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Sunflower fertigated with potassium fertilization in two agricultural seasons in the Brazilian semiarid region
The objective of this study was to evaluate the effect of potassium doses on the production components of sunflower cultivars grown in the semiarid climate region. The experiment was carried out in two agricultural seasons, in 2016 and 2017, at the Rafael Fernandes Experimental Farm, Mossoró, RN, Br...
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| Published in: | Ciência agronômica 2020-01, Vol.51 (2), p.1 |
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| container_title | Ciência agronômica |
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| creator | Santos, Allysson Pereira dos Tartaglia, Francilene de Lima Souza, Almir Rogerio Evangelista de Santos, Manoel Galdino dos Silveira, Lindomar Maria da Barros Júnior, Aurélio Paes |
| description | The objective of this study was to evaluate the effect of potassium doses on the production components of sunflower cultivars grown in the semiarid climate region. The experiment was carried out in two agricultural seasons, in 2016 and 2017, at the Rafael Fernandes Experimental Farm, Mossoró, RN, Brazil. The experimental design used was randomized blocks, in split plots, with four replicates. Five potassium doses were evaluated in the plots: 0, 30, 60, 90 and 120 kg ha-1 of K2O, and four sunflower cultivars were evaluated in the subplots: Aguará 6, Altis 99, Multissol and BRS 122. The evaluated characteristics were: K content in the diagnostic leaf (KDL), thousand-achene weight (TAW), achene yield (AY), oil content (OC) and oil yield (OY). Potassium doses directly influenced agronomic variables, promoting better performance. The best K2O doses for sunflower yield were 77.7 and 80.2 kg ha-1 in the first season for the cultivars Altis 99 and Aguará 6, and 65.9 and 69.5 kg ha-1 in the second season for Altis 99 and Aguará 6. In the first season, the production results were higher than in the second, and the cultivars Aguará 6 and Altis 99 obtained the highest achene yield and oil yield in both agricultural seasons. |
| doi_str_mv | 10.5935/1806-6690.20200023 |
| format | article |
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The experiment was carried out in two agricultural seasons, in 2016 and 2017, at the Rafael Fernandes Experimental Farm, Mossoró, RN, Brazil. The experimental design used was randomized blocks, in split plots, with four replicates. Five potassium doses were evaluated in the plots: 0, 30, 60, 90 and 120 kg ha-1 of K2O, and four sunflower cultivars were evaluated in the subplots: Aguará 6, Altis 99, Multissol and BRS 122. The evaluated characteristics were: K content in the diagnostic leaf (KDL), thousand-achene weight (TAW), achene yield (AY), oil content (OC) and oil yield (OY). Potassium doses directly influenced agronomic variables, promoting better performance. The best K2O doses for sunflower yield were 77.7 and 80.2 kg ha-1 in the first season for the cultivars Altis 99 and Aguará 6, and 65.9 and 69.5 kg ha-1 in the second season for Altis 99 and Aguará 6. In the first season, the production results were higher than in the second, and the cultivars Aguará 6 and Altis 99 obtained the highest achene yield and oil yield in both agricultural seasons.</description><identifier>ISSN: 1806-6690</identifier><identifier>ISSN: 0045-6888</identifier><identifier>EISSN: 1806-6690</identifier><identifier>DOI: 10.5935/1806-6690.20200023</identifier><language>eng</language><publisher>Fortaleza: Universidade Federal do Ceará, Centro de Ciências Agrárias</publisher><subject>Agricultural production ; AGRONOMY ; Crop yield ; Cultivars ; Design of experiments ; Diagnostic systems ; Experimental design ; Experimental farms ; Farms ; Fertigation ; Fertilization ; Helianthus ; Helianthus annuus L ; Oil ; Oilseed crop ; Plant nutrition ; Potassium ; Potassium doses ; Potassium oxides ; Seasons ; Semi arid areas ; Semiarid climates ; Semiarid lands ; Sunflowers ; Vegetable oils ; Yield</subject><ispartof>Ciência agronômica, 2020-01, Vol.51 (2), p.1</ispartof><rights>2020. 