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Revista Ciência Agronômica

versão On-line ISSN 1806-6690


CRUSCIOL, Carlos Alexandre Costa et al. Foliar application of stabilized silicic acid on soybean, common bean, and peanut. Rev. Ciênc. Agron. [online]. 2013, vol.44, n.2, pp.404-410. ISSN 1806-6690.

The application of silicon (Si) is beneficial to plants. However, there are doubts about the efficiency of foliar application. The objective of this work was to evaluate the effect of foliar application of Si, in the form of stabilized silicic acid (a newly developed source), on the nutrition and productivity of crops of soybean, common bean and peanut. The experimental design for each crop was of randomized blocks with fourteen replications. The treatments were foliar application of Si at a dosage of 2L ha-1 of Silamol ® (0.8% soluble Si as a stabilised concentrate of silicic acid) and a control (without the application of Si). The Si was divided into four applications. Foliar application increased the Si content, providing an increase in the number of pods and a higher seed yield in all three crops. The increase was around 14; 15 and 9.6%, respectively, for the soybean, common bean and peanut.

Palavras-chave : Glycine max; Phaseolus vulgaris; Arachis hypogaea; Silicon; Mineral nutrition.

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