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      Production and morphological components of sunflower on soil fertilized with cassava wastewater Translated title: Uso de manipueira como fonte de nutrientes nos componentes morfológicos e de produção do girassol

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          Abstract

          ABSTRACT Agroindustrial residues, such as cassava wastewater, have been used as soil fertilizers, reducing environmental pollution and recovering nutrients. The objective of this work was to evaluate production and morphological components and oil yield of sunflower (Helianthus annuus), hybrid Helio-250, fertilized with cassava wastewater. The experiment was conducted at the Experimental Station of the Instituto Agronomico de Pernambuco, Vitória de Santo Antão, State of Pernambuco, Brazil. A randomized block experimental design was used, with six cassava wastewater rates (0, 8.5, 17.0, 34.0, 68.0 and 136 m3 ha-1) and four replications. The variables evaluated were shoot fresh and dry weight, capitulum fresh and dry weight, capitulum diameter, seed yield, oil yield and seed oil content. The use cassava wastewater as soil fertilizer improved the production and morphological variables evaluated, except the seed oil content, which decreased with application of cassava wastewater rates above 25 m3 ha-1.

          Translated abstract

          RESUMO O uso dos resíduos advindos de atividades agroindustriais, como a manipueira, vem sendo aplicado como forma de diminuir a poluição ambiental e aproveitamento de nutrientes. Assim, objetivou-se com o estudo, avaliar os componentes de produção e o rendimento de óleo do girassol (Helianthus annuus), híbrido Helio 250, fertilizado com manipueira. Conduziu-se experimento na Estação Experimental do Instituto Agronômico de Pernambuco, localizada em Vitória de Santo Antão - PE. O delineamento experimental adotado foi em blocos casualizados, constituídos de seis tratamentos (doses de manipueira: 0; 8,5; 17,0; 34,0; 68,0 e 136 m3 ha-1) e quatro repetições. Foram determinadas as variáveis rendimento de matéria fresca e seca da parte aérea das plantas; rendimento de matéria fresca e seca do capítulo; diâmetro de capítulo, rendimento de aquênios, rendimento e teor de óleo do girassol. O uso da manipueira como fonte de fertilizante proporcionou aumento das variáveis morfológicas e de produção avaliadas, exceto o teor de óleo das sementes, que diminuiu para doses de manipueira acima de 25 m3 ha-1.

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          Standard Methods for the Examination of Water and Wastewater

          (1995)
          The best compilation of water & wastewater analysis methods available anywhere! This reorganized reference source is written for many scientific fields, including chemistry, engineering, biology, health, the environment & geo-sciences. More than 340 hods are presented, each with step-by-step procedures for precise analysis of water & wastewater chemical constituents, sanitary quality, & physical & biological characteristics. Twenty-three new methods have been added & 26 methods have been revised to reflect the very latest technical advances. You'll find a revised method for turbidity, new information on UV-absorbing organic constituents cited in the Information Collection Rule (ICR), new procedures for laboratory occupational health & safety, & much more. Incorporates the methods published in the 18th Edition Supplement. CONTENTS INCLUDE : Physical Examination, Determination of Metals & Other Inorganic Nonmetallic Constituents, Determination of Organic Constituents, Examination of Water & Wastewater Radioactivity, Toxicity Test Methods for Aquatic Organisms, Microbiological Examination of Water, Biological Examination of Water. $180.00 Nonmembers, $140.00 APHA, AWWA & WEF members.
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            Manual de análises químicas de solos, plantas e fertilizantes

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              Adubação nitrogenada em cobertura no girassol irrigado nas condições de Cassilândia-MS

              O nitrogênio é o nutriente mais requerido pelas plantas por assumir funções importantes no metabolismo vegetal. Na cultura do girassol, sua deficiência causa desordem nutricional, sendo o nutriente que mais limita a produção. Além disso, doses elevadas podem aumentar a incidência de pragas e doenças afetando a produção de grãos. Conduziu-se o experimento com o objetivo de avaliar a resposta da cultura do girassol (Helianthus annuus L.) irrigado, submetido a diferentes doses de nitrogênio aplicado parceladamente, em cobertura. O delineamento experimental utilizado foi em blocos casualizados, com quatro repetições. Os tratamentos consistiram de quatro doses de nitrogênio (0, 20, 40 e 80 kg ha-1), na forma de uréia. A adubação nitrogenada em cobertura proporcionou um aumento em todas as características estudadas, sendo que a dose de N de máxima eficiência técnica para se ter uma boa produtividade é de 55 kg ha-1 de N para o cultivo do girassol, na região de Cassilândia-MS.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rceres
                Revista Ceres
                Rev. Ceres
                Universidade Federal de Viçosa (Viçosa, MG, Brazil )
                0034-737X
                2177-3491
                February 2017
                : 64
                : 1
                : 77-82
                Affiliations
                [2] Recife Pernambuco orgnameInstituto Agronômico de Pernambuco Brazil luiz.evandro@ 123456ipa.br
                [1] Recife Pernambuco orgnameUniversidade Federal Rural de Pernambuco orgdiv1Departmento de Engenharia Agrícola Brazil marasuyanehotmail.com, mario.rolimufrpe.br, asousaduartegmail.com, manasses.mesquita@ 123456ufrpe.br
                Article
                S0034-737X2017000100077
                10.1590/0034-737x201764010011
                571524ac-93be-459c-a991-25989370a547

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 11 November 2016
                : 10 July 2014
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 24, Pages: 6
                Product

                SciELO Brazil


                Helianthus annuus,Manihot esculenta, agroindustrial residues,seed oil content.,resíduos agroindústrias,teor de óleo

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