Production of Sunflower Oil in Response to Nitrogen Fertilization under Semiarid Conditions under Irrigation

Abstract Sunflower is one of the most important oilseeds in the world, whose achenes are valued in several industrial chains, mainly for the extraction and processing of its oil. Although there is some information in the literature, the nitrogen (N) requirements for sunflower in semiarid conditions...

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Autores principales:	Souza,Almir Rogerio E. de, Tartaglia,Francilene de L., Santos,Allysson P. dos, Oliveira,Fernando S. de, Santos,Manoel G. dos, Bezerra Neto,Francisco, Silveira,Lindomar Maria da, Barros Júnior,Aurélio P.
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Chile.Facultad de Agronomía e Ingeniería Forestal 2021
Materias:	Biofuels Helianthus annuus L. nitrogen fertigation oil productivity
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S2452-57312021000200057
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spelling	oai:scielo:S2452-573120210002000572021-09-27Production of Sunflower Oil in Response to Nitrogen Fertilization under Semiarid Conditions under IrrigationSouza,Almir Rogerio E. deTartaglia,Francilene de L.Santos,Allysson P. dosOliveira,Fernando S. deSantos,Manoel G. dosBezerra Neto,FranciscoSilveira,Lindomar Maria daBarros Júnior,Aurélio P. Biofuels Helianthus annuus L. nitrogen fertigation oil productivity Abstract Sunflower is one of the most important oilseeds in the world, whose achenes are valued in several industrial chains, mainly for the extraction and processing of its oil. Although there is some information in the literature, the nitrogen (N) requirements for sunflower in semiarid conditions under irrigation are not yet clear. The experimental design used randomized blocks, with treatments in subdivided plots with four replications during two agricultural seasons. The N doses (e.g., 0, 30, 60, 90 and 120 kg ha−1) were assigned to the plots, and to the four sunflower cultivars used (e.g., Aguará 06, Altis 99, Multissol and BRS 122), which were planted in the subplots. The N doses for the maximum achene yields for the Multissol and BRS 122 cultivars were 81.8 and 86.6 kg ha−1, respectively, while N doses of 120 kg ha−1 produced the maximum achene yields for the Altis 99 and Aguará 06 cultivars in the 2016 crop season. In 2017, the Multissol and BRS 122 cultivars were given N doses of 100.7 and 92.8 kg ha−1, respectively, and the Altis 99 and Aguará 06 cultivars were each given an N dose of 120 kg ha−1 of N. The fertirrigated doses of maximum economic efficiency of N were 60 and 70 kg ha−1 for the Multissol and BRS 122 cultivars, respectively. For the oil yields, the maximum N doses of 78.0 and 86.7 kg ha−1 for the BRS 122 and Aguará 06 cultivars and for the Multissol and Altis 99 cultivars at an N dose of 120 kg ha−1 were used for the 2016 harvest. In 2017, the BRS 122 and Multissol cultivars received N doses of 88.6 and 99.1 kg ha−1, respectively, and the Altis 99 and Aguará 06 cultivars received N doses of 120 kg ha−1. The use of fertigation allowed greater efficiency for the N doses in the sunflower cultivars in the semiarid region.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Chile.Facultad de Agronomía e Ingeniería ForestalInternational journal of agriculture and natural resources v.48 n.2 20212021-08-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S2452-57312021000200057en10.7764/ijanr.v48i2.2114
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Biofuels Helianthus annuus L. nitrogen fertigation oil productivity
spellingShingle	Biofuels Helianthus annuus L. nitrogen fertigation oil productivity Souza,Almir Rogerio E. de Tartaglia,Francilene de L. Santos,Allysson P. dos Oliveira,Fernando S. de Santos,Manoel G. dos Bezerra Neto,Francisco Silveira,Lindomar Maria da Barros Júnior,Aurélio P. Production of Sunflower Oil in Response to Nitrogen Fertilization under Semiarid Conditions under Irrigation
description	Abstract Sunflower is one of the most important oilseeds in the world, whose achenes are valued in several industrial chains, mainly for the extraction and processing of its oil. Although there is some information in the literature, the nitrogen (N) requirements for sunflower in semiarid conditions under irrigation are not yet clear. The experimental design used randomized blocks, with treatments in subdivided plots with four replications during two agricultural seasons. The N doses (e.g., 0, 30, 60, 90 and 120 kg ha−1) were assigned to the plots, and to the four sunflower cultivars used (e.g., Aguará 06, Altis 99, Multissol and BRS 122), which were planted in the subplots. The N doses for the maximum achene yields for the Multissol and BRS 122 cultivars were 81.8 and 86.6 kg ha−1, respectively, while N doses of 120 kg ha−1 produced the maximum achene yields for the Altis 99 and Aguará 06 cultivars in the 2016 crop season. In 2017, the Multissol and BRS 122 cultivars were given N doses of 100.7 and 92.8 kg ha−1, respectively, and the Altis 99 and Aguará 06 cultivars were each given an N dose of 120 kg ha−1 of N. The fertirrigated doses of maximum economic efficiency of N were 60 and 70 kg ha−1 for the Multissol and BRS 122 cultivars, respectively. For the oil yields, the maximum N doses of 78.0 and 86.7 kg ha−1 for the BRS 122 and Aguará 06 cultivars and for the Multissol and Altis 99 cultivars at an N dose of 120 kg ha−1 were used for the 2016 harvest. In 2017, the BRS 122 and Multissol cultivars received N doses of 88.6 and 99.1 kg ha−1, respectively, and the Altis 99 and Aguará 06 cultivars received N doses of 120 kg ha−1. The use of fertigation allowed greater efficiency for the N doses in the sunflower cultivars in the semiarid region.
author	Souza,Almir Rogerio E. de Tartaglia,Francilene de L. Santos,Allysson P. dos Oliveira,Fernando S. de Santos,Manoel G. dos Bezerra Neto,Francisco Silveira,Lindomar Maria da Barros Júnior,Aurélio P.
author_facet	Souza,Almir Rogerio E. de Tartaglia,Francilene de L. Santos,Allysson P. dos Oliveira,Fernando S. de Santos,Manoel G. dos Bezerra Neto,Francisco Silveira,Lindomar Maria da Barros Júnior,Aurélio P.
author_sort	Souza,Almir Rogerio E. de
title	Production of Sunflower Oil in Response to Nitrogen Fertilization under Semiarid Conditions under Irrigation
title_short	Production of Sunflower Oil in Response to Nitrogen Fertilization under Semiarid Conditions under Irrigation
title_full	Production of Sunflower Oil in Response to Nitrogen Fertilization under Semiarid Conditions under Irrigation
title_fullStr	Production of Sunflower Oil in Response to Nitrogen Fertilization under Semiarid Conditions under Irrigation
title_full_unstemmed	Production of Sunflower Oil in Response to Nitrogen Fertilization under Semiarid Conditions under Irrigation
title_sort	production of sunflower oil in response to nitrogen fertilization under semiarid conditions under irrigation
publisher	Pontificia Universidad Católica de Chile.Facultad de Agronomía e Ingeniería Forestal
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S2452-57312021000200057
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Production of Sunflower Oil in Response to Nitrogen Fertilization under Semiarid Conditions under Irrigation

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