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Viabilidade Econômica Do Uso De Reguladores Vegetais Em Cana-Planta

Author

Listed:
  • Miguel, Fernando Bergantini
  • Silva, Jose Antonio Alberto Da
  • Bárbaro, Ivana Marino
  • Costa, Augusto Guerreiro Fontoura
  • Esperancini, Maura Seiko Tsutsui

Abstract

O uso de reguladores vegetais na agricultura vem se tornando uma prática rotineira com o objetivo de explorar o potencial produtivo das culturas. Na cultura da cana-de-açúcar, o estudo da viabilidade da aplicação não depende apenas da avaliação da produtividade física, devendo ser agregada à análise econômica, visto que estas variáveis são essenciais à tomada de decisão de produtores e técnicos. Assim sendo, o objetivo do trabalho foi de determinar a viabilidade técnica e econômica da aplicação de um regulador vegetal na produtividade da cultura da cana-de-açúcar no município de Colina SP, no ano agrícola 2006/07. Num delineamento experimental em blocos ao acaso foram avaliados a campo os efeitos de doses e época de aplicação do Stimulate®, sendo que os dados de produção na dose de 0,5 L/ha foi utilizada para a análise da viabilidade econômica da pulverização via tolete ou foliar, comparado com plantio sem a tecnologia. O custo total para implantação de um canavial com a utilização do regulador vegetal nos toletes foi de R$ 2.764,46/ha, já na aplicação via foliar foi de R$ 2.805,17/ha, enquanto que no controle foi de R$ 2.724,09/ha. Apesar do custo de implantação com a utilização do regulador vegetal ser maior, foram proporcionados aumentos significativo de produtividade, com incremento de 19,5% quando aplicado nos toletes e 20% na aplicação foliar, em relação ao controle. Nas condições em que se realizou o trabalho, a aplicação de Stimulate® na dose de 0,5 L/ha resultou em índices de lucratividade superior ao controle, sendo que para a aplicação nos toletes o valor obtido (26,22%) foi superior em relação à aplicação foliar (25,48%). ---------------------------------------------The use of the plant regulators in the agriculture comes if turning a routine practice with the objective of exploring the productive potential of the cultures. In the culture of the sugar-cane, the study of the viability of the application doesn't just depend on the evaluation of the physical productivity, should be joined to the economic analysis, because these varied they are essential to the taking of decision of producers and technicians. Like this being, the objective of the work went of determining to technical and economic viability of the application of the plant regulator in the productivity of the culture of the sugar-cane in Colina SP, in the agricultural year 2006/07. In an design experimental in complete randomized blocks were evaluated to field the effects of doses and application time of the Stimulate®, and the yield data in the dose of 0,5 L/ha were used for the analysis of the economic viability of the spray through stalk or on leaf, compared with plantation without the technology. The total cost for implantação of a canavial with the use of the plant regulator in the toletes was of the R$ 2.764,46/ha, already in the spray on leaf was of the R$ 2.805,17/ha, while in the control it was of R$ 2.724,09/ha. in spite of the implantation cost with the use of the plant regulator to be larger, they were significant of productivity proportionate increases, with increment of 19,5% when applied in the stalk and 20% in the leaf application, in order to the control. In the conditions in that took place the work, the Stimulate® application in the dose of the 0,5 L/ha it resulted in profit margins better than the control, and for the stalk application the obtained value (26,22%) it was better than in relation to the leaf spray (25,48%).

Suggested Citation

  • Miguel, Fernando Bergantini & Silva, Jose Antonio Alberto Da & Bárbaro, Ivana Marino & Costa, Augusto Guerreiro Fontoura & Esperancini, Maura Seiko Tsutsui, 2008. "Viabilidade Econômica Do Uso De Reguladores Vegetais Em Cana-Planta," 46th Congress, July 20-23, 2008, Rio Branco, Acre, Brazil 109765, Sociedade Brasileira de Economia, Administracao e Sociologia Rural (SOBER).
  • Handle: RePEc:ags:sbrfsr:109765
    DOI: 10.22004/ag.econ.109765
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    Crop Production/Industries;

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