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Ciência e Agrotecnologia

versão impressa ISSN 1413-7054

Resumo

PEREIRA JUNIOR, Péricles et al. Effects of doses of silicon in the yield and agronomic characteristics of soybean [Glycine max (L.) Merrill]. Ciênc. agrotec. [online]. 2010, vol.34, n.4, pp.908-913. ISSN 1413-7054.  https://doi.org/10.1590/S1413-70542010000400016.

Soybean [Glycine max (L.) Merrill] is the main agricultural product export of Brazil. Therefore, it is important studies that contribute to the mitigation of the effects that might cause a decrease in income and depreciation of the quality of this oleaginous plant, as the occurrence of pests and diseases, problems with soil fertility and climatic adversities, among others. It is known that plants differ in their ability to absorb silicon (Si) and are therefore classified differently. The influence of vegetation on Si in the development of soybean plants is still little known, and there are few studies described in the literature. Facing this, the objective of this work was to evaluate the response of soybean plants to variable dosage of silicon in the plantation, through agronomical characteristics of the plants in the field. The experimental design was a completely randomized block (CBD), with three replicates, eleven treatments with the following doses of silicon (0, 50, 100, 150, 200, 250, 300, 350, 400, 450 and 500 kg ha - 1) in the soybean planting, cultivating BRS MG 68 Vencedora. Doses of silicon used did not provide significant increases in seed yield, weight of a thousand seeds, and number of seeds per vegetable, but the number of vegetables per plant, plant height and time of insertion of the first vegetable increased significantly with higher doses. Application of silicon did not have phytotoxic effects on the soybean plant.

Palavras-chave : silicon; fertilization; soybean.

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