efflux (soil respiration) was determined with a camera (Model 6400-09- LICOR). Salinity caused reductions in A, gs and E. However, the salt source did not have significant effect on these variables. Soil CO2 efflux was reduced with the increase in the electrical conductivity, especially in the mixture of ions. |
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Leaf gas exchange in cowpea and CO2 efflux in soil irrigated with saline water |
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https://doi.org/10.1590/1807-1929/agriambi.v21n1p32-37 https://doaj.org/article/dbbd110bc2934ed986516b73a606e63b http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017000100032&lng=en&tlng=en https://doaj.org/toc/1807-1929 |
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Edivan R. de Souza Jailson C. Cunha Ênio F. de F. e Silva Venâncio de L. Veloso |
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Edivan R. de Souza Jailson C. Cunha Ênio F. de F. e Silva Venâncio de L. Veloso |
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2024-07-03T15:11:45.267Z |
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