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Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>This work is licensed under a Creative Commons Attribution 4.0 International License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-2224-241X ; 0000-0002-6983-8245 ; 0000-0001-6023-0033 ; 0000-0002-9266-5063 ; 0000-0003-4972-5849 ; 0000-0001-9719-7417</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/2389523561?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>230,314,776,780,881,24130,25732,27903,27904,36991,44569</link.rule.ids></links><search><creatorcontrib>Santos, Allysson Pereira dos</creatorcontrib><creatorcontrib>Tartaglia, Francilene de Lima</creatorcontrib><creatorcontrib>Souza, Almir Rogerio Evangelista de</creatorcontrib><creatorcontrib>Santos, Manoel Galdino dos</creatorcontrib><creatorcontrib>Silveira, Lindomar Maria da</creatorcontrib><creatorcontrib>Barros Júnior, Aurélio Paes</creatorcontrib><title>Sunflower fertigated with potassium fertilization in two agricultural seasons in the Brazilian semiarid region</title><title>Ciência agronômica</title><addtitle>Rev. Ciênc. Agron</addtitle><description>The objective of this study was to evaluate the effect of potassium doses on the production components of sunflower cultivars grown in the semiarid climate region. The experiment was carried out in two agricultural seasons, in 2016 and 2017, at the Rafael Fernandes Experimental Farm, Mossoró, RN, Brazil. The experimental design used was randomized blocks, in split plots, with four replicates. Five potassium doses were evaluated in the plots: 0, 30, 60, 90 and 120 kg ha-1 of K2O, and four sunflower cultivars were evaluated in the subplots: Aguará 6, Altis 99, Multissol and BRS 122. The evaluated characteristics were: K content in the diagnostic leaf (KDL), thousand-achene weight (TAW), achene yield (AY), oil content (OC) and oil yield (OY). Potassium doses directly influenced agronomic variables, promoting better performance. 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Ciênc. Agron</addtitle><date>2020-01-01</date><risdate>2020</risdate><volume>51</volume><issue>2</issue><spage>1</spage><pages>1-</pages><issn>1806-6690</issn><issn>0045-6888</issn><eissn>1806-6690</eissn><abstract>The objective of this study was to evaluate the effect of potassium doses on the production components of sunflower cultivars grown in the semiarid climate region. The experiment was carried out in two agricultural seasons, in 2016 and 2017, at the Rafael Fernandes Experimental Farm, Mossoró, RN, Brazil. The experimental design used was randomized blocks, in split plots, with four replicates. Five potassium doses were evaluated in the plots: 0, 30, 60, 90 and 120 kg ha-1 of K2O, and four sunflower cultivars were evaluated in the subplots: Aguará 6, Altis 99, Multissol and BRS 122. The evaluated characteristics were: K content in the diagnostic leaf (KDL), thousand-achene weight (TAW), achene yield (AY), oil content (OC) and oil yield (OY). Potassium doses directly influenced agronomic variables, promoting better performance. The best K2O doses for sunflower yield were 77.7 and 80.2 kg ha-1 in the first season for the cultivars Altis 99 and Aguará 6, and 65.9 and 69.5 kg ha-1 in the second season for Altis 99 and Aguará 6. In the first season, the production results were higher than in the second, and the cultivars Aguará 6 and Altis 99 obtained the highest achene yield and oil yield in both agricultural seasons.</abstract><cop>Fortaleza</cop><pub>Universidade Federal do Ceará, Centro de Ciências Agrárias</pub><doi>10.5935/1806-6690.20200023</doi><orcidid>https://orcid.org/0000-0002-2224-241X</orcidid><orcidid>https://orcid.org/0000-0002-6983-8245</orcidid><orcidid>https://orcid.org/0000-0001-6023-0033</orcidid><orcidid>https://orcid.org/0000-0002-9266-5063</orcidid><orcidid>https://orcid.org/0000-0003-4972-5849</orcidid><orcidid>https://orcid.org/0000-0001-9719-7417</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Agricultural production AGRONOMY Crop yield Cultivars Design of experiments Diagnostic systems Experimental design Experimental farms Farms Fertigation Fertilization Helianthus Helianthus annuus L Oil Oilseed crop Plant nutrition Potassium Potassium doses Potassium oxides Seasons Semi arid areas Semiarid climates Semiarid lands Sunflowers Vegetable oils Yield |
| title | Sunflower fertigated with potassium fertilization in two agricultural seasons in the Brazilian semiarid region |
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