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Paper Details

Floristic composition dynamics of a Pampa native pasture, submitted to fertilization

Mariana Rockenbach de Ávila, José Acélio Silveira da Fontoura Júnior, Luciane Rumpel Segabinazzi, Hugo Fabricio Fernandes Balbuena, Cay Ragnar Albuquerque Nilsen, Lucas Sales Vieira, Shirley Grazieli da Silva Nascimento

Journal Title:Revista Agraria Academica / Agrarian Academic Journal
Abstract


The objective of the present work was to evaluate the effects of different doses of NPK on the dynamics of floristic composition and quality in the native field in the Dom Pedrito, RS. The experimental area consisted of four levels of fertilization appliedto the haul, being: 0 (control), 150, 300 and 450 kg/ha, Floristic surveys, dead biomass contribution,vegetation cover, height and bromatological analyzes were carried out in the area. There was an increase in height as the doses of NPK were increased. In the bromatological analysis, the percentage of crude protein increased in the treatments with fertilization. The percentage of NDF had a reduction of the fibrous material of the pasture, presenting in the treatment0 (71.74%) the highest content and a reduction in the 450 (48.45%). Among the floristic, the fall period obtained more species as well as families.

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