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Journal of Agronomy
Year: 2013  |  Volume: 12  |  Issue: 1  |  Page No.: 53 - 58

Effect of Different Doses of Swine Biofertilizer in the Development and Production of Cultivars of Brachiaria brizantha

Rafael Silva Ferreira, Carlos Antonio da Silva Junior, Paulo Eduardo Teodoro, Patricia Paiva da Silva, Gilcelene Medeiros Arima, Nanci Cappi and Francisco Eduardo Torres    

Abstract: Several studies have shown satisfactory results of swine manure with biofertilizer on the increased production of grasses such as maize and millet. However, there is little information on the response of grassland to this practice. Thus, the objective of this research was to evaluate four concentrations (0, 50, 100 and 150 m3 ha-1) of swine biofertilizer production of two cultivars of forage Brachiaria brizantha (Marandu and Piatã). The experiment was carried out at the State University of Mato Grosso do Sul, where the soil of the area was classified as dystrophic Ultisol. We used a completely randomized design with four replications in a split plots to measure the following morphogenetic characters: plant height leaf length, leaf width at 15, 30, 45 and 60 Days after Seeding (DAS) and quantity of green matter fresh and dry weight of shoots and roots only at 60 DAS. There was an increasing in parameters as a function of plant age, no differences among cultivars. The swine manure with biofertilizer promoted significant increases in these parameters. Doses of 150, 100 and 50 m3 ha-1 swine biofertilizer did not differ for the variables, fresh and dry matter of green shoots and roots which allows us to infer that the use of biofertilizer adequately supplied the nutritional requirements of this forage conditions this research.

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