Effect of boron and zinc fertilization on white oats grown in soil with average content of these nutrients

AUTOR(ES)

Castagnara, Deise Dalazen, Krutzmann, Alexandre, Zoz, Tiago, Steiner, Fábio, Conte e Castro, Ana Maria, Neres, Marcela Abbado, Oliveira, Paulo Sérgio Rabello de

FONTE

Revista Brasileira de Zootecnia

DATA DE PUBLICAÇÃO

2012-07

RESUMO

The objective of this study was to evaluate the effect of fertilization with zinc or boron on the growth and dry matter production, nutritional value and accumulation of nutrients in white oats. The study comprised two experiments conducted in glasshouses, the first consisting of the application of four doses of zinc (0, 0.2, 0.4 and 0.6 mg/dm³) in the form of zinc sulphate (20% Zn), and the second consisting of the application of four doses of boron (0, 0.2, 0.4 and 0.6 mg/dm³) in the form of Borax (11% B). The experimental design in each case was a randomized block design, with five replicates. Fertilization with zinc and boron increased the growth of white oats, but had no significant effect on the nutritional value of the forage. Higher levels of absorption and accumulation of nutrients in plant tissues were observed following the application of boron and zinc at rates of up to 0.60 mg/dm³ of soil.

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