Edmilson Gomes Cavalcante Junior
Universidade Federal Rural do Semi-Árido
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Revista Brasileira de Engenharia Agricola e Ambiental | 2013
Edmilson Gomes Cavalcante Junior; José Francismar de Medeiros; Talyana K. de Melo; José Espínola Sobrinho; Gilmar Bristot; Bruno Marçal de Almeida
Sunflower (Helianthus annuus L.) crop has been cultivated during the last years by the producers in Rio Grande do Norte, after the increase in demand due to National Program for Production and Use of Biodiesel. Being a non traditional crop in the region, there are no studies about the water management, so this work aimed to determine the crop evapotranspiration (ETc) and the crop coefficients (Kc) for the different development stages of the sunflower, cultivar Catissol I, in the plateau of Apodi - RN. Daily measurements of ETc were performed using two similar weighing lysimeters, with useful area of 2.7 m2.The reference evapotranspiration (ETo) was estimated using the method of Penman-Monteith FAO.The crop cycle was of 90 days and the total ETc and ETo during this period were, respectively, 442.0 and 580.6 mm.The phenological stages were defined with the duration of 28, 15, 27 and 20 days for the initial phase (Phase I), vegetative development (Phase II), flowering (Phase III) and physiological maturation (Phase IV), respectively.The crop coefficients obtained for the different stages of development were 0.52, 0.74, 0.98 and 0.81 for the phases I, II, III and IV, respectively.
Semina-ciencias Agrarias | 2011
Edmilson Gomes Cavalcante Junior; Alexsandra Duarte de Oliveira; Bruno Marçal de Almeida; José Espínola Sobrinho
Revista Brasileira de Agricultura Irrigada | 2010
Edmilson Gomes Cavalcante Junior; Bruno Marçal de Almeida; Alexsandra Duarte de Oliveira; José Espínola Sobrinho; Eliakim Martins Araújo; Ramon Yogo M. Vieira
Revista Ciencia Agronomica | 2010
Eliakim Martins Araújo; Ítalo Nunes Silva; Joaquim Branco de Oliveira; Edmilson Gomes Cavalcante Junior; Bruno Marçal de Almeida
Revista Caatinga | 2010
Alexsandra Duarte de Oliveira; Bruno Marçal de Almeida; Edmilson Gomes Cavalcante Junior; José Espínola Sobrinho; Ramon Yogo M. Vieira
Revista Brasileira de Engenharia Agricola e Ambiental | 2016
Edmilson Gomes Cavalcante Junior; José Francismar de Medeiros; José Espínola Sobrinho; Vladimir B. Figueirêdo; João Paulo Nunes da Costa; Wesley de Oliveira Santos
Revista Brasileira de Milho e Sorgo | 2018
Edmilson Gomes Cavalcante Junior; José Francismar de Medeiros; Isaac Alves Da Silva Freitas; A. S. Oliveira; José Espínola Sobrinho; João Paulo Nunes Da Silva; Thieres George Freire Da Silva
Revista Brasileira de Milho e Sorgo | 2017
João Paulo Nunes da Costa; José Francismar de Medeiros; Rafaela Mendes De Andrade Nunes; Edmilson Gomes Cavalcante Junior; José Flaviano Barbosa de Lira
Revista Brasileira de Geografia Física | 2017
Rudah Marques Maniçoba; José Espínola Sobrinho; Ítala Tavares Guimarães; Edmilson Gomes Cavalcante Junior; Tecla Ticiane Félix da Silva; João Henrique Zonta
Revista Brasileira de Geografia Física | 2015
Ítalo Nunes Silva; Joaquim Branco de Oliveira; Edmilson Gomes Cavalcante Junior; Francisco Dirceu Duarte Arraes