Vitazyme on Cotton – 2006, Collage Station, Texas
The replicated cotton trial in southern Texas, using four nitrogen levels and Z/Micro or no Z/Micro at each level, revealed that nitrogen uniformly increased the yield of lint, while Z/Micro also increased the lint yield (3%). While this yield increase was not significant at P=0.05, the yield indicator of “nodes above white flower” was significantly greater than the control with Z/Micro, showing the product’s potential to significantly improve yields in most situations. Nitrogen also significantly increased several leaf nutrient elements at three sampling dates, while Z/Micro also significantly increased leaf nitrogen, calcium, and zinc; there were positive interactions with nitrogen and Z/Micro for leaf nitrogen and leaf zinc. Nodes per plant, plant height, and nodes above white flower — a figure denoting yield potential — were all significantly increased with Z/Micro, and for all three of these growth parameters there were signifi- cant positive interactions.
Fiber analyses will be completed in November of 2006 and included with future editions of this report.