produção de almeirão em função de níveis de fertirrigação nitrogenada e disposição de mangueiras gotejadoras nos canteiros chicory yield under levels of nitrogen fertirrigation and position of drip hoses on the ridge

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ID: 147329
2012
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Abstract
O objetivo deste trabalho foi avaliar os efeitos de diferentes níveis de fertirrigação nitrogenada na produtividade e nas características agronômicas de plantas de almeirão, irrigadas por gotejamento. O delineamento experimental foi o de blocos casualizados em esquema de parcelas subdivididas, sendo avaliadas nas parcelas duas formas de disposição das mangueiras gotejadoras (superficialmente sobre o solo do canteiro e subsuperficialmente) e nas subparcelas seis doses de nitrogênio: 0, 30, 60, 90, 120 e 150kg ha-1. A forma de disposição das mangueiras afetou a produção apenas da massa fresca, com o melhor resultado sendo obtido com a irrigação subsuperficial. A produção e as características agronômicas do almeirão foram influenciadas pelas doses de nitrogênio aplicadas na água de irrigação nas duas formas de disposição das mangueiras nos canteiros. A maior eficiência financeira da adubação foi obtida com a dose de 30kg ha-1 de N nas duas formas de disposição das mangueiras gotejadoras.
In this research the objective was to evaluate the effects of different levels nitrogen fertirrigation on yield and agronomic characteristics of chicory plants irrigated by drip.The experimental design was a randomized block in split plot with two ways of using drip hoses on the ridge (on the surface and subsurface of soil) and six levels of nitrogen, 0, 30, 60, 90, 120 and 150kg ha-1.The hose layout affected the yield fresh weight only with better results obtained with subsurface irrigation.The yield and agronomic characteristics of chicory were influenced by nitrogen levels applied in irrigation water in the two forms of hoses disposition in the beds. The best economic efficiency of fertilization was obtained with 30kg N ha-1 in both forms of drip hoses disposition.
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Authors ;Guilherme Augusto Biscaro;Janiele Araújo da Silva;Patricia dos Santos Zomerfeld;Anamari Viegas de Araujo Motomiya;Eder Pereira Gomes;Graziane Maria Giacon
Journal Trials
Year 2012
DOI
DOI not found
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782012001000015
Keywords
Urea drip irrigation cichorium intybusagricultureagriculture (general)

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