However, there was no statistically significant difference between the soybean yield in the seed treatment only and the seed treatment plus foliar treatment at this site. The combination of the Bio-Forge seed treatment and a Bio-Forge foliar application increased soybean yields by two bushels per acre over the untreated control at one site in 2012 (Table 1).
At all sites, the Bio-Forge seed treatment was applied at 2 ounces per 100 pounds of seed and the foliar Bio-Forge was applied at 12 ounces per acre at the V4 growth stage. The Bio-Forge seed treatment was also compared to the Bio-Forge seed treatment plus a Bio-Forge foliar application at two locations. Bio-Forge seed treatment and the combination of Bio-Forge seed treatment plus a Bio-Forge foliar application were compared to an untreated control and the cooperating producer’s in-furrow fertilizer at one location in 2012. The SMaRT project, a partnership between Michigan State University Extension and the Michigan Soybean Checkoff, evaluated the effect of Bio-Forge on soybean yields. Stoller USA recommends that both a seed treatment and a foliar application be applied to maximize potential benefits. It is also available as a seed treatment (Bio-Forge ST) promoted as improving nodulation and root growth in cool soil conditions. Bio-Forge can be applied in-furrow, as a sidedress application and as a foliar application. It is advertised as being able to reduce plant stress and promote higher yields. Bio-Forge® is a biological plant growth promoter marketed by Stoller USA.
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