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Custo de produção do milho de verão adubado com lodo de esgoto

  • Quintana, Nuria Rosa Gagliardi
  • Do Carmo, Maristela Sumoes
  • De Melo, Wanderley Jose
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    O objetivo deste trabalho foi calcular o custo de produção do milho de verão fertilizado com lodo de esgoto. O milho foi cultivado com preparo reduzido de solo em experimento instalado no ano agrícola 2001/2002 na Fazenda de Ensino e Pesquisa da Faculdade de Ciências Agrárias e Veterinárias/UNESP, Câmpus de Jaboticabal, em área de 1/16 de hectare e solo LVef. Aplicou-se 10 t ha-1 de lodo de esgoto obtido por tratamento com polímero. A matriz econômica foi montada de acordo com o modelo de custos de produção adotado pelo Instituto de Economia Agrícola da Secretaria de Agricultura e Abastecimento do Estado de São Paulo. Para os cálculos, utilizaram-se os preços vigentes no mercado no ano agrícola correspondente. Com o emprego do Excel foram obtidos os custos operacionais, efetivo (COE) e total (COT). O COE do milho de verão adubado com lodo de esgoto foi de R$ R$80,90 e o COT foi de R$96,76 para a área experimental. In this study, we evaluated the cost of corn production fertilized with sewage sludge. The corn was cultivated on a minimal tillage treatment in a field experiment. The trial was carried out during 2001/2002, set up on an oxisol area of 1/16 ha (Jaboticabal city, Lat: 21.15S - Long: 48.17W). The amount of 10 t.ha-1 of sewage sludge was applied up, which was obtained by polymer treatment. The economic matrix was prepared according to production costs model adopted by Instituto de Economia Agrícola of Secretaria de Agricultura e Abastecimento do Estado de São Paulo. The calculations were based on the market prices for the above-metioned years, and the values of the effective operatinal cost and the total operatinal cost were R$ 80.90 and R$ 96.76, respectively, for field experiment.

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    Paper provided by Sociedade Brasileira de Economia, Administracao e Sociologia Rural (SOBER) in its series 46th Congress, July 20-23, 2008, Rio Branco, Acre, Brasil with number 102478.

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    Date of creation: Jun 2008
    Handle: RePEc:ags:sbrfsr:102478
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