Proceedings
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| Filter results4 paper(s) found. |
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1. 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 |
2. 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... |
3. Evaluation of Novel Soybean Inputs to Enhance YieldThe U.S. Average soybean yield was 43.5 bushes/acre in 2010 (www.nass.usda.gov), with reports of much higher yields in some areas. With large yield differences among years and locations, as well as some high-profile marketing and publicity campaigns promoting 'high yield' management, producers are interested in any inputs or management practices that might improve yields. High soybean prices at present and interest in finding ways to increase yield have led to emergence of a number of new products,... |
4. Soil Health Indicators help with Fertilizer Application Decisions in South Dakota CornFertilizer inputs are an essential part of corn (Zea mays) cropping systems in the United States. In South Dakota, phosphorus and potassium yearly inputs are based on soil test nutrient levels and a yield goal while sulfur is based on soil texture and tillage practices. These 3 plant nutrients have a point called the “critical value” where addition of more of the nutrient as an inorganic fertilizer should no longer result in a yield increase. These fertilizer critical... B. Groebner, J. Clark |