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Featured researches published by Edmilson Gomes Cavalcante Junior.


Revista Brasileira de Engenharia Agricola e Ambiental | 2013

Necessidade hídrica da cultura do girassol irrigado na chapada do Apodi

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

Methods of estimation of reference crop evapotranspiration for the conditions of northeastern semi-arid, Brazil

Edmilson Gomes Cavalcante Junior; Alexsandra Duarte de Oliveira; Bruno Marçal de Almeida; José Espínola Sobrinho


Revista Brasileira de Agricultura Irrigada | 2010

ESTIMATIVA DA EVAPOTRANSPIRAÇÃO DE REFERÊNCIA PARA A CIDADE DE MOSSORÓ-RN

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

Aplicação de seis distribuições de probabilidade a séries de temperatura máxima em Iguatu - CE

Eliakim Martins Araújo; Ítalo Nunes Silva; Joaquim Branco de Oliveira; Edmilson Gomes Cavalcante Junior; Bruno Marçal de Almeida


Revista Caatinga | 2010

COMPARAÇÃO DE DADOS METEOROLÓGICOS OBTIDOS POR ESTAÇÃO CONVENCIONAL E AUTOMÁTICA EM JABOTICABAL-SP

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

Development and water requirements of cowpea under climate change conditions in the Brazilian semi-arid region

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

NECESSIDADE HÍDRICA DA CULTURA DO MILHO INFLUENCIADA PELAS MUDANÇAS CLIMÁTICAS NO SEMIÁRIDO NORDESTINO

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

CRESCIMENTO E PRODUÇÃO DA PRIMEIRA REBROTA DE CULTIVARES DE SORGO SOB DIFERENTES LÂMINAS DE IRRIGAÇÃO

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

Index of rain anomaly for different mesoregions of Rio Grande do Norte state

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

Rainfall Probable In The Region Of Central South Ceará, Brazil

Ítalo Nunes Silva; Joaquim Branco de Oliveira; Edmilson Gomes Cavalcante Junior; Francisco Dirceu Duarte Arraes

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Bruno Marçal de Almeida

Universidade Federal Rural do Semi-Árido

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José Francismar de Medeiros

Universidade Federal Rural do Semi-Árido

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Joaquim Branco de Oliveira

Universidade Federal Rural do Semi-Árido

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Alexsandra Duarte de Oliveira

Empresa Brasileira de Pesquisa Agropecuária

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Eliakim Martins Araújo

Federal University of Campina Grande

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José Espínola Sobrinho

Empire State Aerosciences Museum

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João Paulo Nunes da Costa

Universidade Federal Rural do Semi-Árido

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Ítalo Nunes Silva

Universidade Federal Rural do Semi-Árido

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A. S. Oliveira

Universidade Federal Rural do Semi-Árido

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