The objective of this study was to compare the effect of anticipated and traditional inoculation of Bradyrhizobium spp. in industrially treated soybean seeds. The experiment was conducted in a randomized complete block design, with 10 treatments and 4 replications. Different combinations of insecticides and fungicides of industrial treatment of seeds, traditional inoculation and long-term (LT) inoculation, as well as different pre-inoculation periods performed at 0, 5 and 10 days before soybean sowing were evaluated. A treatment containing only nitrogen mineral fertilization and also a control treatment were included. The characteristics number of nodules per plant, seeds Nitrogen content, number of pods per plant, mass of thousand seeds and grain yield were evaluated. Results indicated that LT pre-inoculation combined with fludioxonil and thiamedoxan allowed seed storage up to 10 days without affecting soybean yield components.
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