Vitazyme on Corn – 2013-Aurora, South Dakota
A small plot corn study in east central South Dakota revealed that Vitazyme and fish — Vitazyme applied at planting and at V8, and fish applied at planting, V8, and silking — significantly increased corn yield at all nitrogen fertilizer levels, by up to 8.7% at the 0% N level. The Vitazyme plus fish treatment at 100% N gave the highest yield of all ten treatments (164.2 bu/acre). Vitazyme increased plant population at the three highest nitrogen levels, and fish and fish plus Vitazyme also increased population at 100% N. Grain quality parameters were affected by nitrogen levels to some degree, the contents of protein, copper, iron, manganese, and sulfur increasing and the contents of potassium, zinc, phosphorus, and magnesium decreasing with increasing nitrogen fertilizer. This study reveals the usefulness of Vitazyme and fish, and especially the two combined, to increase corn yields under rainfed conditions in eastern South Dakota.