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1. Soybean Response to Broadcast Application of Boron, Chloride, Manganese, and ZincMicronutrients are essential for plant growth but in low concentration. There has been increased pressure for farmers to apply micronutrients to soybean [Glycine max (Merr.) L.] due to a perception that deficiencies have increased. The objective of this study was to evaluate soybean yield and quality response to broadcast micronutrients. A study was conducted in Minnesota from 2013 to 2014. Treatments consisted of B (0 or 2 lb ac ï¤_1), Cl (0 or 20 lb acï¤_1), Mn (0 or 10 lb acï¤_1), and Zn... |
2. Evaluation of Polyhalite as a Source of Potassium and Sulfur for a Corn-Soybean Rotation in MinnesotaPolyhalite contains K, S, Mg, and Ca which could be used as a source of nutrients for crops in Minnesota. The objective of this research was to determine if polyhalite can utilized within for a two-year corn (Zea mays L.)-soybean [Glycine max (L.) Merr.] rotation. Field studies were established at two locations in Minnesota with the soil test K of <120 ppm (0-6 inch sample extracted with 1M NH4OAC) and where a response to S was expected. Treatments were polyhalite,... A. Sutradhar, D. Kaiser, C. Rosen |